diff --git a/include/attribute.def b/include/attribute.def
new file mode 100644
index 0000000..12b9c96
--- /dev/null
+++ b/include/attribute.def
@@ -0,0 +1,98 @@
+
+// Copyright (c) 2020-2021, ARM Limited.
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//         http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+/*
+  Syntax:
+    DEF_ATTRIBUTE(ATTRIBUTE_NAME, NUM_ARGS_IN_ATTRIBUTES, ARG0_TYPE, ARG0_SCALAR_OR_VECTOR, ARGS0_NAME, ...)
+
+  Description:
+    ATTRIBUTE_NAME: corresponding attribute name, must match corresponding "table XXXAttribute" in tosa.fbs
+    NUM_ARGS_IN_ATTRIBUTES: number of arguments in this attribute
+    ARG0_TYPE: data type of arg0 in attribute
+    ARG0_SCALAR_OR_VECTOR: is arg0 a scalar(S) or a vector(V)
+    ARG0_NAME: name of arg0
+    ...: variadic variables for more arguments, depending on NUM_ARGS_IN_ATTRIBUTES
+*/
+
+DEF_ATTRIBUTE(Pool2d, 3,
+              int32_t, V, padding,
+              int32_t, V, kernel,
+              int32_t, V, stride)
+
+DEF_ATTRIBUTE(Conv2d, 3,
+              int32_t, V, padding,
+              int32_t, V, stride,
+              int32_t, V, dilation)
+
+DEF_ATTRIBUTE(TransposeConv2d, 4,
+              int32_t, V, outpad,
+              int32_t, V, stride,
+              int32_t, V, dilation,
+              int32_t, V, output_shape)
+
+DEF_ATTRIBUTE(ReluN, 2,
+              int32_t, S, max_int,
+              float, S, max_fp)
+
+DEF_ATTRIBUTE(Axis, 1,
+              int32_t, S, axis)
+
+DEF_ATTRIBUTE(Reshape, 1,
+              int32_t, V, shape)
+
+DEF_ATTRIBUTE(Slice, 2,
+              int32_t, V, begin,
+              int32_t, V, size)
+
+DEF_ATTRIBUTE(Tile, 1,
+              int32_t, V, multiples)
+
+DEF_ATTRIBUTE(Resize, 7,
+              int32_t, V, output_size,
+              int32_t, V, stride,
+              int32_t, V, offset,
+              int32_t, S, shift,
+              float, V, stride_fp,
+              float, V, offset_fp,
+              ResizeMode, S, mode)
+
+DEF_ATTRIBUTE(Clamp, 4,
+              int32_t, S, min_int,
+              int32_t, S, max_int,
+              float, S, min_fp,
+              float, S, max_fp)
+
+DEF_ATTRIBUTE(Rescale, 7,
+              int32_t, S, input_zp,
+              int32_t, S, output_zp,
+              int32_t, V, multiplier,
+              int32_t, V, shift,
+              bool, S, scale32,
+              bool, S, double_round,
+              bool, S, per_channel)
+
+DEF_ATTRIBUTE(Mul, 1,
+              int32_t, S, shift)
+
+DEF_ATTRIBUTE(ArithmeticRightShift, 1,
+              bool, S, round)
+
+DEF_ATTRIBUTE(CondIf, 2,
+              string, S, then_branch,
+              string, S, else_branch)
+
+DEF_ATTRIBUTE(WhileLoop, 2,
+              string, S, cond_branch,
+              string, S, body_branch)
diff --git a/include/attribute.h b/include/attribute.h
new file mode 100644
index 0000000..ff354cb
--- /dev/null
+++ b/include/attribute.h
@@ -0,0 +1,181 @@
+
+// Copyright (c) 2020-2021, ARM Limited.
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//         http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+#ifndef _TOSA_SERIALIZATION_ATTRIBUTE_H
+#define _TOSA_SERIALIZATION_ATTRIBUTE_H
+#include "flatbuffers/idl.h"
+#include "flatbuffers/util.h"
+#include "tosa_generated.h"
+
+using std::string;
+
+namespace tosa
+{
+
+class TosaAttributeBase
+{
+public:
+    virtual ~TosaAttributeBase()
+    {}
+};
+
+class TosaNoneAttribute : public TosaAttributeBase
+{
+public:
+    TosaNoneAttribute()
+    {}
+    TosaNoneAttribute(TosaNoneAttribute* p)
+    {}
+};
+
+#define DEF_ARGS_VER0_S_STR(V) _##V = p->V()->str();
+#define DEF_ARGS_VER0_S_DEFAULT(V) _##V = p->V();
+
+#define DEF_ARGS_VER0_S_int32_t(V) DEF_ARGS_VER0_S_DEFAULT(V)
+#define DEF_ARGS_VER0_S_float(V) DEF_ARGS_VER0_S_DEFAULT(V)
+#define DEF_ARGS_VER0_S_bool(V) DEF_ARGS_VER0_S_DEFAULT(V)
+#define DEF_ARGS_VER0_S_ResizeMode(V) DEF_ARGS_VER0_S_DEFAULT(V)
+#define DEF_ARGS_VER0_S_string(V) DEF_ARGS_VER0_S_STR(V)
+
+#define DEF_ARGS_VER0_S(T, V) DEF_ARGS_VER0_S_##T(V)
+#define DEF_ARGS_VER0_V(T, V) _##V = std::vector<T>(p->V()->begin(), p->V()->end());
+
+#define DEF_ARGS_VER1_S(T, V) const T& V
+#define DEF_ARGS_VER1_V(T, V) const std::vector<T>& V
+#define DEF_ARGS_VER2_S(T, V) _##V = V;
+#define DEF_ARGS_VER2_V(T, V) _##V = V;
+#define DEF_ARGS_VER3_S(T, V)                                                                                          \
+    T V() const                                                                                                        \
+    {                                                                                                                  \
+        return _##V;                                                                                                   \
+    }
+#define DEF_ARGS_VER3_V(T, V)                                                                                          \
+    std::vector<T> V() const                                                                                           \
+    {                                                                                                                  \
+        return _##V;                                                                                                   \
+    }
+#define DEF_ARGS_VER4_S(T, V) T _##V;
+#define DEF_ARGS_VER4_V(T, V) std::vector<T> _##V;
+
+// another level of preprocessor indirection to handle ", " as function's input argument
+#define DEF_ARGS_VER1_TRUE(T, F, V) DEF_ARGS_VER1_##F(T, V)
+#define DEF_ARGS_VER1_FALSE(T, F, V) , DEF_ARGS_VER1_##F(T, V)
+
+#define DEF_ARGS_VER0(FIRST, T, F, V) DEF_ARGS_VER0_##F(T, V)
+#define DEF_ARGS_VER1(FIRST, T, F, V) DEF_ARGS_VER1_##FIRST(T, F, V)
+#define DEF_ARGS_VER2(FIRST, T, F, V) DEF_ARGS_VER2_##F(T, V)
+#define DEF_ARGS_VER3(FIRST, T, F, V) DEF_ARGS_VER3_##F(T, V)
+#define DEF_ARGS_VER4(FIRST, T, F, V) DEF_ARGS_VER4_##F(T, V)
+
+#define DEF_ARGS_0(VER, ...)
+#define DEF_ARGS_1(VER, T0, F0, V0) DEF_ARGS_##VER(TRUE, T0, F0, V0)
+#define DEF_ARGS_2(VER, T0, F0, V0, T1, F1, V1) DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1)
+#define DEF_ARGS_3(VER, T0, F0, V0, T1, F1, V1, T2, F2, V2)                                                            \
+    DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1) DEF_ARGS_##VER(FALSE, T2, F2, V2)
+#define DEF_ARGS_4(VER, T0, F0, V0, T1, F1, V1, T2, F2, V2, T3, F3, V3)                                                \
+    DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1) DEF_ARGS_##VER(FALSE, T2, F2, V2)               \
+        DEF_ARGS_##VER(FALSE, T3, F3, V3)
+#define DEF_ARGS_5(VER, T0, F0, V0, T1, F1, V1, T2, F2, V2, T3, F3, V3, T4, F4, V4)                                    \
+    DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1) DEF_ARGS_##VER(FALSE, T2, F2, V2)               \
+        DEF_ARGS_##VER(FALSE, T3, F3, V3) DEF_ARGS_##VER(FALSE, T4, F4, V4)
+
+#define DEF_ARGS_6(VER, T0, F0, V0, T1, F1, V1, T2, F2, V2, T3, F3, V3, T4, F4, V4, T5, F5, V5)                        \
+    DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1) DEF_ARGS_##VER(FALSE, T2, F2, V2)               \
+        DEF_ARGS_##VER(FALSE, T3, F3, V3) DEF_ARGS_##VER(FALSE, T4, F4, V4) DEF_ARGS_##VER(FALSE, T5, F5, V5)
+
+#define DEF_ARGS_7(VER, T0, F0, V0, T1, F1, V1, T2, F2, V2, T3, F3, V3, T4, F4, V4, T5, F5, V5, T6, F6, V6)            \
+    DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1) DEF_ARGS_##VER(FALSE, T2, F2, V2)               \
+        DEF_ARGS_##VER(FALSE, T3, F3, V3) DEF_ARGS_##VER(FALSE, T4, F4, V4) DEF_ARGS_##VER(FALSE, T5, F5, V5)          \
+            DEF_ARGS_##VER(FALSE, T6, F6, V6)
+
+#define DEF_VER0_VAR_DECL_PTR(NAME) const NAME* p = static_cast<const NAME*>(options);
+#define DEF_VER0_VAR_0(NAME)
+#define DEF_VER0_VAR_1(NAME) DEF_VER0_VAR_DECL_PTR(NAME)
+#define DEF_VER0_VAR_2(NAME) DEF_VER0_VAR_DECL_PTR(NAME)
+#define DEF_VER0_VAR_3(NAME) DEF_VER0_VAR_DECL_PTR(NAME)
+#define DEF_VER0_VAR_4(NAME) DEF_VER0_VAR_DECL_PTR(NAME)
+#define DEF_VER0_VAR_5(NAME) DEF_VER0_VAR_DECL_PTR(NAME)
+#define DEF_VER0_VAR_6(NAME) DEF_VER0_VAR_DECL_PTR(NAME)
+#define DEF_VER0_VAR_7(NAME) DEF_VER0_VAR_DECL_PTR(NAME)
+
+#define DEF_ATTRIBUTE(NAME, NUM_ARGS, ...)                                                                             \
+    class Tosa##NAME##Attribute : public TosaAttributeBase                                                             \
+    {                                                                                                                  \
+    public:                                                                                                            \
+        Tosa##NAME##Attribute(const TosaAttributeBase* options)                                                        \
+        {                                                                                                              \
+            const Tosa##NAME##Attribute* p = reinterpret_cast<const Tosa##NAME##Attribute*>(options);                  \
+            *this                          = *p;                                                                       \
+        }                                                                                                              \
+        Tosa##NAME##Attribute(const Tosa##NAME##Attribute* p)                                                          \
+        {                                                                                                              \
+            *this = *p;                                                                                                \
+        }                                                                                                              \
+        Tosa##NAME##Attribute(const void* options){ DEF_VER0_VAR_##NUM_ARGS(NAME##Attribute)                           \
+                                                        DEF_ARGS_##NUM_ARGS(VER0, __VA_ARGS__) } Tosa##NAME            \
+            ##Attribute(DEF_ARGS_##NUM_ARGS(VER1, __VA_ARGS__))                                                        \
+        {                                                                                                              \
+            DEF_ARGS_##NUM_ARGS(VER2, __VA_ARGS__)                                                                     \
+        }                                                                                                              \
+        virtual ~Tosa##NAME##Attribute()                                                                               \
+        {}                                                                                                             \
+        DEF_ARGS_##NUM_ARGS(VER3, __VA_ARGS__) private : DEF_ARGS_##NUM_ARGS(VER4, __VA_ARGS__)                        \
+    };
+
+#include "attribute.def"
+#undef DEF_ATTRIBUTE
+#undef DEF_ARGS_0
+#undef DEF_ARGS_1
+#undef DEF_ARGS_2
+#undef DEF_ARGS_3
+#undef DEF_ARGS_4
+#undef DEF_ARGS_5
+#undef DEF_ARGS_6
+#undef DEF_ARGS_7
+#undef DEF_ARGS_VER0
+#undef DEF_ARGS_VER1
+#undef DEF_ARGS_VER2
+#undef DEF_ARGS_VER3
+#undef DEF_ARGS_VER4
+#undef DEF_ARGS_VER0_S_int32_t
+#undef DEF_ARGS_VER0_S_float
+#undef DEF_ARGS_VER0_S_bool
+#undef DEF_ARGS_VER0_S_ResizeMode
+#undef DEF_ARGS_VER0_S_string
+#undef DEF_ARGS_VER0_S_STR
+#undef DEF_ARGS_VER0_S_DEFAULT
+#undef DEF_ARGS_VER1_TRUE
+#undef DEF_ARGS_VER1_FALSE
+#undef DEF_ARGS_VER0_S
+#undef DEF_ARGS_VER0_V
+#undef DEF_ARGS_VER1_S
+#undef DEF_ARGS_VER1_V
+#undef DEF_ARGS_VER2_S
+#undef DEF_ARGS_VER2_V
+#undef DEF_ARGS_VER3_S
+#undef DEF_ARGS_VER3_V
+#undef DEF_ARGS_VER4_S
+#undef DEF_ARGS_VER4_V
+#undef DEF_VER0_VAR_0
+#undef DEF_VER0_VAR_1
+#undef DEF_VER0_VAR_2
+#undef DEF_VER0_VAR_3
+#undef DEF_VER0_VAR_4
+#undef DEF_VER0_VAR_5
+#undef DEF_VER0_VAR_DECL_PTR
+
+}    // namespace tosa
+
+#endif    // _TOSA_SERIALIZATION_ATTRIBUTE_H
diff --git a/include/numpy_utils.h b/include/numpy_utils.h
new file mode 100644
index 0000000..c64bc17
--- /dev/null
+++ b/include/numpy_utils.h
@@ -0,0 +1,81 @@
+
+// Copyright (c) 2020-2021, ARM Limited.
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//         http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+#ifndef _TOSA_NUMPY_UTILS_H
+#define _TOSA_NUMPY_UTILS_H
+
+#include <cassert>
+#include <cctype>
+#include <cstdint>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <vector>
+
+class NumpyUtilities
+{
+public:
+    enum NPError
+    {
+        NO_ERROR = 0,
+        FILE_NOT_FOUND,
+        FILE_IO_ERROR,
+        FILE_TYPE_MISMATCH,
+        HEADER_PARSE_ERROR,
+        BUFFER_SIZE_MISMATCH,
+    };
+
+    static NPError readFromNpyFile(const char* filename, const uint32_t elems, float* databuf);
+
+    static NPError readFromNpyFile(const char* filename, const uint32_t elems, int32_t* databuf);
+
+    static NPError readFromNpyFile(const char* filename, const uint32_t elems, int64_t* databuf);
+
+    static NPError readFromNpyFile(const char* filename, const uint32_t elems, bool* databuf);
+
+    static NPError writeToNpyFile(const char* filename, const std::vector<int32_t>& shape, const bool* databuf);
+
+    static NPError writeToNpyFile(const char* filename, const uint32_t elems, const bool* databuf);
+
+    static NPError writeToNpyFile(const char* filename, const std::vector<int32_t>& shape, const int32_t* databuf);
+
+    static NPError writeToNpyFile(const char* filename, const uint32_t elems, const int32_t* databuf);
+
+    static NPError writeToNpyFile(const char* filename, const std::vector<int32_t>& shape, const int64_t* databuf);
+
+    static NPError writeToNpyFile(const char* filename, const uint32_t elems, const int64_t* databuf);
+
+    static NPError writeToNpyFile(const char* filename, const std::vector<int32_t>& shape, const float* databuf);
+
+    static NPError writeToNpyFile(const char* filename, const uint32_t elems, const float* databuf);
+
+private:
+    static NPError writeToNpyFileCommon(const char* filename,
+                                        const char* dtype_str,
+                                        const size_t elementsize,
+                                        const std::vector<int32_t>& shape,
+                                        const void* databuf,
+                                        bool bool_translate);
+    static NPError readFromNpyFileCommon(const char* filename,
+                                         const char* dtype_str,
+                                         const size_t elementsize,
+                                         const uint32_t elems,
+                                         void* databuf,
+                                         bool bool_translate);
+    static NPError checkNpyHeader(FILE* infile, const uint32_t elems, const char* dtype_str);
+    static NPError writeNpyHeader(FILE* outfile, const std::vector<int32_t>& shape, const char* dtype_str);
+};
+
+#endif    // _TOSA_NUMPY_UTILS_H
diff --git a/include/operator.def b/include/operator.def
new file mode 100644
index 0000000..80ae547
--- /dev/null
+++ b/include/operator.def
@@ -0,0 +1,124 @@
+
+// Copyright (c) 2020-2021, ARM Limited.
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//         http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+/*
+  Syntax:
+    DEF_OPERATOR(MLIR_NAME, SCHEMA_NAME, REF_IMPL_NAME, OPTIONS, QUANT_INFO)
+
+  Description:
+    MLIR_NAME: the symbolic string of this op, must match tosa_ops.td
+    SCHEMA_NAME: corresponding operator name, must match "enum Op" in serialization/tosa.fbs
+    REF_IMPL_NAME: name used internally in tosa reference implementation
+    OPTIONS: compile time constant options of this op, corresponding to operator_option.def
+    QUANT_INFO: quantization infomation of this op, corresponding to quant_info.def
+*/
+
+
+/* tensor operators */
+DEF_OPERATOR(argmax,                  ARGMAX,                   ArgMax,                 Axis,             None)
+DEF_OPERATOR(avg_pool2d,              AVG_POOL2D,               AvgPool2d,              Pool2d,           Unary)
+DEF_OPERATOR(conv2d,                  CONV2D,                   Conv2d,                 Conv2d,           Conv)
+DEF_OPERATOR(conv3d,                  CONV3D,                   Conv3d,                 None,             None)
+DEF_OPERATOR(depthwise_conv2d,        DEPTHWISE_CONV2D,         DepthwiseConv2d,        Conv2d,           Conv)
+DEF_OPERATOR(fully_connected,         FULLY_CONNECTED,          FullyConnected,         None,             Conv)
+DEF_OPERATOR(matmul,                  MATMUL,                   MatMul,                 None,             MatMul)
+DEF_OPERATOR(max_pool2d,              MAX_POOL2D,               MaxPool2d,              Pool2d,           None)
+DEF_OPERATOR(transpose_conv2d,        TRANSPOSE_CONV2D,         TransposeConv2d,        TransposeConv2d,  Conv)
+
+/* activation */
+DEF_OPERATOR(clamp,                   CLAMP,                    Clamp,                  Clamp,            None)
+DEF_OPERATOR(reluN,                   RELUN,                    ReluN,                  ReluN,            None)
+DEF_OPERATOR(sigmoid,                 SIGMOID,                  Sigmoid,                None,             None)
+DEF_OPERATOR(tanh,                    TANH,                     Tanh,                   None,             None)
+
+/* elementwise - binary */
+DEF_OPERATOR(add,                     ADD,                      Add,                    None,             None)
+DEF_OPERATOR(arithmetic_right_shift,  ARITHMETIC_RIGHT_SHIFT,   ArithmeticRightShift,   ArithmeticRightShift, None)
+DEF_OPERATOR(bitwise_and,             BITWISE_AND,              BitwiseAnd,             None,             None)
+DEF_OPERATOR(bitwise_or,              BITWISE_OR,               BitwiseOr,              None,             None)
+DEF_OPERATOR(bitwise_xor,             BITWISE_XOR,              BitwiseXor,             None,             None)
+DEF_OPERATOR(logical_and,             LOGICAL_AND,              LogicalAnd,             None,             None)
+DEF_OPERATOR(logical_left_shift,      LOGICAL_LEFT_SHIFT,       LogicalLeftShift,       None,             None)
+DEF_OPERATOR(logical_right_shift,     LOGICAL_RIGHT_SHIFT,      LogicalRightShift,      None,             None)
+DEF_OPERATOR(logical_or,              LOGICAL_OR,               LogicalOr,              None,             None)
+DEF_OPERATOR(logical_xor,             LOGICAL_XOR,              LogicalXor,             None,             None)
+DEF_OPERATOR(maximum,                 MAXIMUM,                  Maximum,                None,             None)
+DEF_OPERATOR(minimum,                 MINIMUM,                  Minimum,                None,             None)
+DEF_OPERATOR(mul,                     MUL,                      Mul,                    Mul,              None)
+DEF_OPERATOR(pow,                     POW,                      Pow,                    None,             None)
+DEF_OPERATOR(sub,                     SUB,                      Sub,                    None,             None)
+DEF_OPERATOR(table,                   TABLE,                    Table,                  None,             None)
+
+/* elementwise - unary */
+DEF_OPERATOR(abs,                     ABS,                      Abs,                    None,             None)
+DEF_OPERATOR(bitwise_not,             BITWISE_NOT,              BitwiseNot,             None,             None)
+DEF_OPERATOR(ceil,                    CEIL,                     Ceil,                   None,             None)
+DEF_OPERATOR(clz,                     CLZ,                      Clz,                    None,             None)
+DEF_OPERATOR(exp,                     EXP,                      Exp,                    None,             None)
+DEF_OPERATOR(floor,                   FLOOR,                    Floor,                  None,             None)
+DEF_OPERATOR(log,                     LOG,                      Log,                    None,             None)
+DEF_OPERATOR(logical_not,             LOGICAL_NOT,              LogicalNot,             None,             None)
+DEF_OPERATOR(negate,                  NEGATE,                   Negate,                 None,             Unary)
+DEF_OPERATOR(reciprocal,              RECIPROCAL,               Reciprocal,             None,             None)
+DEF_OPERATOR(rsqrt,                   RSQRT,                    Rsqrt,                  None,             None)
+
+/* elementwise - ternary */
+DEF_OPERATOR(select,                  SELECT,                   Select,                 None,             None)
+
+/* logical */
+DEF_OPERATOR(equal,                   EQUAL,                    Equal,                  None,             None)
+DEF_OPERATOR(greater,                 GREATER,                  Greater,                None,             None)
+DEF_OPERATOR(greater_equal,           GREATER_EQUAL,            GreaterEqual,           None,             None)
+
+/* reduction */
+DEF_OPERATOR(reduce_any,              REDUCE_ANY,               ReduceAny,              Reduce,           None)
+DEF_OPERATOR(reduce_all,              REDUCE_ALL,               ReduceAll,              Reduce,           None)
+DEF_OPERATOR(reduce_max,              REDUCE_MAX,               ReduceMax,              Reduce,           None)
+DEF_OPERATOR(reduce_min,              REDUCE_MIN,               ReduceMin,              Reduce,           None)
+DEF_OPERATOR(reduce_prod,             REDUCE_PRODUCT,           ReduceProduct,          Reduce,           None)
+DEF_OPERATOR(reduce_sum,              REDUCE_SUM,               ReduceSum,              Reduce,           None)
+
+/* memory operation */
+DEF_OPERATOR(concat,                  CONCAT,                   Concat,                 Axis,             None)
+DEF_OPERATOR(pad,                     PAD,                      Pad,                    None,             Pad)
+DEF_OPERATOR(reshape,                 RESHAPE,                  Reshape,                Reshape,          None)
+DEF_OPERATOR(reverse,                 REVERSE,                  Reverse,                Reverse,          None)
+DEF_OPERATOR(slice,                   SLICE,                    Slice,                  Slice,            None)
+DEF_OPERATOR(tile,                    TILE,                     Tile,                   Tile,             None)
+DEF_OPERATOR(transpose,               TRANSPOSE,                Transpose,              None,             None)
+
+/* gather/scatter */
+DEF_OPERATOR(gather,                  GATHER,                   Gather,                 None,             None)
+DEF_OPERATOR(scatter,                 SCATTER,                  Scatter,                None,             None)
+
+/* image */
+DEF_OPERATOR(resize,                  RESIZE,                   Resize,                 Resize,           None)
+
+/* quantization */
+DEF_OPERATOR(cast,                    CAST,                     Cast,                   None,             None)
+DEF_OPERATOR(rescale,                 RESCALE,                  Rescale,                Rescale,          None)
+
+/* data nodes */
+DEF_OPERATOR(const,                   CONST,                    Const,                  None,             None)
+DEF_OPERATOR(placeholder,             PLACEHOLDER,              Placeholder,            None,             None)
+DEF_OPERATOR(identity,                IDENTITY,                 Identity,               None,             None)
+DEF_OPERATOR(identityn,               IDENTITYN,                IdentityN,              None,             None)
+
+/* custom operations */
+DEF_OPERATOR(custom,                  CUSTOM,                   Custom,                 None,             None)
+
+/* control flow operators */
+DEF_OPERATOR(cond_if,                 COND_IF,                  CondIf,                 CondIf,           None)
+DEF_OPERATOR(while_loop,              WHILE_LOOP,               WhileLoop,              WhileLoop,        None)
diff --git a/include/quant_info.def b/include/quant_info.def
new file mode 100644
index 0000000..888c183
--- /dev/null
+++ b/include/quant_info.def
@@ -0,0 +1,43 @@
+
+// Copyright (c) 2020-2021, ARM Limited.
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//         http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+/*
+  Syntax:
+    DEF_QUANTIZATION_INFO(NAME, NUM_ARGS_IN_OPTIONS, ARG0_TYPE, ARG0_SCALAR_OR_VECTOR, ARGS0_NAME, ...)
+
+  Description:
+    NAME: corresponding quantization info name, must match corresponding "table XXXQuantInfo" in tosa.fbs
+    NUM_ARGS_IN_QINFO: number of arguments in this quantization info
+    ARG0_TYPE: data type of arg0
+    ARG0_SCALAR_OR_VECTOR: is arg0 a scalar (S) or a vector (V)
+    ARG0_NAME: name of arg0
+    ...: variadic variables for more arguments, depending on NUM_ARGS_IN_QINFO
+*/
+
+
+DEF_QUANTIZATION_INFO(Unary, 2,
+                      int32_t, S, input_zp,
+                      int32_t, S, output_zp)
+
+DEF_QUANTIZATION_INFO(Conv, 2,
+                      int32_t, S, input_zp,
+                      int32_t, S, weight_zp)
+
+DEF_QUANTIZATION_INFO(MatMul, 2,
+                      int32_t, S, a_zp,
+                      int32_t, S, b_zp)
+
+DEF_QUANTIZATION_INFO(Pad, 1,
+                      int32_t, S, input_zp)
diff --git a/include/quant_info.h b/include/quant_info.h
new file mode 100644
index 0000000..d83063d
--- /dev/null
+++ b/include/quant_info.h
@@ -0,0 +1,164 @@
+
+// Copyright (c) 2020-2021, ARM Limited.
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//         http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+#ifndef _TOSA_SERIALIZATION_QUANT_INFO_H
+#define _TOSA_SERIALIZATION_QUANT_INFO_H
+#include "flatbuffers/idl.h"
+#include "flatbuffers/util.h"
+#include "tosa_generated.h"
+
+namespace tosa
+{
+
+class TosaQuantInfoBase
+{
+public:
+    virtual ~TosaQuantInfoBase()
+    {}
+};
+
+class TosaNoneQuantInfo : public TosaQuantInfoBase
+{
+public:
+    TosaNoneQuantInfo()
+    {}
+    TosaNoneQuantInfo(TosaNoneQuantInfo* p)
+    {}
+};
+
+#define DEF_ARGS_VER0_S(T, V) _##V = p->V();
+#define DEF_ARGS_VER0_V(T, V) _##V = std::vector<T>(p->V()->begin(), p->V()->end());
+#define DEF_ARGS_VER1_S(T, V) const T& V
+#define DEF_ARGS_VER1_V(T, V) const std::vector<T>& V
+#define DEF_ARGS_VER2_S(T, V) _##V = V;
+#define DEF_ARGS_VER2_V(T, V) _##V = V;
+#define DEF_ARGS_VER3_S(T, V)                                                                                          \
+    T V() const                                                                                                        \
+    {                                                                                                                  \
+        return _##V;                                                                                                   \
+    }
+#define DEF_ARGS_VER3_V(T, V)                                                                                          \
+    std::vector<T> V() const                                                                                           \
+    {                                                                                                                  \
+        return _##V;                                                                                                   \
+    }
+#define DEF_ARGS_VER4_S(T, V) T _##V;
+#define DEF_ARGS_VER4_V(T, V) std::vector<T> _##V;
+
+// another level of preprocessor indirection to handle ", " as function's input argument
+#define DEF_ARGS_VER1_TRUE(T, F, V) DEF_ARGS_VER1_##F(T, V)
+#define DEF_ARGS_VER1_FALSE(T, F, V) , DEF_ARGS_VER1_##F(T, V)
+
+#define DEF_ARGS_VER0(FIRST, T, F, V) DEF_ARGS_VER0_##F(T, V)
+#define DEF_ARGS_VER1(FIRST, T, F, V) DEF_ARGS_VER1_##FIRST(T, F, V)
+#define DEF_ARGS_VER2(FIRST, T, F, V) DEF_ARGS_VER2_##F(T, V)
+#define DEF_ARGS_VER3(FIRST, T, F, V) DEF_ARGS_VER3_##F(T, V)
+#define DEF_ARGS_VER4(FIRST, T, F, V) DEF_ARGS_VER4_##F(T, V)
+
+#define DEF_ARGS_1(VER, T0, F0, V0) DEF_ARGS_##VER(TRUE, T0, F0, V0)
+#define DEF_ARGS_2(VER, T0, F0, V0, T1, F1, V1) DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1)
+#define DEF_ARGS_3(VER, T0, F0, V0, T1, F1, V1, T2, F2, V2)                                                            \
+    DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1) DEF_ARGS_##VER(FALSE, T2, F2, V2)
+#define DEF_ARGS_4(VER, T0, F0, V0, T1, F1, V1, T2, F2, V2, T3, F3, V3)                                                \
+    DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1) DEF_ARGS_##VER(FALSE, T2, F2, V2)               \
+        DEF_ARGS_##VER(FALSE, T3, F3, V3)
+#define DEF_ARGS_5(VER, T0, F0, V0, T1, F1, V1, T2, F2, V2, T3, F3, V3, T4, F4, V4)                                    \
+    DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1) DEF_ARGS_##VER(FALSE, T2, F2, V2)               \
+        DEF_ARGS_##VER(FALSE, T3, F3, V3) DEF_ARGS_##VER(FALSE, T4, F4, V4)
+#define DEF_ARGS_6(VER, T0, F0, V0, T1, F1, V1, T2, F2, V2, T3, F3, V3, T4, F4, V4, T5, F5, V5)                        \
+    DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1) DEF_ARGS_##VER(FALSE, T2, F2, V2)               \
+        DEF_ARGS_##VER(FALSE, T3, F3, V3) DEF_ARGS_##VER(FALSE, T4, F4, V4) DEF_ARGS_##VER(FALSE, T5, F5, V5)
+#define DEF_ARGS_7(VER, T0, F0, V0, T1, F1, V1, T2, F2, V2, T3, F3, V3, T4, F4, V4, T5, F5, V5, T6, F6, V6)            \
+    DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1) DEF_ARGS_##VER(FALSE, T2, F2, V2)               \
+        DEF_ARGS_##VER(FALSE, T3, F3, V3) DEF_ARGS_##VER(FALSE, T4, F4, V4) DEF_ARGS_##VER(FALSE, T5, F5, V5)          \
+            DEF_ARGS_##VER(FALSE, T6, F6, V6)
+#define DEF_ARGS_8(VER, T0, F0, V0, T1, F1, V1, T2, F2, V2, T3, F3, V3, T4, F4, V4, T5, F5, V5, T6, F6, V6, T7, F7,    \
+                   V7)                                                                                                 \
+    DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1) DEF_ARGS_##VER(FALSE, T2, F2, V2)               \
+        DEF_ARGS_##VER(FALSE, T3, F3, V3) DEF_ARGS_##VER(FALSE, T4, F4, V4) DEF_ARGS_##VER(FALSE, T5, F5, V5)          \
+            DEF_ARGS_##VER(FALSE, T6, F6, V6) DEF_ARGS_##VER(FALSE, T7, F7, V7)
+#define DEF_ARGS_9(VER, T0, F0, V0, T1, F1, V1, T2, F2, V2, T3, F3, V3, T4, F4, V4, T5, F5, V5, T6, F6, V6, T7, F7,    \
+                   V7, T8, F8, V8)                                                                                     \
+    DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1) DEF_ARGS_##VER(FALSE, T2, F2, V2)               \
+        DEF_ARGS_##VER(FALSE, T3, F3, V3) DEF_ARGS_##VER(FALSE, T4, F4, V4) DEF_ARGS_##VER(FALSE, T5, F5, V5)          \
+            DEF_ARGS_##VER(FALSE, T6, F6, V6) DEF_ARGS_##VER(FALSE, T7, F7, V7) DEF_ARGS_##VER(FALSE, T8, F8, V8)
+#define DEF_ARGS_10(VER, T0, F0, V0, T1, F1, V1, T2, F2, V2, T3, F3, V3, T4, F4, V4, T5, F5, V5, T6, F6, V6, T7, F7,   \
+                    V7, T8, F8, V8, T9, F9, V9)                                                                        \
+    DEF_ARGS_##VER(TRUE, T0, F0, V0) DEF_ARGS_##VER(FALSE, T1, F1, V1) DEF_ARGS_##VER(FALSE, T2, F2, V2)               \
+        DEF_ARGS_##VER(FALSE, T3, F3, V3) DEF_ARGS_##VER(FALSE, T4, F4, V4) DEF_ARGS_##VER(FALSE, T5, F5, V5)          \
+            DEF_ARGS_##VER(FALSE, T6, F6, V6) DEF_ARGS_##VER(FALSE, T7, F7, V7) DEF_ARGS_##VER(FALSE, T8, F8, V8)      \
+                DEF_ARGS_##VER(FALSE, T9, F9, V9)
+
+#define DEF_QUANTIZATION_INFO(NAME, NUM_ARGS, ...)                                                                     \
+    class Tosa##NAME##QuantInfo : public TosaQuantInfoBase                                                             \
+    {                                                                                                                  \
+    public:                                                                                                            \
+        Tosa##NAME##QuantInfo(const TosaQuantInfoBase* qinfo)                                                          \
+        {                                                                                                              \
+            const Tosa##NAME##QuantInfo* p = dynamic_cast<const Tosa##NAME##QuantInfo*>(qinfo);                        \
+            assert(p);                                                                                                 \
+            *this = *p;                                                                                                \
+        }                                                                                                              \
+        Tosa##NAME##QuantInfo(const Tosa##NAME##QuantInfo* p)                                                          \
+        {                                                                                                              \
+            *this = *p;                                                                                                \
+        }                                                                                                              \
+        Tosa##NAME##QuantInfo(const void* qinfo)                                                                       \
+        {                                                                                                              \
+            const NAME##QuantInfo* p = static_cast<const NAME##QuantInfo*>(qinfo);                                     \
+            DEF_ARGS_##NUM_ARGS(VER0, __VA_ARGS__)                                                                     \
+        }                                                                                                              \
+        Tosa##NAME##QuantInfo(DEF_ARGS_##NUM_ARGS(VER1, __VA_ARGS__))                                                  \
+        {                                                                                                              \
+            DEF_ARGS_##NUM_ARGS(VER2, __VA_ARGS__)                                                                     \
+        }                                                                                                              \
+        virtual ~Tosa##NAME##QuantInfo()                                                                               \
+        {}                                                                                                             \
+        DEF_ARGS_##NUM_ARGS(VER3, __VA_ARGS__) private : DEF_ARGS_##NUM_ARGS(VER4, __VA_ARGS__)                        \
+    };
+
+#include "quant_info.def"
+#undef DEF_QUANTIZATION_INFO
+#undef DEF_ARGS_1
+#undef DEF_ARGS_2
+#undef DEF_ARGS_3
+#undef DEF_ARGS_4
+#undef DEF_ARGS_5
+#undef DEF_ARGS_6
+#undef DEF_ARGS_7
+#undef DEF_ARGS_8
+#undef DEF_ARGS_9
+#undef DEF_ARGS_10
+#undef DEF_ARGS_VER0
+#undef DEF_ARGS_VER1
+#undef DEF_ARGS_VER2
+#undef DEF_ARGS_VER3
+#undef DEF_ARGS_VER4
+#undef DEF_ARGS_VER1_TRUE
+#undef DEF_ARGS_VER1_FALSE
+#undef DEF_ARGS_VER0_S
+#undef DEF_ARGS_VER0_V
+#undef DEF_ARGS_VER1_S
+#undef DEF_ARGS_VER1_V
+#undef DEF_ARGS_VER2_S
+#undef DEF_ARGS_VER2_V
+#undef DEF_ARGS_VER3_S
+#undef DEF_ARGS_VER3_V
+#undef DEF_ARGS_VER4_S
+#undef DEF_ARGS_VER4_V
+
+}    // namespace tosa
+
+#endif
diff --git a/include/tosa_generated.h b/include/tosa_generated.h
new file mode 100644
index 0000000..5e883a1
--- /dev/null
+++ b/include/tosa_generated.h
@@ -0,0 +1,2649 @@
+
+// Copyright (c) 2020-2021, ARM Limited.
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//         http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+// automatically generated by the FlatBuffers compiler, do not modify
+
+
+#ifndef FLATBUFFERS_GENERATED_TOSA_TOSA_H_
+#define FLATBUFFERS_GENERATED_TOSA_TOSA_H_
+
+#include "flatbuffers/flatbuffers.h"
+
+namespace tosa {
+
+struct Pool2dAttribute;
+struct Pool2dAttributeBuilder;
+
+struct Conv2dAttribute;
+struct Conv2dAttributeBuilder;
+
+struct TransposeConv2dAttribute;
+struct TransposeConv2dAttributeBuilder;
+
+struct ReluNAttribute;
+struct ReluNAttributeBuilder;
+
+struct AxisAttribute;
+struct AxisAttributeBuilder;
+
+struct ReshapeAttribute;
+struct ReshapeAttributeBuilder;
+
+struct SliceAttribute;
+struct SliceAttributeBuilder;
+
+struct TileAttribute;
+struct TileAttributeBuilder;
+
+struct ResizeAttribute;
+struct ResizeAttributeBuilder;
+
+struct ClampAttribute;
+struct ClampAttributeBuilder;
+
+struct RescaleAttribute;
+struct RescaleAttributeBuilder;
+
+struct MulAttribute;
+struct MulAttributeBuilder;
+
+struct ArithmeticRightShiftAttribute;
+struct ArithmeticRightShiftAttributeBuilder;
+
+struct CondIfAttribute;
+struct CondIfAttributeBuilder;
+
+struct WhileLoopAttribute;
+struct WhileLoopAttributeBuilder;
+
+struct UnaryQuantInfo;
+struct UnaryQuantInfoBuilder;
+
+struct ConvQuantInfo;
+struct ConvQuantInfoBuilder;
+
+struct MatMulQuantInfo;
+struct MatMulQuantInfoBuilder;
+
+struct PadQuantInfo;
+struct PadQuantInfoBuilder;
+
+struct Version;
+struct VersionBuilder;
+
+struct TosaTensor;
+struct TosaTensorBuilder;
+
+struct TosaOperator;
+struct TosaOperatorBuilder;
+
+struct TosaBasicBlock;
+struct TosaBasicBlockBuilder;
+
+struct TosaGraph;
+struct TosaGraphBuilder;
+
+enum DType {
+  DType_UNKNOWN = 0,
+  DType_BOOL = 1,
+  DType_UINT8 = 2,
+  DType_INT4 = 3,
+  DType_INT8 = 4,
+  DType_INT16 = 5,
+  DType_INT32 = 6,
+  DType_INT48 = 7,
+  DType_FLOAT = 8,
+  DType_MIN = DType_UNKNOWN,
+  DType_MAX = DType_FLOAT
+};
+
+inline const DType (&EnumValuesDType())[9] {
+  static const DType values[] = {
+    DType_UNKNOWN,
+    DType_BOOL,
+    DType_UINT8,
+    DType_INT4,
+    DType_INT8,
+    DType_INT16,
+    DType_INT32,
+    DType_INT48,
+    DType_FLOAT
+  };
+  return values;
+}
+
+inline const char * const *EnumNamesDType() {
+  static const char * const names[10] = {
+    "UNKNOWN",
+    "BOOL",
+    "UINT8",
+    "INT4",
+    "INT8",
+    "INT16",
+    "INT32",
+    "INT48",
+    "FLOAT",
+    nullptr
+  };
+  return names;
+}
+
+inline const char *EnumNameDType(DType e) {
+  if (flatbuffers::IsOutRange(e, DType_UNKNOWN, DType_FLOAT)) return "";
+  const size_t index = static_cast<size_t>(e);
+  return EnumNamesDType()[index];
+}
+
+enum ResizeMode {
+  ResizeMode_UNKNOWN = 0,
+  ResizeMode_NEAREST = 1,
+  ResizeMode_BILINEAR = 2,
+  ResizeMode_MIN = ResizeMode_UNKNOWN,
+  ResizeMode_MAX = ResizeMode_BILINEAR
+};
+
+inline const ResizeMode (&EnumValuesResizeMode())[3] {
+  static const ResizeMode values[] = {
+    ResizeMode_UNKNOWN,
+    ResizeMode_NEAREST,
+    ResizeMode_BILINEAR
+  };
+  return values;
+}
+
+inline const char * const *EnumNamesResizeMode() {
+  static const char * const names[4] = {
+    "UNKNOWN",
+    "NEAREST",
+    "BILINEAR",
+    nullptr
+  };
+  return names;
+}
+
+inline const char *EnumNameResizeMode(ResizeMode e) {
+  if (flatbuffers::IsOutRange(e, ResizeMode_UNKNOWN, ResizeMode_BILINEAR)) return "";
+  const size_t index = static_cast<size_t>(e);
+  return EnumNamesResizeMode()[index];
+}
+
+enum Op {
+  Op_UNKNOWN = 0,
+  Op_ARGMAX = 1,
+  Op_AVG_POOL2D = 2,
+  Op_CONV2D = 3,
+  Op_CONV3D = 4,
+  Op_DEPTHWISE_CONV2D = 5,
+  Op_FULLY_CONNECTED = 6,
+  Op_MATMUL = 7,
+  Op_MAX_POOL2D = 8,
+  Op_TRANSPOSE_CONV2D = 9,
+  Op_CLAMP = 10,
+  Op_RELUN = 11,
+  Op_SIGMOID = 12,
+  Op_TANH = 13,
+  Op_ADD = 14,
+  Op_ARITHMETIC_RIGHT_SHIFT = 15,
+  Op_BITWISE_AND = 16,
+  Op_BITWISE_OR = 17,
+  Op_BITWISE_XOR = 18,
+  Op_LOGICAL_AND = 19,
+  Op_LOGICAL_LEFT_SHIFT = 20,
+  Op_LOGICAL_RIGHT_SHIFT = 21,
+  Op_LOGICAL_OR = 22,
+  Op_LOGICAL_XOR = 23,
+  Op_MAXIMUM = 24,
+  Op_MINIMUM = 25,
+  Op_MUL = 26,
+  Op_POW = 27,
+  Op_SUB = 28,
+  Op_TABLE = 29,
+  Op_ABS = 30,
+  Op_BITWISE_NOT = 31,
+  Op_CEIL = 32,
+  Op_CLZ = 33,
+  Op_EXP = 34,
+  Op_FLOOR = 35,
+  Op_LOG = 36,
+  Op_LOGICAL_NOT = 37,
+  Op_NEGATE = 38,
+  Op_RECIPROCAL = 39,
+  Op_RSQRT = 40,
+  Op_SELECT = 41,
+  Op_EQUAL = 42,
+  Op_GREATER = 43,
+  Op_GREATER_EQUAL = 44,
+  Op_REDUCE_ANY = 45,
+  Op_REDUCE_ALL = 46,
+  Op_REDUCE_MAX = 47,
+  Op_REDUCE_MIN = 48,
+  Op_REDUCE_PRODUCT = 49,
+  Op_REDUCE_SUM = 50,
+  Op_CONCAT = 51,
+  Op_PAD = 52,
+  Op_RESHAPE = 53,
+  Op_REVERSE = 54,
+  Op_SLICE = 55,
+  Op_TILE = 56,
+  Op_TRANSPOSE = 57,
+  Op_GATHER = 58,
+  Op_SCATTER = 59,
+  Op_RESIZE = 60,
+  Op_CAST = 61,
+  Op_RESCALE = 62,
+  Op_CONST = 63,
+  Op_PLACEHOLDER = 64,
+  Op_IDENTITY = 65,
+  Op_IDENTITYN = 66,
+  Op_CUSTOM = 67,
+  Op_COND_IF = 68,
+  Op_WHILE_LOOP = 69,
+  Op_MIN = Op_UNKNOWN,
+  Op_MAX = Op_WHILE_LOOP
+};
+
+inline const Op (&EnumValuesOp())[70] {
+  static const Op values[] = {
+    Op_UNKNOWN,
+    Op_ARGMAX,
+    Op_AVG_POOL2D,
+    Op_CONV2D,
+    Op_CONV3D,
+    Op_DEPTHWISE_CONV2D,
+    Op_FULLY_CONNECTED,
+    Op_MATMUL,
+    Op_MAX_POOL2D,
+    Op_TRANSPOSE_CONV2D,
+    Op_CLAMP,
+    Op_RELUN,
+    Op_SIGMOID,
+    Op_TANH,
+    Op_ADD,
+    Op_ARITHMETIC_RIGHT_SHIFT,
+    Op_BITWISE_AND,
+    Op_BITWISE_OR,
+    Op_BITWISE_XOR,
+    Op_LOGICAL_AND,
+    Op_LOGICAL_LEFT_SHIFT,
+    Op_LOGICAL_RIGHT_SHIFT,
+    Op_LOGICAL_OR,
+    Op_LOGICAL_XOR,
+    Op_MAXIMUM,
+    Op_MINIMUM,
+    Op_MUL,
+    Op_POW,
+    Op_SUB,
+    Op_TABLE,
+    Op_ABS,
+    Op_BITWISE_NOT,
+    Op_CEIL,
+    Op_CLZ,
+    Op_EXP,
+    Op_FLOOR,
+    Op_LOG,
+    Op_LOGICAL_NOT,
+    Op_NEGATE,
+    Op_RECIPROCAL,
+    Op_RSQRT,
+    Op_SELECT,
+    Op_EQUAL,
+    Op_GREATER,
+    Op_GREATER_EQUAL,
+    Op_REDUCE_ANY,
+    Op_REDUCE_ALL,
+    Op_REDUCE_MAX,
+    Op_REDUCE_MIN,
+    Op_REDUCE_PRODUCT,
+    Op_REDUCE_SUM,
+    Op_CONCAT,
+    Op_PAD,
+    Op_RESHAPE,
+    Op_REVERSE,
+    Op_SLICE,
+    Op_TILE,
+    Op_TRANSPOSE,
+    Op_GATHER,
+    Op_SCATTER,
+    Op_RESIZE,
+    Op_CAST,
+    Op_RESCALE,
+    Op_CONST,
+    Op_PLACEHOLDER,
+    Op_IDENTITY,
+    Op_IDENTITYN,
+    Op_CUSTOM,
+    Op_COND_IF,
+    Op_WHILE_LOOP
+  };
+  return values;
+}
+
+inline const char * const *EnumNamesOp() {
+  static const char * const names[71] = {
+    "UNKNOWN",
+    "ARGMAX",
+    "AVG_POOL2D",
+    "CONV2D",
+    "CONV3D",
+    "DEPTHWISE_CONV2D",
+    "FULLY_CONNECTED",
+    "MATMUL",
+    "MAX_POOL2D",
+    "TRANSPOSE_CONV2D",
+    "CLAMP",
+    "RELUN",
+    "SIGMOID",
+    "TANH",
+    "ADD",
+    "ARITHMETIC_RIGHT_SHIFT",
+    "BITWISE_AND",
+    "BITWISE_OR",
+    "BITWISE_XOR",
+    "LOGICAL_AND",
+    "LOGICAL_LEFT_SHIFT",
+    "LOGICAL_RIGHT_SHIFT",
+    "LOGICAL_OR",
+    "LOGICAL_XOR",
+    "MAXIMUM",
+    "MINIMUM",
+    "MUL",
+    "POW",
+    "SUB",
+    "TABLE",
+    "ABS",
+    "BITWISE_NOT",
+    "CEIL",
+    "CLZ",
+    "EXP",
+    "FLOOR",
+    "LOG",
+    "LOGICAL_NOT",
+    "NEGATE",
+    "RECIPROCAL",
+    "RSQRT",
+    "SELECT",
+    "EQUAL",
+    "GREATER",
+    "GREATER_EQUAL",
+    "REDUCE_ANY",
+    "REDUCE_ALL",
+    "REDUCE_MAX",
+    "REDUCE_MIN",
+    "REDUCE_PRODUCT",
+    "REDUCE_SUM",
+    "CONCAT",
+    "PAD",
+    "RESHAPE",
+    "REVERSE",
+    "SLICE",
+    "TILE",
+    "TRANSPOSE",
+    "GATHER",
+    "SCATTER",
+    "RESIZE",
+    "CAST",
+    "RESCALE",
+    "CONST",
+    "PLACEHOLDER",
+    "IDENTITY",
+    "IDENTITYN",
+    "CUSTOM",
+    "COND_IF",
+    "WHILE_LOOP",
+    nullptr
+  };
+  return names;
+}
+
+inline const char *EnumNameOp(Op e) {
+  if (flatbuffers::IsOutRange(e, Op_UNKNOWN, Op_WHILE_LOOP)) return "";
+  const size_t index = static_cast<size_t>(e);
+  return EnumNamesOp()[index];
+}
+
+enum Attribute {
+  Attribute_NONE = 0,
+  Attribute_Pool2dAttribute = 1,
+  Attribute_Conv2dAttribute = 2,
+  Attribute_TransposeConv2dAttribute = 3,
+  Attribute_ReluNAttribute = 4,
+  Attribute_AxisAttribute = 5,
+  Attribute_ReshapeAttribute = 6,
+  Attribute_SliceAttribute = 7,
+  Attribute_TileAttribute = 8,
+  Attribute_ResizeAttribute = 9,
+  Attribute_ClampAttribute = 10,
+  Attribute_RescaleAttribute = 11,
+  Attribute_MulAttribute = 12,
+  Attribute_ArithmeticRightShiftAttribute = 13,
+  Attribute_CondIfAttribute = 14,
+  Attribute_WhileLoopAttribute = 15,
+  Attribute_MIN = Attribute_NONE,
+  Attribute_MAX = Attribute_WhileLoopAttribute
+};
+
+inline const Attribute (&EnumValuesAttribute())[16] {
+  static const Attribute values[] = {
+    Attribute_NONE,
+    Attribute_Pool2dAttribute,
+    Attribute_Conv2dAttribute,
+    Attribute_TransposeConv2dAttribute,
+    Attribute_ReluNAttribute,
+    Attribute_AxisAttribute,
+    Attribute_ReshapeAttribute,
+    Attribute_SliceAttribute,
+    Attribute_TileAttribute,
+    Attribute_ResizeAttribute,
+    Attribute_ClampAttribute,
+    Attribute_RescaleAttribute,
+    Attribute_MulAttribute,
+    Attribute_ArithmeticRightShiftAttribute,
+    Attribute_CondIfAttribute,
+    Attribute_WhileLoopAttribute
+  };
+  return values;
+}
+
+inline const char * const *EnumNamesAttribute() {
+  static const char * const names[17] = {
+    "NONE",
+    "Pool2dAttribute",
+    "Conv2dAttribute",
+    "TransposeConv2dAttribute",
+    "ReluNAttribute",
+    "AxisAttribute",
+    "ReshapeAttribute",
+    "SliceAttribute",
+    "TileAttribute",
+    "ResizeAttribute",
+    "ClampAttribute",
+    "RescaleAttribute",
+    "MulAttribute",
+    "ArithmeticRightShiftAttribute",
+    "CondIfAttribute",
+    "WhileLoopAttribute",
+    nullptr
+  };
+  return names;
+}
+
+inline const char *EnumNameAttribute(Attribute e) {
+  if (flatbuffers::IsOutRange(e, Attribute_NONE, Attribute_WhileLoopAttribute)) return "";
+  const size_t index = static_cast<size_t>(e);
+  return EnumNamesAttribute()[index];
+}
+
+template<typename T> struct AttributeTraits {
+  static const Attribute enum_value = Attribute_NONE;
+};
+
+template<> struct AttributeTraits<tosa::Pool2dAttribute> {
+  static const Attribute enum_value = Attribute_Pool2dAttribute;
+};
+
+template<> struct AttributeTraits<tosa::Conv2dAttribute> {
+  static const Attribute enum_value = Attribute_Conv2dAttribute;
+};
+
+template<> struct AttributeTraits<tosa::TransposeConv2dAttribute> {
+  static const Attribute enum_value = Attribute_TransposeConv2dAttribute;
+};
+
+template<> struct AttributeTraits<tosa::ReluNAttribute> {
+  static const Attribute enum_value = Attribute_ReluNAttribute;
+};
+
+template<> struct AttributeTraits<tosa::AxisAttribute> {
+  static const Attribute enum_value = Attribute_AxisAttribute;
+};
+
+template<> struct AttributeTraits<tosa::ReshapeAttribute> {
+  static const Attribute enum_value = Attribute_ReshapeAttribute;
+};
+
+template<> struct AttributeTraits<tosa::SliceAttribute> {
+  static const Attribute enum_value = Attribute_SliceAttribute;
+};
+
+template<> struct AttributeTraits<tosa::TileAttribute> {
+  static const Attribute enum_value = Attribute_TileAttribute;
+};
+
+template<> struct AttributeTraits<tosa::ResizeAttribute> {
+  static const Attribute enum_value = Attribute_ResizeAttribute;
+};
+
+template<> struct AttributeTraits<tosa::ClampAttribute> {
+  static const Attribute enum_value = Attribute_ClampAttribute;
+};
+
+template<> struct AttributeTraits<tosa::RescaleAttribute> {
+  static const Attribute enum_value = Attribute_RescaleAttribute;
+};
+
+template<> struct AttributeTraits<tosa::MulAttribute> {
+  static const Attribute enum_value = Attribute_MulAttribute;
+};
+
+template<> struct AttributeTraits<tosa::ArithmeticRightShiftAttribute> {
+  static const Attribute enum_value = Attribute_ArithmeticRightShiftAttribute;
+};
+
+template<> struct AttributeTraits<tosa::CondIfAttribute> {
+  static const Attribute enum_value = Attribute_CondIfAttribute;
+};
+
+template<> struct AttributeTraits<tosa::WhileLoopAttribute> {
+  static const Attribute enum_value = Attribute_WhileLoopAttribute;
+};
+
+bool VerifyAttribute(flatbuffers::Verifier &verifier, const void *obj, Attribute type);
+bool VerifyAttributeVector(flatbuffers::Verifier &verifier, const flatbuffers::Vector<flatbuffers::Offset<void>> *values, const flatbuffers::Vector<uint8_t> *types);
+
+enum QuantInfo {
+  QuantInfo_NONE = 0,
+  QuantInfo_UnaryQuantInfo = 1,
+  QuantInfo_ConvQuantInfo = 2,
+  QuantInfo_MatMulQuantInfo = 3,
+  QuantInfo_PadQuantInfo = 4,
+  QuantInfo_MIN = QuantInfo_NONE,
+  QuantInfo_MAX = QuantInfo_PadQuantInfo
+};
+
+inline const QuantInfo (&EnumValuesQuantInfo())[5] {
+  static const QuantInfo values[] = {
+    QuantInfo_NONE,
+    QuantInfo_UnaryQuantInfo,
+    QuantInfo_ConvQuantInfo,
+    QuantInfo_MatMulQuantInfo,
+    QuantInfo_PadQuantInfo
+  };
+  return values;
+}
+
+inline const char * const *EnumNamesQuantInfo() {
+  static const char * const names[6] = {
+    "NONE",
+    "UnaryQuantInfo",
+    "ConvQuantInfo",
+    "MatMulQuantInfo",
+    "PadQuantInfo",
+    nullptr
+  };
+  return names;
+}
+
+inline const char *EnumNameQuantInfo(QuantInfo e) {
+  if (flatbuffers::IsOutRange(e, QuantInfo_NONE, QuantInfo_PadQuantInfo)) return "";
+  const size_t index = static_cast<size_t>(e);
+  return EnumNamesQuantInfo()[index];
+}
+
+template<typename T> struct QuantInfoTraits {
+  static const QuantInfo enum_value = QuantInfo_NONE;
+};
+
+template<> struct QuantInfoTraits<tosa::UnaryQuantInfo> {
+  static const QuantInfo enum_value = QuantInfo_UnaryQuantInfo;
+};
+
+template<> struct QuantInfoTraits<tosa::ConvQuantInfo> {
+  static const QuantInfo enum_value = QuantInfo_ConvQuantInfo;
+};
+
+template<> struct QuantInfoTraits<tosa::MatMulQuantInfo> {
+  static const QuantInfo enum_value = QuantInfo_MatMulQuantInfo;
+};
+
+template<> struct QuantInfoTraits<tosa::PadQuantInfo> {
+  static const QuantInfo enum_value = QuantInfo_PadQuantInfo;
+};
+
+bool VerifyQuantInfo(flatbuffers::Verifier &verifier, const void *obj, QuantInfo type);
+bool VerifyQuantInfoVector(flatbuffers::Verifier &verifier, const flatbuffers::Vector<flatbuffers::Offset<void>> *values, const flatbuffers::Vector<uint8_t> *types);
+
+struct Pool2dAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef Pool2dAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_PADDING = 4,
+    VT_KERNEL = 6,
+    VT_STRIDE = 8
+  };
+  const flatbuffers::Vector<int32_t> *padding() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_PADDING);
+  }
+  const flatbuffers::Vector<int32_t> *kernel() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_KERNEL);
+  }
+  const flatbuffers::Vector<int32_t> *stride() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_STRIDE);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_PADDING) &&
+           verifier.VerifyVector(padding()) &&
+           VerifyOffset(verifier, VT_KERNEL) &&
+           verifier.VerifyVector(kernel()) &&
+           VerifyOffset(verifier, VT_STRIDE) &&
+           verifier.VerifyVector(stride()) &&
+           verifier.EndTable();
+  }
+};
+
+struct Pool2dAttributeBuilder {
+  typedef Pool2dAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_padding(flatbuffers::Offset<flatbuffers::Vector<int32_t>> padding) {
+    fbb_.AddOffset(Pool2dAttribute::VT_PADDING, padding);
+  }
+  void add_kernel(flatbuffers::Offset<flatbuffers::Vector<int32_t>> kernel) {
+    fbb_.AddOffset(Pool2dAttribute::VT_KERNEL, kernel);
+  }
+  void add_stride(flatbuffers::Offset<flatbuffers::Vector<int32_t>> stride) {
+    fbb_.AddOffset(Pool2dAttribute::VT_STRIDE, stride);
+  }
+  explicit Pool2dAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  Pool2dAttributeBuilder &operator=(const Pool2dAttributeBuilder &);
+  flatbuffers::Offset<Pool2dAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<Pool2dAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<Pool2dAttribute> CreatePool2dAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> padding = 0,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> kernel = 0,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> stride = 0) {
+  Pool2dAttributeBuilder builder_(_fbb);
+  builder_.add_stride(stride);
+  builder_.add_kernel(kernel);
+  builder_.add_padding(padding);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<Pool2dAttribute> CreatePool2dAttributeDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    const std::vector<int32_t> *padding = nullptr,
+    const std::vector<int32_t> *kernel = nullptr,
+    const std::vector<int32_t> *stride = nullptr) {
+  auto padding__ = padding ? _fbb.CreateVector<int32_t>(*padding) : 0;
+  auto kernel__ = kernel ? _fbb.CreateVector<int32_t>(*kernel) : 0;
+  auto stride__ = stride ? _fbb.CreateVector<int32_t>(*stride) : 0;
+  return tosa::CreatePool2dAttribute(
+      _fbb,
+      padding__,
+      kernel__,
+      stride__);
+}
+
+struct Conv2dAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef Conv2dAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_PADDING = 4,
+    VT_STRIDE = 6,
+    VT_DILATION = 8
+  };
+  const flatbuffers::Vector<int32_t> *padding() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_PADDING);
+  }
+  const flatbuffers::Vector<int32_t> *stride() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_STRIDE);
+  }
+  const flatbuffers::Vector<int32_t> *dilation() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_DILATION);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_PADDING) &&
+           verifier.VerifyVector(padding()) &&
+           VerifyOffset(verifier, VT_STRIDE) &&
+           verifier.VerifyVector(stride()) &&
+           VerifyOffset(verifier, VT_DILATION) &&
+           verifier.VerifyVector(dilation()) &&
+           verifier.EndTable();
+  }
+};
+
+struct Conv2dAttributeBuilder {
+  typedef Conv2dAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_padding(flatbuffers::Offset<flatbuffers::Vector<int32_t>> padding) {
+    fbb_.AddOffset(Conv2dAttribute::VT_PADDING, padding);
+  }
+  void add_stride(flatbuffers::Offset<flatbuffers::Vector<int32_t>> stride) {
+    fbb_.AddOffset(Conv2dAttribute::VT_STRIDE, stride);
+  }
+  void add_dilation(flatbuffers::Offset<flatbuffers::Vector<int32_t>> dilation) {
+    fbb_.AddOffset(Conv2dAttribute::VT_DILATION, dilation);
+  }
+  explicit Conv2dAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  Conv2dAttributeBuilder &operator=(const Conv2dAttributeBuilder &);
+  flatbuffers::Offset<Conv2dAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<Conv2dAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<Conv2dAttribute> CreateConv2dAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> padding = 0,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> stride = 0,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> dilation = 0) {
+  Conv2dAttributeBuilder builder_(_fbb);
+  builder_.add_dilation(dilation);
+  builder_.add_stride(stride);
+  builder_.add_padding(padding);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<Conv2dAttribute> CreateConv2dAttributeDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    const std::vector<int32_t> *padding = nullptr,
+    const std::vector<int32_t> *stride = nullptr,
+    const std::vector<int32_t> *dilation = nullptr) {
+  auto padding__ = padding ? _fbb.CreateVector<int32_t>(*padding) : 0;
+  auto stride__ = stride ? _fbb.CreateVector<int32_t>(*stride) : 0;
+  auto dilation__ = dilation ? _fbb.CreateVector<int32_t>(*dilation) : 0;
+  return tosa::CreateConv2dAttribute(
+      _fbb,
+      padding__,
+      stride__,
+      dilation__);
+}
+
+struct TransposeConv2dAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef TransposeConv2dAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_OUTPAD = 4,
+    VT_STRIDE = 6,
+    VT_DILATION = 8,
+    VT_OUTPUT_SHAPE = 10
+  };
+  const flatbuffers::Vector<int32_t> *outpad() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_OUTPAD);
+  }
+  const flatbuffers::Vector<int32_t> *stride() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_STRIDE);
+  }
+  const flatbuffers::Vector<int32_t> *dilation() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_DILATION);
+  }
+  const flatbuffers::Vector<int32_t> *output_shape() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_OUTPUT_SHAPE);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_OUTPAD) &&
+           verifier.VerifyVector(outpad()) &&
+           VerifyOffset(verifier, VT_STRIDE) &&
+           verifier.VerifyVector(stride()) &&
+           VerifyOffset(verifier, VT_DILATION) &&
+           verifier.VerifyVector(dilation()) &&
+           VerifyOffset(verifier, VT_OUTPUT_SHAPE) &&
+           verifier.VerifyVector(output_shape()) &&
+           verifier.EndTable();
+  }
+};
+
+struct TransposeConv2dAttributeBuilder {
+  typedef TransposeConv2dAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_outpad(flatbuffers::Offset<flatbuffers::Vector<int32_t>> outpad) {
+    fbb_.AddOffset(TransposeConv2dAttribute::VT_OUTPAD, outpad);
+  }
+  void add_stride(flatbuffers::Offset<flatbuffers::Vector<int32_t>> stride) {
+    fbb_.AddOffset(TransposeConv2dAttribute::VT_STRIDE, stride);
+  }
+  void add_dilation(flatbuffers::Offset<flatbuffers::Vector<int32_t>> dilation) {
+    fbb_.AddOffset(TransposeConv2dAttribute::VT_DILATION, dilation);
+  }
+  void add_output_shape(flatbuffers::Offset<flatbuffers::Vector<int32_t>> output_shape) {
+    fbb_.AddOffset(TransposeConv2dAttribute::VT_OUTPUT_SHAPE, output_shape);
+  }
+  explicit TransposeConv2dAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  TransposeConv2dAttributeBuilder &operator=(const TransposeConv2dAttributeBuilder &);
+  flatbuffers::Offset<TransposeConv2dAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<TransposeConv2dAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<TransposeConv2dAttribute> CreateTransposeConv2dAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> outpad = 0,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> stride = 0,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> dilation = 0,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> output_shape = 0) {
+  TransposeConv2dAttributeBuilder builder_(_fbb);
+  builder_.add_output_shape(output_shape);
+  builder_.add_dilation(dilation);
+  builder_.add_stride(stride);
+  builder_.add_outpad(outpad);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<TransposeConv2dAttribute> CreateTransposeConv2dAttributeDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    const std::vector<int32_t> *outpad = nullptr,
+    const std::vector<int32_t> *stride = nullptr,
+    const std::vector<int32_t> *dilation = nullptr,
+    const std::vector<int32_t> *output_shape = nullptr) {
+  auto outpad__ = outpad ? _fbb.CreateVector<int32_t>(*outpad) : 0;
+  auto stride__ = stride ? _fbb.CreateVector<int32_t>(*stride) : 0;
+  auto dilation__ = dilation ? _fbb.CreateVector<int32_t>(*dilation) : 0;
+  auto output_shape__ = output_shape ? _fbb.CreateVector<int32_t>(*output_shape) : 0;
+  return tosa::CreateTransposeConv2dAttribute(
+      _fbb,
+      outpad__,
+      stride__,
+      dilation__,
+      output_shape__);
+}
+
+struct ReluNAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef ReluNAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_MAX_INT = 4,
+    VT_MAX_FP = 6
+  };
+  int32_t max_int() const {
+    return GetField<int32_t>(VT_MAX_INT, 0);
+  }
+  float max_fp() const {
+    return GetField<float>(VT_MAX_FP, 0.0f);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyField<int32_t>(verifier, VT_MAX_INT) &&
+           VerifyField<float>(verifier, VT_MAX_FP) &&
+           verifier.EndTable();
+  }
+};
+
+struct ReluNAttributeBuilder {
+  typedef ReluNAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_max_int(int32_t max_int) {
+    fbb_.AddElement<int32_t>(ReluNAttribute::VT_MAX_INT, max_int, 0);
+  }
+  void add_max_fp(float max_fp) {
+    fbb_.AddElement<float>(ReluNAttribute::VT_MAX_FP, max_fp, 0.0f);
+  }
+  explicit ReluNAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  ReluNAttributeBuilder &operator=(const ReluNAttributeBuilder &);
+  flatbuffers::Offset<ReluNAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<ReluNAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<ReluNAttribute> CreateReluNAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    int32_t max_int = 0,
+    float max_fp = 0.0f) {
+  ReluNAttributeBuilder builder_(_fbb);
+  builder_.add_max_fp(max_fp);
+  builder_.add_max_int(max_int);
+  return builder_.Finish();
+}
+
+struct AxisAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef AxisAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_AXIS = 4
+  };
+  int32_t axis() const {
+    return GetField<int32_t>(VT_AXIS, 0);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyField<int32_t>(verifier, VT_AXIS) &&
+           verifier.EndTable();
+  }
+};
+
+struct AxisAttributeBuilder {
+  typedef AxisAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_axis(int32_t axis) {
+    fbb_.AddElement<int32_t>(AxisAttribute::VT_AXIS, axis, 0);
+  }
+  explicit AxisAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  AxisAttributeBuilder &operator=(const AxisAttributeBuilder &);
+  flatbuffers::Offset<AxisAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<AxisAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<AxisAttribute> CreateAxisAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    int32_t axis = 0) {
+  AxisAttributeBuilder builder_(_fbb);
+  builder_.add_axis(axis);
+  return builder_.Finish();
+}
+
+struct ReshapeAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef ReshapeAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_SHAPE = 4
+  };
+  const flatbuffers::Vector<int32_t> *shape() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_SHAPE);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_SHAPE) &&
+           verifier.VerifyVector(shape()) &&
+           verifier.EndTable();
+  }
+};
+
+struct ReshapeAttributeBuilder {
+  typedef ReshapeAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_shape(flatbuffers::Offset<flatbuffers::Vector<int32_t>> shape) {
+    fbb_.AddOffset(ReshapeAttribute::VT_SHAPE, shape);
+  }
+  explicit ReshapeAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  ReshapeAttributeBuilder &operator=(const ReshapeAttributeBuilder &);
+  flatbuffers::Offset<ReshapeAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<ReshapeAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<ReshapeAttribute> CreateReshapeAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> shape = 0) {
+  ReshapeAttributeBuilder builder_(_fbb);
+  builder_.add_shape(shape);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<ReshapeAttribute> CreateReshapeAttributeDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    const std::vector<int32_t> *shape = nullptr) {
+  auto shape__ = shape ? _fbb.CreateVector<int32_t>(*shape) : 0;
+  return tosa::CreateReshapeAttribute(
+      _fbb,
+      shape__);
+}
+
+struct SliceAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef SliceAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_BEGIN = 4,
+    VT_SIZE = 6
+  };
+  const flatbuffers::Vector<int32_t> *begin() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_BEGIN);
+  }
+  const flatbuffers::Vector<int32_t> *size() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_SIZE);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_BEGIN) &&
+           verifier.VerifyVector(begin()) &&
+           VerifyOffset(verifier, VT_SIZE) &&
+           verifier.VerifyVector(size()) &&
+           verifier.EndTable();
+  }
+};
+
+struct SliceAttributeBuilder {
+  typedef SliceAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_begin(flatbuffers::Offset<flatbuffers::Vector<int32_t>> begin) {
+    fbb_.AddOffset(SliceAttribute::VT_BEGIN, begin);
+  }
+  void add_size(flatbuffers::Offset<flatbuffers::Vector<int32_t>> size) {
+    fbb_.AddOffset(SliceAttribute::VT_SIZE, size);
+  }
+  explicit SliceAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  SliceAttributeBuilder &operator=(const SliceAttributeBuilder &);
+  flatbuffers::Offset<SliceAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<SliceAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<SliceAttribute> CreateSliceAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> begin = 0,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> size = 0) {
+  SliceAttributeBuilder builder_(_fbb);
+  builder_.add_size(size);
+  builder_.add_begin(begin);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<SliceAttribute> CreateSliceAttributeDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    const std::vector<int32_t> *begin = nullptr,
+    const std::vector<int32_t> *size = nullptr) {
+  auto begin__ = begin ? _fbb.CreateVector<int32_t>(*begin) : 0;
+  auto size__ = size ? _fbb.CreateVector<int32_t>(*size) : 0;
+  return tosa::CreateSliceAttribute(
+      _fbb,
+      begin__,
+      size__);
+}
+
+struct TileAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef TileAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_MULTIPLES = 4
+  };
+  const flatbuffers::Vector<int32_t> *multiples() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_MULTIPLES);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_MULTIPLES) &&
+           verifier.VerifyVector(multiples()) &&
+           verifier.EndTable();
+  }
+};
+
+struct TileAttributeBuilder {
+  typedef TileAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_multiples(flatbuffers::Offset<flatbuffers::Vector<int32_t>> multiples) {
+    fbb_.AddOffset(TileAttribute::VT_MULTIPLES, multiples);
+  }
+  explicit TileAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  TileAttributeBuilder &operator=(const TileAttributeBuilder &);
+  flatbuffers::Offset<TileAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<TileAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<TileAttribute> CreateTileAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> multiples = 0) {
+  TileAttributeBuilder builder_(_fbb);
+  builder_.add_multiples(multiples);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<TileAttribute> CreateTileAttributeDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    const std::vector<int32_t> *multiples = nullptr) {
+  auto multiples__ = multiples ? _fbb.CreateVector<int32_t>(*multiples) : 0;
+  return tosa::CreateTileAttribute(
+      _fbb,
+      multiples__);
+}
+
+struct ResizeAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef ResizeAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_OUTPUT_SIZE = 4,
+    VT_STRIDE = 6,
+    VT_OFFSET = 8,
+    VT_SHIFT = 10,
+    VT_STRIDE_FP = 12,
+    VT_OFFSET_FP = 14,
+    VT_MODE = 16
+  };
+  const flatbuffers::Vector<int32_t> *output_size() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_OUTPUT_SIZE);
+  }
+  const flatbuffers::Vector<int32_t> *stride() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_STRIDE);
+  }
+  const flatbuffers::Vector<int32_t> *offset() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_OFFSET);
+  }
+  int32_t shift() const {
+    return GetField<int32_t>(VT_SHIFT, 0);
+  }
+  const flatbuffers::Vector<float> *stride_fp() const {
+    return GetPointer<const flatbuffers::Vector<float> *>(VT_STRIDE_FP);
+  }
+  const flatbuffers::Vector<float> *offset_fp() const {
+    return GetPointer<const flatbuffers::Vector<float> *>(VT_OFFSET_FP);
+  }
+  tosa::ResizeMode mode() const {
+    return static_cast<tosa::ResizeMode>(GetField<uint32_t>(VT_MODE, 0));
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_OUTPUT_SIZE) &&
+           verifier.VerifyVector(output_size()) &&
+           VerifyOffset(verifier, VT_STRIDE) &&
+           verifier.VerifyVector(stride()) &&
+           VerifyOffset(verifier, VT_OFFSET) &&
+           verifier.VerifyVector(offset()) &&
+           VerifyField<int32_t>(verifier, VT_SHIFT) &&
+           VerifyOffset(verifier, VT_STRIDE_FP) &&
+           verifier.VerifyVector(stride_fp()) &&
+           VerifyOffset(verifier, VT_OFFSET_FP) &&
+           verifier.VerifyVector(offset_fp()) &&
+           VerifyField<uint32_t>(verifier, VT_MODE) &&
+           verifier.EndTable();
+  }
+};
+
+struct ResizeAttributeBuilder {
+  typedef ResizeAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_output_size(flatbuffers::Offset<flatbuffers::Vector<int32_t>> output_size) {
+    fbb_.AddOffset(ResizeAttribute::VT_OUTPUT_SIZE, output_size);
+  }
+  void add_stride(flatbuffers::Offset<flatbuffers::Vector<int32_t>> stride) {
+    fbb_.AddOffset(ResizeAttribute::VT_STRIDE, stride);
+  }
+  void add_offset(flatbuffers::Offset<flatbuffers::Vector<int32_t>> offset) {
+    fbb_.AddOffset(ResizeAttribute::VT_OFFSET, offset);
+  }
+  void add_shift(int32_t shift) {
+    fbb_.AddElement<int32_t>(ResizeAttribute::VT_SHIFT, shift, 0);
+  }
+  void add_stride_fp(flatbuffers::Offset<flatbuffers::Vector<float>> stride_fp) {
+    fbb_.AddOffset(ResizeAttribute::VT_STRIDE_FP, stride_fp);
+  }
+  void add_offset_fp(flatbuffers::Offset<flatbuffers::Vector<float>> offset_fp) {
+    fbb_.AddOffset(ResizeAttribute::VT_OFFSET_FP, offset_fp);
+  }
+  void add_mode(tosa::ResizeMode mode) {
+    fbb_.AddElement<uint32_t>(ResizeAttribute::VT_MODE, static_cast<uint32_t>(mode), 0);
+  }
+  explicit ResizeAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  ResizeAttributeBuilder &operator=(const ResizeAttributeBuilder &);
+  flatbuffers::Offset<ResizeAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<ResizeAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<ResizeAttribute> CreateResizeAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> output_size = 0,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> stride = 0,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> offset = 0,
+    int32_t shift = 0,
+    flatbuffers::Offset<flatbuffers::Vector<float>> stride_fp = 0,
+    flatbuffers::Offset<flatbuffers::Vector<float>> offset_fp = 0,
+    tosa::ResizeMode mode = tosa::ResizeMode_UNKNOWN) {
+  ResizeAttributeBuilder builder_(_fbb);
+  builder_.add_mode(mode);
+  builder_.add_offset_fp(offset_fp);
+  builder_.add_stride_fp(stride_fp);
+  builder_.add_shift(shift);
+  builder_.add_offset(offset);
+  builder_.add_stride(stride);
+  builder_.add_output_size(output_size);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<ResizeAttribute> CreateResizeAttributeDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    const std::vector<int32_t> *output_size = nullptr,
+    const std::vector<int32_t> *stride = nullptr,
+    const std::vector<int32_t> *offset = nullptr,
+    int32_t shift = 0,
+    const std::vector<float> *stride_fp = nullptr,
+    const std::vector<float> *offset_fp = nullptr,
+    tosa::ResizeMode mode = tosa::ResizeMode_UNKNOWN) {
+  auto output_size__ = output_size ? _fbb.CreateVector<int32_t>(*output_size) : 0;
+  auto stride__ = stride ? _fbb.CreateVector<int32_t>(*stride) : 0;
+  auto offset__ = offset ? _fbb.CreateVector<int32_t>(*offset) : 0;
+  auto stride_fp__ = stride_fp ? _fbb.CreateVector<float>(*stride_fp) : 0;
+  auto offset_fp__ = offset_fp ? _fbb.CreateVector<float>(*offset_fp) : 0;
+  return tosa::CreateResizeAttribute(
+      _fbb,
+      output_size__,
+      stride__,
+      offset__,
+      shift,
+      stride_fp__,
+      offset_fp__,
+      mode);
+}
+
+struct ClampAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef ClampAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_MIN_INT = 4,
+    VT_MAX_INT = 6,
+    VT_MIN_FP = 8,
+    VT_MAX_FP = 10
+  };
+  int32_t min_int() const {
+    return GetField<int32_t>(VT_MIN_INT, 0);
+  }
+  int32_t max_int() const {
+    return GetField<int32_t>(VT_MAX_INT, 0);
+  }
+  float min_fp() const {
+    return GetField<float>(VT_MIN_FP, 0.0f);
+  }
+  float max_fp() const {
+    return GetField<float>(VT_MAX_FP, 0.0f);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyField<int32_t>(verifier, VT_MIN_INT) &&
+           VerifyField<int32_t>(verifier, VT_MAX_INT) &&
+           VerifyField<float>(verifier, VT_MIN_FP) &&
+           VerifyField<float>(verifier, VT_MAX_FP) &&
+           verifier.EndTable();
+  }
+};
+
+struct ClampAttributeBuilder {
+  typedef ClampAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_min_int(int32_t min_int) {
+    fbb_.AddElement<int32_t>(ClampAttribute::VT_MIN_INT, min_int, 0);
+  }
+  void add_max_int(int32_t max_int) {
+    fbb_.AddElement<int32_t>(ClampAttribute::VT_MAX_INT, max_int, 0);
+  }
+  void add_min_fp(float min_fp) {
+    fbb_.AddElement<float>(ClampAttribute::VT_MIN_FP, min_fp, 0.0f);
+  }
+  void add_max_fp(float max_fp) {
+    fbb_.AddElement<float>(ClampAttribute::VT_MAX_FP, max_fp, 0.0f);
+  }
+  explicit ClampAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  ClampAttributeBuilder &operator=(const ClampAttributeBuilder &);
+  flatbuffers::Offset<ClampAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<ClampAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<ClampAttribute> CreateClampAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    int32_t min_int = 0,
+    int32_t max_int = 0,
+    float min_fp = 0.0f,
+    float max_fp = 0.0f) {
+  ClampAttributeBuilder builder_(_fbb);
+  builder_.add_max_fp(max_fp);
+  builder_.add_min_fp(min_fp);
+  builder_.add_max_int(max_int);
+  builder_.add_min_int(min_int);
+  return builder_.Finish();
+}
+
+struct RescaleAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef RescaleAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_INPUT_ZP = 4,
+    VT_OUTPUT_ZP = 6,
+    VT_MULTIPLIER = 8,
+    VT_SHIFT = 10,
+    VT_SCALE32 = 12,
+    VT_DOUBLE_ROUND = 14,
+    VT_PER_CHANNEL = 16
+  };
+  int32_t input_zp() const {
+    return GetField<int32_t>(VT_INPUT_ZP, 0);
+  }
+  int32_t output_zp() const {
+    return GetField<int32_t>(VT_OUTPUT_ZP, 0);
+  }
+  const flatbuffers::Vector<int32_t> *multiplier() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_MULTIPLIER);
+  }
+  const flatbuffers::Vector<int32_t> *shift() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_SHIFT);
+  }
+  bool scale32() const {
+    return GetField<uint8_t>(VT_SCALE32, 0) != 0;
+  }
+  bool double_round() const {
+    return GetField<uint8_t>(VT_DOUBLE_ROUND, 0) != 0;
+  }
+  bool per_channel() const {
+    return GetField<uint8_t>(VT_PER_CHANNEL, 0) != 0;
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyField<int32_t>(verifier, VT_INPUT_ZP) &&
+           VerifyField<int32_t>(verifier, VT_OUTPUT_ZP) &&
+           VerifyOffset(verifier, VT_MULTIPLIER) &&
+           verifier.VerifyVector(multiplier()) &&
+           VerifyOffset(verifier, VT_SHIFT) &&
+           verifier.VerifyVector(shift()) &&
+           VerifyField<uint8_t>(verifier, VT_SCALE32) &&
+           VerifyField<uint8_t>(verifier, VT_DOUBLE_ROUND) &&
+           VerifyField<uint8_t>(verifier, VT_PER_CHANNEL) &&
+           verifier.EndTable();
+  }
+};
+
+struct RescaleAttributeBuilder {
+  typedef RescaleAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_input_zp(int32_t input_zp) {
+    fbb_.AddElement<int32_t>(RescaleAttribute::VT_INPUT_ZP, input_zp, 0);
+  }
+  void add_output_zp(int32_t output_zp) {
+    fbb_.AddElement<int32_t>(RescaleAttribute::VT_OUTPUT_ZP, output_zp, 0);
+  }
+  void add_multiplier(flatbuffers::Offset<flatbuffers::Vector<int32_t>> multiplier) {
+    fbb_.AddOffset(RescaleAttribute::VT_MULTIPLIER, multiplier);
+  }
+  void add_shift(flatbuffers::Offset<flatbuffers::Vector<int32_t>> shift) {
+    fbb_.AddOffset(RescaleAttribute::VT_SHIFT, shift);
+  }
+  void add_scale32(bool scale32) {
+    fbb_.AddElement<uint8_t>(RescaleAttribute::VT_SCALE32, static_cast<uint8_t>(scale32), 0);
+  }
+  void add_double_round(bool double_round) {
+    fbb_.AddElement<uint8_t>(RescaleAttribute::VT_DOUBLE_ROUND, static_cast<uint8_t>(double_round), 0);
+  }
+  void add_per_channel(bool per_channel) {
+    fbb_.AddElement<uint8_t>(RescaleAttribute::VT_PER_CHANNEL, static_cast<uint8_t>(per_channel), 0);
+  }
+  explicit RescaleAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  RescaleAttributeBuilder &operator=(const RescaleAttributeBuilder &);
+  flatbuffers::Offset<RescaleAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<RescaleAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<RescaleAttribute> CreateRescaleAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    int32_t input_zp = 0,
+    int32_t output_zp = 0,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> multiplier = 0,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> shift = 0,
+    bool scale32 = false,
+    bool double_round = false,
+    bool per_channel = false) {
+  RescaleAttributeBuilder builder_(_fbb);
+  builder_.add_shift(shift);
+  builder_.add_multiplier(multiplier);
+  builder_.add_output_zp(output_zp);
+  builder_.add_input_zp(input_zp);
+  builder_.add_per_channel(per_channel);
+  builder_.add_double_round(double_round);
+  builder_.add_scale32(scale32);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<RescaleAttribute> CreateRescaleAttributeDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    int32_t input_zp = 0,
+    int32_t output_zp = 0,
+    const std::vector<int32_t> *multiplier = nullptr,
+    const std::vector<int32_t> *shift = nullptr,
+    bool scale32 = false,
+    bool double_round = false,
+    bool per_channel = false) {
+  auto multiplier__ = multiplier ? _fbb.CreateVector<int32_t>(*multiplier) : 0;
+  auto shift__ = shift ? _fbb.CreateVector<int32_t>(*shift) : 0;
+  return tosa::CreateRescaleAttribute(
+      _fbb,
+      input_zp,
+      output_zp,
+      multiplier__,
+      shift__,
+      scale32,
+      double_round,
+      per_channel);
+}
+
+struct MulAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef MulAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_SHIFT = 4
+  };
+  int32_t shift() const {
+    return GetField<int32_t>(VT_SHIFT, 0);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyField<int32_t>(verifier, VT_SHIFT) &&
+           verifier.EndTable();
+  }
+};
+
+struct MulAttributeBuilder {
+  typedef MulAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_shift(int32_t shift) {
+    fbb_.AddElement<int32_t>(MulAttribute::VT_SHIFT, shift, 0);
+  }
+  explicit MulAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  MulAttributeBuilder &operator=(const MulAttributeBuilder &);
+  flatbuffers::Offset<MulAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<MulAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<MulAttribute> CreateMulAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    int32_t shift = 0) {
+  MulAttributeBuilder builder_(_fbb);
+  builder_.add_shift(shift);
+  return builder_.Finish();
+}
+
+struct ArithmeticRightShiftAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef ArithmeticRightShiftAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_ROUND = 4
+  };
+  bool round() const {
+    return GetField<uint8_t>(VT_ROUND, 0) != 0;
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyField<uint8_t>(verifier, VT_ROUND) &&
+           verifier.EndTable();
+  }
+};
+
+struct ArithmeticRightShiftAttributeBuilder {
+  typedef ArithmeticRightShiftAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_round(bool round) {
+    fbb_.AddElement<uint8_t>(ArithmeticRightShiftAttribute::VT_ROUND, static_cast<uint8_t>(round), 0);
+  }
+  explicit ArithmeticRightShiftAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  ArithmeticRightShiftAttributeBuilder &operator=(const ArithmeticRightShiftAttributeBuilder &);
+  flatbuffers::Offset<ArithmeticRightShiftAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<ArithmeticRightShiftAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<ArithmeticRightShiftAttribute> CreateArithmeticRightShiftAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    bool round = false) {
+  ArithmeticRightShiftAttributeBuilder builder_(_fbb);
+  builder_.add_round(round);
+  return builder_.Finish();
+}
+
+struct CondIfAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef CondIfAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_THEN_BRANCH = 4,
+    VT_ELSE_BRANCH = 6
+  };
+  const flatbuffers::String *then_branch() const {
+    return GetPointer<const flatbuffers::String *>(VT_THEN_BRANCH);
+  }
+  const flatbuffers::String *else_branch() const {
+    return GetPointer<const flatbuffers::String *>(VT_ELSE_BRANCH);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_THEN_BRANCH) &&
+           verifier.VerifyString(then_branch()) &&
+           VerifyOffset(verifier, VT_ELSE_BRANCH) &&
+           verifier.VerifyString(else_branch()) &&
+           verifier.EndTable();
+  }
+};
+
+struct CondIfAttributeBuilder {
+  typedef CondIfAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_then_branch(flatbuffers::Offset<flatbuffers::String> then_branch) {
+    fbb_.AddOffset(CondIfAttribute::VT_THEN_BRANCH, then_branch);
+  }
+  void add_else_branch(flatbuffers::Offset<flatbuffers::String> else_branch) {
+    fbb_.AddOffset(CondIfAttribute::VT_ELSE_BRANCH, else_branch);
+  }
+  explicit CondIfAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  CondIfAttributeBuilder &operator=(const CondIfAttributeBuilder &);
+  flatbuffers::Offset<CondIfAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<CondIfAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<CondIfAttribute> CreateCondIfAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<flatbuffers::String> then_branch = 0,
+    flatbuffers::Offset<flatbuffers::String> else_branch = 0) {
+  CondIfAttributeBuilder builder_(_fbb);
+  builder_.add_else_branch(else_branch);
+  builder_.add_then_branch(then_branch);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<CondIfAttribute> CreateCondIfAttributeDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    const char *then_branch = nullptr,
+    const char *else_branch = nullptr) {
+  auto then_branch__ = then_branch ? _fbb.CreateString(then_branch) : 0;
+  auto else_branch__ = else_branch ? _fbb.CreateString(else_branch) : 0;
+  return tosa::CreateCondIfAttribute(
+      _fbb,
+      then_branch__,
+      else_branch__);
+}
+
+struct WhileLoopAttribute FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef WhileLoopAttributeBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_COND_BRANCH = 4,
+    VT_BODY_BRANCH = 6
+  };
+  const flatbuffers::String *cond_branch() const {
+    return GetPointer<const flatbuffers::String *>(VT_COND_BRANCH);
+  }
+  const flatbuffers::String *body_branch() const {
+    return GetPointer<const flatbuffers::String *>(VT_BODY_BRANCH);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_COND_BRANCH) &&
+           verifier.VerifyString(cond_branch()) &&
+           VerifyOffset(verifier, VT_BODY_BRANCH) &&
+           verifier.VerifyString(body_branch()) &&
+           verifier.EndTable();
+  }
+};
+
+struct WhileLoopAttributeBuilder {
+  typedef WhileLoopAttribute Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_cond_branch(flatbuffers::Offset<flatbuffers::String> cond_branch) {
+    fbb_.AddOffset(WhileLoopAttribute::VT_COND_BRANCH, cond_branch);
+  }
+  void add_body_branch(flatbuffers::Offset<flatbuffers::String> body_branch) {
+    fbb_.AddOffset(WhileLoopAttribute::VT_BODY_BRANCH, body_branch);
+  }
+  explicit WhileLoopAttributeBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  WhileLoopAttributeBuilder &operator=(const WhileLoopAttributeBuilder &);
+  flatbuffers::Offset<WhileLoopAttribute> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<WhileLoopAttribute>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<WhileLoopAttribute> CreateWhileLoopAttribute(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<flatbuffers::String> cond_branch = 0,
+    flatbuffers::Offset<flatbuffers::String> body_branch = 0) {
+  WhileLoopAttributeBuilder builder_(_fbb);
+  builder_.add_body_branch(body_branch);
+  builder_.add_cond_branch(cond_branch);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<WhileLoopAttribute> CreateWhileLoopAttributeDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    const char *cond_branch = nullptr,
+    const char *body_branch = nullptr) {
+  auto cond_branch__ = cond_branch ? _fbb.CreateString(cond_branch) : 0;
+  auto body_branch__ = body_branch ? _fbb.CreateString(body_branch) : 0;
+  return tosa::CreateWhileLoopAttribute(
+      _fbb,
+      cond_branch__,
+      body_branch__);
+}
+
+struct UnaryQuantInfo FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef UnaryQuantInfoBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_INPUT_ZP = 4,
+    VT_OUTPUT_ZP = 6
+  };
+  int32_t input_zp() const {
+    return GetField<int32_t>(VT_INPUT_ZP, 0);
+  }
+  int32_t output_zp() const {
+    return GetField<int32_t>(VT_OUTPUT_ZP, 0);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyField<int32_t>(verifier, VT_INPUT_ZP) &&
+           VerifyField<int32_t>(verifier, VT_OUTPUT_ZP) &&
+           verifier.EndTable();
+  }
+};
+
+struct UnaryQuantInfoBuilder {
+  typedef UnaryQuantInfo Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_input_zp(int32_t input_zp) {
+    fbb_.AddElement<int32_t>(UnaryQuantInfo::VT_INPUT_ZP, input_zp, 0);
+  }
+  void add_output_zp(int32_t output_zp) {
+    fbb_.AddElement<int32_t>(UnaryQuantInfo::VT_OUTPUT_ZP, output_zp, 0);
+  }
+  explicit UnaryQuantInfoBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  UnaryQuantInfoBuilder &operator=(const UnaryQuantInfoBuilder &);
+  flatbuffers::Offset<UnaryQuantInfo> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<UnaryQuantInfo>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<UnaryQuantInfo> CreateUnaryQuantInfo(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    int32_t input_zp = 0,
+    int32_t output_zp = 0) {
+  UnaryQuantInfoBuilder builder_(_fbb);
+  builder_.add_output_zp(output_zp);
+  builder_.add_input_zp(input_zp);
+  return builder_.Finish();
+}
+
+struct ConvQuantInfo FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef ConvQuantInfoBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_INPUT_ZP = 4,
+    VT_WEIGHT_ZP = 6
+  };
+  int32_t input_zp() const {
+    return GetField<int32_t>(VT_INPUT_ZP, 0);
+  }
+  int32_t weight_zp() const {
+    return GetField<int32_t>(VT_WEIGHT_ZP, 0);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyField<int32_t>(verifier, VT_INPUT_ZP) &&
+           VerifyField<int32_t>(verifier, VT_WEIGHT_ZP) &&
+           verifier.EndTable();
+  }
+};
+
+struct ConvQuantInfoBuilder {
+  typedef ConvQuantInfo Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_input_zp(int32_t input_zp) {
+    fbb_.AddElement<int32_t>(ConvQuantInfo::VT_INPUT_ZP, input_zp, 0);
+  }
+  void add_weight_zp(int32_t weight_zp) {
+    fbb_.AddElement<int32_t>(ConvQuantInfo::VT_WEIGHT_ZP, weight_zp, 0);
+  }
+  explicit ConvQuantInfoBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  ConvQuantInfoBuilder &operator=(const ConvQuantInfoBuilder &);
+  flatbuffers::Offset<ConvQuantInfo> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<ConvQuantInfo>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<ConvQuantInfo> CreateConvQuantInfo(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    int32_t input_zp = 0,
+    int32_t weight_zp = 0) {
+  ConvQuantInfoBuilder builder_(_fbb);
+  builder_.add_weight_zp(weight_zp);
+  builder_.add_input_zp(input_zp);
+  return builder_.Finish();
+}
+
+struct MatMulQuantInfo FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef MatMulQuantInfoBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_A_ZP = 4,
+    VT_B_ZP = 6
+  };
+  int32_t a_zp() const {
+    return GetField<int32_t>(VT_A_ZP, 0);
+  }
+  int32_t b_zp() const {
+    return GetField<int32_t>(VT_B_ZP, 0);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyField<int32_t>(verifier, VT_A_ZP) &&
+           VerifyField<int32_t>(verifier, VT_B_ZP) &&
+           verifier.EndTable();
+  }
+};
+
+struct MatMulQuantInfoBuilder {
+  typedef MatMulQuantInfo Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_a_zp(int32_t a_zp) {
+    fbb_.AddElement<int32_t>(MatMulQuantInfo::VT_A_ZP, a_zp, 0);
+  }
+  void add_b_zp(int32_t b_zp) {
+    fbb_.AddElement<int32_t>(MatMulQuantInfo::VT_B_ZP, b_zp, 0);
+  }
+  explicit MatMulQuantInfoBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  MatMulQuantInfoBuilder &operator=(const MatMulQuantInfoBuilder &);
+  flatbuffers::Offset<MatMulQuantInfo> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<MatMulQuantInfo>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<MatMulQuantInfo> CreateMatMulQuantInfo(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    int32_t a_zp = 0,
+    int32_t b_zp = 0) {
+  MatMulQuantInfoBuilder builder_(_fbb);
+  builder_.add_b_zp(b_zp);
+  builder_.add_a_zp(a_zp);
+  return builder_.Finish();
+}
+
+struct PadQuantInfo FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef PadQuantInfoBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_INPUT_ZP = 4
+  };
+  int32_t input_zp() const {
+    return GetField<int32_t>(VT_INPUT_ZP, 0);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyField<int32_t>(verifier, VT_INPUT_ZP) &&
+           verifier.EndTable();
+  }
+};
+
+struct PadQuantInfoBuilder {
+  typedef PadQuantInfo Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_input_zp(int32_t input_zp) {
+    fbb_.AddElement<int32_t>(PadQuantInfo::VT_INPUT_ZP, input_zp, 0);
+  }
+  explicit PadQuantInfoBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  PadQuantInfoBuilder &operator=(const PadQuantInfoBuilder &);
+  flatbuffers::Offset<PadQuantInfo> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<PadQuantInfo>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<PadQuantInfo> CreatePadQuantInfo(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    int32_t input_zp = 0) {
+  PadQuantInfoBuilder builder_(_fbb);
+  builder_.add_input_zp(input_zp);
+  return builder_.Finish();
+}
+
+struct Version FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef VersionBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT__MAJOR = 4,
+    VT__MINOR = 6,
+    VT__PATCH = 8,
+    VT__EXPERIMENTAL = 10
+  };
+  int32_t _major() const {
+    return GetField<int32_t>(VT__MAJOR, 0);
+  }
+  int32_t _minor() const {
+    return GetField<int32_t>(VT__MINOR, 21);
+  }
+  int32_t _patch() const {
+    return GetField<int32_t>(VT__PATCH, 0);
+  }
+  bool _experimental() const {
+    return GetField<uint8_t>(VT__EXPERIMENTAL, 0) != 0;
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyField<int32_t>(verifier, VT__MAJOR) &&
+           VerifyField<int32_t>(verifier, VT__MINOR) &&
+           VerifyField<int32_t>(verifier, VT__PATCH) &&
+           VerifyField<uint8_t>(verifier, VT__EXPERIMENTAL) &&
+           verifier.EndTable();
+  }
+};
+
+struct VersionBuilder {
+  typedef Version Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add__major(int32_t _major) {
+    fbb_.AddElement<int32_t>(Version::VT__MAJOR, _major, 0);
+  }
+  void add__minor(int32_t _minor) {
+    fbb_.AddElement<int32_t>(Version::VT__MINOR, _minor, 21);
+  }
+  void add__patch(int32_t _patch) {
+    fbb_.AddElement<int32_t>(Version::VT__PATCH, _patch, 0);
+  }
+  void add__experimental(bool _experimental) {
+    fbb_.AddElement<uint8_t>(Version::VT__EXPERIMENTAL, static_cast<uint8_t>(_experimental), 0);
+  }
+  explicit VersionBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  VersionBuilder &operator=(const VersionBuilder &);
+  flatbuffers::Offset<Version> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<Version>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<Version> CreateVersion(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    int32_t _major = 0,
+    int32_t _minor = 21,
+    int32_t _patch = 0,
+    bool _experimental = false) {
+  VersionBuilder builder_(_fbb);
+  builder_.add__patch(_patch);
+  builder_.add__minor(_minor);
+  builder_.add__major(_major);
+  builder_.add__experimental(_experimental);
+  return builder_.Finish();
+}
+
+struct TosaTensor FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef TosaTensorBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_NAME = 4,
+    VT_SHAPE = 6,
+    VT_TYPE = 8,
+    VT_NPY_FILENAME = 10
+  };
+  const flatbuffers::String *name() const {
+    return GetPointer<const flatbuffers::String *>(VT_NAME);
+  }
+  const flatbuffers::Vector<int32_t> *shape() const {
+    return GetPointer<const flatbuffers::Vector<int32_t> *>(VT_SHAPE);
+  }
+  tosa::DType type() const {
+    return static_cast<tosa::DType>(GetField<uint32_t>(VT_TYPE, 0));
+  }
+  const flatbuffers::String *npy_filename() const {
+    return GetPointer<const flatbuffers::String *>(VT_NPY_FILENAME);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_NAME) &&
+           verifier.VerifyString(name()) &&
+           VerifyOffset(verifier, VT_SHAPE) &&
+           verifier.VerifyVector(shape()) &&
+           VerifyField<uint32_t>(verifier, VT_TYPE) &&
+           VerifyOffset(verifier, VT_NPY_FILENAME) &&
+           verifier.VerifyString(npy_filename()) &&
+           verifier.EndTable();
+  }
+};
+
+struct TosaTensorBuilder {
+  typedef TosaTensor Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_name(flatbuffers::Offset<flatbuffers::String> name) {
+    fbb_.AddOffset(TosaTensor::VT_NAME, name);
+  }
+  void add_shape(flatbuffers::Offset<flatbuffers::Vector<int32_t>> shape) {
+    fbb_.AddOffset(TosaTensor::VT_SHAPE, shape);
+  }
+  void add_type(tosa::DType type) {
+    fbb_.AddElement<uint32_t>(TosaTensor::VT_TYPE, static_cast<uint32_t>(type), 0);
+  }
+  void add_npy_filename(flatbuffers::Offset<flatbuffers::String> npy_filename) {
+    fbb_.AddOffset(TosaTensor::VT_NPY_FILENAME, npy_filename);
+  }
+  explicit TosaTensorBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  TosaTensorBuilder &operator=(const TosaTensorBuilder &);
+  flatbuffers::Offset<TosaTensor> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<TosaTensor>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<TosaTensor> CreateTosaTensor(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<flatbuffers::String> name = 0,
+    flatbuffers::Offset<flatbuffers::Vector<int32_t>> shape = 0,
+    tosa::DType type = tosa::DType_UNKNOWN,
+    flatbuffers::Offset<flatbuffers::String> npy_filename = 0) {
+  TosaTensorBuilder builder_(_fbb);
+  builder_.add_npy_filename(npy_filename);
+  builder_.add_type(type);
+  builder_.add_shape(shape);
+  builder_.add_name(name);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<TosaTensor> CreateTosaTensorDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    const char *name = nullptr,
+    const std::vector<int32_t> *shape = nullptr,
+    tosa::DType type = tosa::DType_UNKNOWN,
+    const char *npy_filename = nullptr) {
+  auto name__ = name ? _fbb.CreateString(name) : 0;
+  auto shape__ = shape ? _fbb.CreateVector<int32_t>(*shape) : 0;
+  auto npy_filename__ = npy_filename ? _fbb.CreateString(npy_filename) : 0;
+  return tosa::CreateTosaTensor(
+      _fbb,
+      name__,
+      shape__,
+      type,
+      npy_filename__);
+}
+
+struct TosaOperator FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef TosaOperatorBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_OP = 4,
+    VT_ATTRIBUTE_TYPE = 6,
+    VT_ATTRIBUTE = 8,
+    VT_INPUTS = 10,
+    VT_OUTPUTS = 12,
+    VT_QUANT_INFO_TYPE = 14,
+    VT_QUANT_INFO = 16
+  };
+  tosa::Op op() const {
+    return static_cast<tosa::Op>(GetField<uint32_t>(VT_OP, 0));
+  }
+  tosa::Attribute attribute_type() const {
+    return static_cast<tosa::Attribute>(GetField<uint8_t>(VT_ATTRIBUTE_TYPE, 0));
+  }
+  const void *attribute() const {
+    return GetPointer<const void *>(VT_ATTRIBUTE);
+  }
+  template<typename T> const T *attribute_as() const;
+  const tosa::Pool2dAttribute *attribute_as_Pool2dAttribute() const {
+    return attribute_type() == tosa::Attribute_Pool2dAttribute ? static_cast<const tosa::Pool2dAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::Conv2dAttribute *attribute_as_Conv2dAttribute() const {
+    return attribute_type() == tosa::Attribute_Conv2dAttribute ? static_cast<const tosa::Conv2dAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::TransposeConv2dAttribute *attribute_as_TransposeConv2dAttribute() const {
+    return attribute_type() == tosa::Attribute_TransposeConv2dAttribute ? static_cast<const tosa::TransposeConv2dAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::ReluNAttribute *attribute_as_ReluNAttribute() const {
+    return attribute_type() == tosa::Attribute_ReluNAttribute ? static_cast<const tosa::ReluNAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::AxisAttribute *attribute_as_AxisAttribute() const {
+    return attribute_type() == tosa::Attribute_AxisAttribute ? static_cast<const tosa::AxisAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::ReshapeAttribute *attribute_as_ReshapeAttribute() const {
+    return attribute_type() == tosa::Attribute_ReshapeAttribute ? static_cast<const tosa::ReshapeAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::SliceAttribute *attribute_as_SliceAttribute() const {
+    return attribute_type() == tosa::Attribute_SliceAttribute ? static_cast<const tosa::SliceAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::TileAttribute *attribute_as_TileAttribute() const {
+    return attribute_type() == tosa::Attribute_TileAttribute ? static_cast<const tosa::TileAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::ResizeAttribute *attribute_as_ResizeAttribute() const {
+    return attribute_type() == tosa::Attribute_ResizeAttribute ? static_cast<const tosa::ResizeAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::ClampAttribute *attribute_as_ClampAttribute() const {
+    return attribute_type() == tosa::Attribute_ClampAttribute ? static_cast<const tosa::ClampAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::RescaleAttribute *attribute_as_RescaleAttribute() const {
+    return attribute_type() == tosa::Attribute_RescaleAttribute ? static_cast<const tosa::RescaleAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::MulAttribute *attribute_as_MulAttribute() const {
+    return attribute_type() == tosa::Attribute_MulAttribute ? static_cast<const tosa::MulAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::ArithmeticRightShiftAttribute *attribute_as_ArithmeticRightShiftAttribute() const {
+    return attribute_type() == tosa::Attribute_ArithmeticRightShiftAttribute ? static_cast<const tosa::ArithmeticRightShiftAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::CondIfAttribute *attribute_as_CondIfAttribute() const {
+    return attribute_type() == tosa::Attribute_CondIfAttribute ? static_cast<const tosa::CondIfAttribute *>(attribute()) : nullptr;
+  }
+  const tosa::WhileLoopAttribute *attribute_as_WhileLoopAttribute() const {
+    return attribute_type() == tosa::Attribute_WhileLoopAttribute ? static_cast<const tosa::WhileLoopAttribute *>(attribute()) : nullptr;
+  }
+  const flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>> *inputs() const {
+    return GetPointer<const flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>> *>(VT_INPUTS);
+  }
+  const flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>> *outputs() const {
+    return GetPointer<const flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>> *>(VT_OUTPUTS);
+  }
+  tosa::QuantInfo quant_info_type() const {
+    return static_cast<tosa::QuantInfo>(GetField<uint8_t>(VT_QUANT_INFO_TYPE, 0));
+  }
+  const void *quant_info() const {
+    return GetPointer<const void *>(VT_QUANT_INFO);
+  }
+  template<typename T> const T *quant_info_as() const;
+  const tosa::UnaryQuantInfo *quant_info_as_UnaryQuantInfo() const {
+    return quant_info_type() == tosa::QuantInfo_UnaryQuantInfo ? static_cast<const tosa::UnaryQuantInfo *>(quant_info()) : nullptr;
+  }
+  const tosa::ConvQuantInfo *quant_info_as_ConvQuantInfo() const {
+    return quant_info_type() == tosa::QuantInfo_ConvQuantInfo ? static_cast<const tosa::ConvQuantInfo *>(quant_info()) : nullptr;
+  }
+  const tosa::MatMulQuantInfo *quant_info_as_MatMulQuantInfo() const {
+    return quant_info_type() == tosa::QuantInfo_MatMulQuantInfo ? static_cast<const tosa::MatMulQuantInfo *>(quant_info()) : nullptr;
+  }
+  const tosa::PadQuantInfo *quant_info_as_PadQuantInfo() const {
+    return quant_info_type() == tosa::QuantInfo_PadQuantInfo ? static_cast<const tosa::PadQuantInfo *>(quant_info()) : nullptr;
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyField<uint32_t>(verifier, VT_OP) &&
+           VerifyField<uint8_t>(verifier, VT_ATTRIBUTE_TYPE) &&
+           VerifyOffset(verifier, VT_ATTRIBUTE) &&
+           VerifyAttribute(verifier, attribute(), attribute_type()) &&
+           VerifyOffset(verifier, VT_INPUTS) &&
+           verifier.VerifyVector(inputs()) &&
+           verifier.VerifyVectorOfStrings(inputs()) &&
+           VerifyOffset(verifier, VT_OUTPUTS) &&
+           verifier.VerifyVector(outputs()) &&
+           verifier.VerifyVectorOfStrings(outputs()) &&
+           VerifyField<uint8_t>(verifier, VT_QUANT_INFO_TYPE) &&
+           VerifyOffset(verifier, VT_QUANT_INFO) &&
+           VerifyQuantInfo(verifier, quant_info(), quant_info_type()) &&
+           verifier.EndTable();
+  }
+};
+
+template<> inline const tosa::Pool2dAttribute *TosaOperator::attribute_as<tosa::Pool2dAttribute>() const {
+  return attribute_as_Pool2dAttribute();
+}
+
+template<> inline const tosa::Conv2dAttribute *TosaOperator::attribute_as<tosa::Conv2dAttribute>() const {
+  return attribute_as_Conv2dAttribute();
+}
+
+template<> inline const tosa::TransposeConv2dAttribute *TosaOperator::attribute_as<tosa::TransposeConv2dAttribute>() const {
+  return attribute_as_TransposeConv2dAttribute();
+}
+
+template<> inline const tosa::ReluNAttribute *TosaOperator::attribute_as<tosa::ReluNAttribute>() const {
+  return attribute_as_ReluNAttribute();
+}
+
+template<> inline const tosa::AxisAttribute *TosaOperator::attribute_as<tosa::AxisAttribute>() const {
+  return attribute_as_AxisAttribute();
+}
+
+template<> inline const tosa::ReshapeAttribute *TosaOperator::attribute_as<tosa::ReshapeAttribute>() const {
+  return attribute_as_ReshapeAttribute();
+}
+
+template<> inline const tosa::SliceAttribute *TosaOperator::attribute_as<tosa::SliceAttribute>() const {
+  return attribute_as_SliceAttribute();
+}
+
+template<> inline const tosa::TileAttribute *TosaOperator::attribute_as<tosa::TileAttribute>() const {
+  return attribute_as_TileAttribute();
+}
+
+template<> inline const tosa::ResizeAttribute *TosaOperator::attribute_as<tosa::ResizeAttribute>() const {
+  return attribute_as_ResizeAttribute();
+}
+
+template<> inline const tosa::ClampAttribute *TosaOperator::attribute_as<tosa::ClampAttribute>() const {
+  return attribute_as_ClampAttribute();
+}
+
+template<> inline const tosa::RescaleAttribute *TosaOperator::attribute_as<tosa::RescaleAttribute>() const {
+  return attribute_as_RescaleAttribute();
+}
+
+template<> inline const tosa::MulAttribute *TosaOperator::attribute_as<tosa::MulAttribute>() const {
+  return attribute_as_MulAttribute();
+}
+
+template<> inline const tosa::ArithmeticRightShiftAttribute *TosaOperator::attribute_as<tosa::ArithmeticRightShiftAttribute>() const {
+  return attribute_as_ArithmeticRightShiftAttribute();
+}
+
+template<> inline const tosa::CondIfAttribute *TosaOperator::attribute_as<tosa::CondIfAttribute>() const {
+  return attribute_as_CondIfAttribute();
+}
+
+template<> inline const tosa::WhileLoopAttribute *TosaOperator::attribute_as<tosa::WhileLoopAttribute>() const {
+  return attribute_as_WhileLoopAttribute();
+}
+
+template<> inline const tosa::UnaryQuantInfo *TosaOperator::quant_info_as<tosa::UnaryQuantInfo>() const {
+  return quant_info_as_UnaryQuantInfo();
+}
+
+template<> inline const tosa::ConvQuantInfo *TosaOperator::quant_info_as<tosa::ConvQuantInfo>() const {
+  return quant_info_as_ConvQuantInfo();
+}
+
+template<> inline const tosa::MatMulQuantInfo *TosaOperator::quant_info_as<tosa::MatMulQuantInfo>() const {
+  return quant_info_as_MatMulQuantInfo();
+}
+
+template<> inline const tosa::PadQuantInfo *TosaOperator::quant_info_as<tosa::PadQuantInfo>() const {
+  return quant_info_as_PadQuantInfo();
+}
+
+struct TosaOperatorBuilder {
+  typedef TosaOperator Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_op(tosa::Op op) {
+    fbb_.AddElement<uint32_t>(TosaOperator::VT_OP, static_cast<uint32_t>(op), 0);
+  }
+  void add_attribute_type(tosa::Attribute attribute_type) {
+    fbb_.AddElement<uint8_t>(TosaOperator::VT_ATTRIBUTE_TYPE, static_cast<uint8_t>(attribute_type), 0);
+  }
+  void add_attribute(flatbuffers::Offset<void> attribute) {
+    fbb_.AddOffset(TosaOperator::VT_ATTRIBUTE, attribute);
+  }
+  void add_inputs(flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>>> inputs) {
+    fbb_.AddOffset(TosaOperator::VT_INPUTS, inputs);
+  }
+  void add_outputs(flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>>> outputs) {
+    fbb_.AddOffset(TosaOperator::VT_OUTPUTS, outputs);
+  }
+  void add_quant_info_type(tosa::QuantInfo quant_info_type) {
+    fbb_.AddElement<uint8_t>(TosaOperator::VT_QUANT_INFO_TYPE, static_cast<uint8_t>(quant_info_type), 0);
+  }
+  void add_quant_info(flatbuffers::Offset<void> quant_info) {
+    fbb_.AddOffset(TosaOperator::VT_QUANT_INFO, quant_info);
+  }
+  explicit TosaOperatorBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  TosaOperatorBuilder &operator=(const TosaOperatorBuilder &);
+  flatbuffers::Offset<TosaOperator> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<TosaOperator>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<TosaOperator> CreateTosaOperator(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    tosa::Op op = tosa::Op_UNKNOWN,
+    tosa::Attribute attribute_type = tosa::Attribute_NONE,
+    flatbuffers::Offset<void> attribute = 0,
+    flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>>> inputs = 0,
+    flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>>> outputs = 0,
+    tosa::QuantInfo quant_info_type = tosa::QuantInfo_NONE,
+    flatbuffers::Offset<void> quant_info = 0) {
+  TosaOperatorBuilder builder_(_fbb);
+  builder_.add_quant_info(quant_info);
+  builder_.add_outputs(outputs);
+  builder_.add_inputs(inputs);
+  builder_.add_attribute(attribute);
+  builder_.add_op(op);
+  builder_.add_quant_info_type(quant_info_type);
+  builder_.add_attribute_type(attribute_type);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<TosaOperator> CreateTosaOperatorDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    tosa::Op op = tosa::Op_UNKNOWN,
+    tosa::Attribute attribute_type = tosa::Attribute_NONE,
+    flatbuffers::Offset<void> attribute = 0,
+    const std::vector<flatbuffers::Offset<flatbuffers::String>> *inputs = nullptr,
+    const std::vector<flatbuffers::Offset<flatbuffers::String>> *outputs = nullptr,
+    tosa::QuantInfo quant_info_type = tosa::QuantInfo_NONE,
+    flatbuffers::Offset<void> quant_info = 0) {
+  auto inputs__ = inputs ? _fbb.CreateVector<flatbuffers::Offset<flatbuffers::String>>(*inputs) : 0;
+  auto outputs__ = outputs ? _fbb.CreateVector<flatbuffers::Offset<flatbuffers::String>>(*outputs) : 0;
+  return tosa::CreateTosaOperator(
+      _fbb,
+      op,
+      attribute_type,
+      attribute,
+      inputs__,
+      outputs__,
+      quant_info_type,
+      quant_info);
+}
+
+struct TosaBasicBlock FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef TosaBasicBlockBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_NAME = 4,
+    VT_OPERATORS = 6,
+    VT_TENSORS = 8,
+    VT_INPUTS = 10,
+    VT_OUTPUTS = 12
+  };
+  const flatbuffers::String *name() const {
+    return GetPointer<const flatbuffers::String *>(VT_NAME);
+  }
+  const flatbuffers::Vector<flatbuffers::Offset<tosa::TosaOperator>> *operators() const {
+    return GetPointer<const flatbuffers::Vector<flatbuffers::Offset<tosa::TosaOperator>> *>(VT_OPERATORS);
+  }
+  const flatbuffers::Vector<flatbuffers::Offset<tosa::TosaTensor>> *tensors() const {
+    return GetPointer<const flatbuffers::Vector<flatbuffers::Offset<tosa::TosaTensor>> *>(VT_TENSORS);
+  }
+  const flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>> *inputs() const {
+    return GetPointer<const flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>> *>(VT_INPUTS);
+  }
+  const flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>> *outputs() const {
+    return GetPointer<const flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>> *>(VT_OUTPUTS);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_NAME) &&
+           verifier.VerifyString(name()) &&
+           VerifyOffset(verifier, VT_OPERATORS) &&
+           verifier.VerifyVector(operators()) &&
+           verifier.VerifyVectorOfTables(operators()) &&
+           VerifyOffset(verifier, VT_TENSORS) &&
+           verifier.VerifyVector(tensors()) &&
+           verifier.VerifyVectorOfTables(tensors()) &&
+           VerifyOffset(verifier, VT_INPUTS) &&
+           verifier.VerifyVector(inputs()) &&
+           verifier.VerifyVectorOfStrings(inputs()) &&
+           VerifyOffset(verifier, VT_OUTPUTS) &&
+           verifier.VerifyVector(outputs()) &&
+           verifier.VerifyVectorOfStrings(outputs()) &&
+           verifier.EndTable();
+  }
+};
+
+struct TosaBasicBlockBuilder {
+  typedef TosaBasicBlock Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_name(flatbuffers::Offset<flatbuffers::String> name) {
+    fbb_.AddOffset(TosaBasicBlock::VT_NAME, name);
+  }
+  void add_operators(flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<tosa::TosaOperator>>> operators) {
+    fbb_.AddOffset(TosaBasicBlock::VT_OPERATORS, operators);
+  }
+  void add_tensors(flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<tosa::TosaTensor>>> tensors) {
+    fbb_.AddOffset(TosaBasicBlock::VT_TENSORS, tensors);
+  }
+  void add_inputs(flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>>> inputs) {
+    fbb_.AddOffset(TosaBasicBlock::VT_INPUTS, inputs);
+  }
+  void add_outputs(flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>>> outputs) {
+    fbb_.AddOffset(TosaBasicBlock::VT_OUTPUTS, outputs);
+  }
+  explicit TosaBasicBlockBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  TosaBasicBlockBuilder &operator=(const TosaBasicBlockBuilder &);
+  flatbuffers::Offset<TosaBasicBlock> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<TosaBasicBlock>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<TosaBasicBlock> CreateTosaBasicBlock(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<flatbuffers::String> name = 0,
+    flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<tosa::TosaOperator>>> operators = 0,
+    flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<tosa::TosaTensor>>> tensors = 0,
+    flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>>> inputs = 0,
+    flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<flatbuffers::String>>> outputs = 0) {
+  TosaBasicBlockBuilder builder_(_fbb);
+  builder_.add_outputs(outputs);
+  builder_.add_inputs(inputs);
+  builder_.add_tensors(tensors);
+  builder_.add_operators(operators);
+  builder_.add_name(name);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<TosaBasicBlock> CreateTosaBasicBlockDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    const char *name = nullptr,
+    const std::vector<flatbuffers::Offset<tosa::TosaOperator>> *operators = nullptr,
+    const std::vector<flatbuffers::Offset<tosa::TosaTensor>> *tensors = nullptr,
+    const std::vector<flatbuffers::Offset<flatbuffers::String>> *inputs = nullptr,
+    const std::vector<flatbuffers::Offset<flatbuffers::String>> *outputs = nullptr) {
+  auto name__ = name ? _fbb.CreateString(name) : 0;
+  auto operators__ = operators ? _fbb.CreateVector<flatbuffers::Offset<tosa::TosaOperator>>(*operators) : 0;
+  auto tensors__ = tensors ? _fbb.CreateVector<flatbuffers::Offset<tosa::TosaTensor>>(*tensors) : 0;
+  auto inputs__ = inputs ? _fbb.CreateVector<flatbuffers::Offset<flatbuffers::String>>(*inputs) : 0;
+  auto outputs__ = outputs ? _fbb.CreateVector<flatbuffers::Offset<flatbuffers::String>>(*outputs) : 0;
+  return tosa::CreateTosaBasicBlock(
+      _fbb,
+      name__,
+      operators__,
+      tensors__,
+      inputs__,
+      outputs__);
+}
+
+struct TosaGraph FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef TosaGraphBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_VERSION = 4,
+    VT_BLOCKS = 6
+  };
+  const tosa::Version *version() const {
+    return GetPointer<const tosa::Version *>(VT_VERSION);
+  }
+  const flatbuffers::Vector<flatbuffers::Offset<tosa::TosaBasicBlock>> *blocks() const {
+    return GetPointer<const flatbuffers::Vector<flatbuffers::Offset<tosa::TosaBasicBlock>> *>(VT_BLOCKS);
+  }
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_VERSION) &&
+           verifier.VerifyTable(version()) &&
+           VerifyOffset(verifier, VT_BLOCKS) &&
+           verifier.VerifyVector(blocks()) &&
+           verifier.VerifyVectorOfTables(blocks()) &&
+           verifier.EndTable();
+  }
+};
+
+struct TosaGraphBuilder {
+  typedef TosaGraph Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  void add_version(flatbuffers::Offset<tosa::Version> version) {
+    fbb_.AddOffset(TosaGraph::VT_VERSION, version);
+  }
+  void add_blocks(flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<tosa::TosaBasicBlock>>> blocks) {
+    fbb_.AddOffset(TosaGraph::VT_BLOCKS, blocks);
+  }
+  explicit TosaGraphBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  TosaGraphBuilder &operator=(const TosaGraphBuilder &);
+  flatbuffers::Offset<TosaGraph> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<TosaGraph>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<TosaGraph> CreateTosaGraph(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<tosa::Version> version = 0,
+    flatbuffers::Offset<flatbuffers::Vector<flatbuffers::Offset<tosa::TosaBasicBlock>>> blocks = 0) {
+  TosaGraphBuilder builder_(_fbb);
+  builder_.add_blocks(blocks);
+  builder_.add_version(version);
+  return builder_.Finish();
+}
+
+inline flatbuffers::Offset<TosaGraph> CreateTosaGraphDirect(
+    flatbuffers::FlatBufferBuilder &_fbb,
+    flatbuffers::Offset<tosa::Version> version = 0,
+    const std::vector<flatbuffers::Offset<tosa::TosaBasicBlock>> *blocks = nullptr) {
+  auto blocks__ = blocks ? _fbb.CreateVector<flatbuffers::Offset<tosa::TosaBasicBlock>>(*blocks) : 0;
+  return tosa::CreateTosaGraph(
+      _fbb,
+      version,
+      blocks__);
+}
+
+inline bool VerifyAttribute(flatbuffers::Verifier &verifier, const void *obj, Attribute type) {
+  switch (type) {
+    case Attribute_NONE: {
+      return true;
+    }
+    case Attribute_Pool2dAttribute: {
+      auto ptr = reinterpret_cast<const tosa::Pool2dAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_Conv2dAttribute: {
+      auto ptr = reinterpret_cast<const tosa::Conv2dAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_TransposeConv2dAttribute: {
+      auto ptr = reinterpret_cast<const tosa::TransposeConv2dAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_ReluNAttribute: {
+      auto ptr = reinterpret_cast<const tosa::ReluNAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_AxisAttribute: {
+      auto ptr = reinterpret_cast<const tosa::AxisAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_ReshapeAttribute: {
+      auto ptr = reinterpret_cast<const tosa::ReshapeAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_SliceAttribute: {
+      auto ptr = reinterpret_cast<const tosa::SliceAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_TileAttribute: {
+      auto ptr = reinterpret_cast<const tosa::TileAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_ResizeAttribute: {
+      auto ptr = reinterpret_cast<const tosa::ResizeAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_ClampAttribute: {
+      auto ptr = reinterpret_cast<const tosa::ClampAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_RescaleAttribute: {
+      auto ptr = reinterpret_cast<const tosa::RescaleAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_MulAttribute: {
+      auto ptr = reinterpret_cast<const tosa::MulAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_ArithmeticRightShiftAttribute: {
+      auto ptr = reinterpret_cast<const tosa::ArithmeticRightShiftAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_CondIfAttribute: {
+      auto ptr = reinterpret_cast<const tosa::CondIfAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case Attribute_WhileLoopAttribute: {
+      auto ptr = reinterpret_cast<const tosa::WhileLoopAttribute *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    default: return true;
+  }
+}
+
+inline bool VerifyAttributeVector(flatbuffers::Verifier &verifier, const flatbuffers::Vector<flatbuffers::Offset<void>> *values, const flatbuffers::Vector<uint8_t> *types) {
+  if (!values || !types) return !values && !types;
+  if (values->size() != types->size()) return false;
+  for (flatbuffers::uoffset_t i = 0; i < values->size(); ++i) {
+    if (!VerifyAttribute(
+        verifier,  values->Get(i), types->GetEnum<Attribute>(i))) {
+      return false;
+    }
+  }
+  return true;
+}
+
+inline bool VerifyQuantInfo(flatbuffers::Verifier &verifier, const void *obj, QuantInfo type) {
+  switch (type) {
+    case QuantInfo_NONE: {
+      return true;
+    }
+    case QuantInfo_UnaryQuantInfo: {
+      auto ptr = reinterpret_cast<const tosa::UnaryQuantInfo *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case QuantInfo_ConvQuantInfo: {
+      auto ptr = reinterpret_cast<const tosa::ConvQuantInfo *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case QuantInfo_MatMulQuantInfo: {
+      auto ptr = reinterpret_cast<const tosa::MatMulQuantInfo *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    case QuantInfo_PadQuantInfo: {
+      auto ptr = reinterpret_cast<const tosa::PadQuantInfo *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
+    default: return true;
+  }
+}
+
+inline bool VerifyQuantInfoVector(flatbuffers::Verifier &verifier, const flatbuffers::Vector<flatbuffers::Offset<void>> *values, const flatbuffers::Vector<uint8_t> *types) {
+  if (!values || !types) return !values && !types;
+  if (values->size() != types->size()) return false;
+  for (flatbuffers::uoffset_t i = 0; i < values->size(); ++i) {
+    if (!VerifyQuantInfo(
+        verifier,  values->Get(i), types->GetEnum<QuantInfo>(i))) {
+      return false;
+    }
+  }
+  return true;
+}
+
+inline const tosa::TosaGraph *GetTosaGraph(const void *buf) {
+  return flatbuffers::GetRoot<tosa::TosaGraph>(buf);
+}
+
+inline const tosa::TosaGraph *GetSizePrefixedTosaGraph(const void *buf) {
+  return flatbuffers::GetSizePrefixedRoot<tosa::TosaGraph>(buf);
+}
+
+inline const char *TosaGraphIdentifier() {
+  return "TOSA";
+}
+
+inline bool TosaGraphBufferHasIdentifier(const void *buf) {
+  return flatbuffers::BufferHasIdentifier(
+      buf, TosaGraphIdentifier());
+}
+
+inline bool VerifyTosaGraphBuffer(
+    flatbuffers::Verifier &verifier) {
+  return verifier.VerifyBuffer<tosa::TosaGraph>(TosaGraphIdentifier());
+}
+
+inline bool VerifySizePrefixedTosaGraphBuffer(
+    flatbuffers::Verifier &verifier) {
+  return verifier.VerifySizePrefixedBuffer<tosa::TosaGraph>(TosaGraphIdentifier());
+}
+
+inline const char *TosaGraphExtension() {
+  return "tosa";
+}
+
+inline void FinishTosaGraphBuffer(
+    flatbuffers::FlatBufferBuilder &fbb,
+    flatbuffers::Offset<tosa::TosaGraph> root) {
+  fbb.Finish(root, TosaGraphIdentifier());
+}
+
+inline void FinishSizePrefixedTosaGraphBuffer(
+    flatbuffers::FlatBufferBuilder &fbb,
+    flatbuffers::Offset<tosa::TosaGraph> root) {
+  fbb.FinishSizePrefixed(root, TosaGraphIdentifier());
+}
+
+}  // namespace tosa
+
+#endif  // FLATBUFFERS_GENERATED_TOSA_TOSA_H_
diff --git a/include/tosa_serialization_handler.h b/include/tosa_serialization_handler.h
new file mode 100644
index 0000000..398590d
--- /dev/null
+++ b/include/tosa_serialization_handler.h
@@ -0,0 +1,349 @@
+
+// Copyright (c) 2020-2021, ARM Limited.
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//         http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+#ifndef _TOSA_SERIALIZATION_HANDLER_H
+#define _TOSA_SERIALIZATION_HANDLER_H
+#include "attribute.h"
+#include "flatbuffers/idl.h"
+#include "flatbuffers/util.h"
+#include "numpy_utils.h"
+#include "quant_info.h"
+#include "tosa_generated.h"
+#include <cstdint>
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace tosa
+{
+
+enum tosa_err_t
+{
+    TOSA_OK,
+    TOSA_USER_ERROR,
+    TOSA_FILE_ERROR,
+    TOSA_MEMORY_ERROR,
+    TOSA_SCHEMA_MISSING,
+    TOSA_INTERNAL_ERROR,
+    TOSA_VERSION_MISMATCH,
+    NUM_TOSA_ERROR
+};
+
+struct TosaVersion
+{
+    int32_t _major;
+    int32_t _minor;
+    int32_t _patch;
+    bool _experimental;
+    bool _valid;
+
+    TosaVersion()
+    {
+        _valid = false;
+    }
+
+    TosaVersion(int32_t major, int32_t minor, int32_t patch, bool experimental)
+    {
+        set_version(major, minor, patch, experimental);
+    }
+
+    void set_version(int32_t major, int32_t minor, int32_t patch, bool experimental)
+    {
+        _major        = major;
+        _minor        = minor;
+        _patch        = patch;
+        _experimental = experimental;
+        _valid        = true;
+    }
+
+    std::string to_string() const
+    {
+        std::string str;
+        assert(_valid);
+        str += std::to_string(_major) + ".";
+        str += std::to_string(_minor) + ".";
+        str += std::to_string(_patch);
+        if (_experimental)
+            str += "(experimental)";
+        return str;
+    };
+
+    bool operator==(const TosaVersion& rhs)
+    {
+        assert(_valid);
+        if (!_valid)
+            return false;
+        if (rhs._major == _major && rhs._minor == _minor && rhs._patch == _patch && rhs._experimental == _experimental)
+        {
+            return true;
+        }
+        return false;
+    }
+
+    bool operator!=(const TosaVersion& rhs)
+    {
+        assert(_valid);
+        if (!_valid)
+            return true;
+        return !((*this) == rhs);
+    }
+};
+
+class TosaSerializationHandler;
+
+class TosaSerializationTensor
+{
+public:
+    // constructor and destructor
+    TosaSerializationTensor(const flatbuffers::String* name,
+                            const flatbuffers::Vector<int32_t>& shape,
+                            DType dtype,
+                            const flatbuffers::String* npy_filename);
+    TosaSerializationTensor(std::string& name,
+                            const std::vector<int32_t>& shape,
+                            DType dtype,
+                            const std::string& npy_filename);
+    TosaSerializationTensor();
+    ~TosaSerializationTensor();
+
+    // accessor
+    std::string GetName() const
+    {
+        return _name;
+    }
+    const std::vector<int32_t>& GetShape() const
+    {
+        return _shape;
+    }
+    DType GetDtype()
+    {
+        return _dtype;
+    }
+    const std::string& GetNpyFilePtr() const
+    {
+        return _npy_filename;
+    }
+
+    // modifier
+    void SetDtype(DType dtype)
+    {
+        _dtype = dtype;
+    }
+    void SetName(std::string name)
+    {
+        _name = name;
+    }
+
+private:
+    DType _dtype;                /* data type enumeration, see tosa_isa_generated.h */
+    std::vector<int32_t> _shape; /* shape of the tensor */
+    std::string _name;           /* name of the tensor, used for solving dependency */
+    std::string _npy_filename;   /* numpy array filename if not null. so null is the distinguisher */
+};
+
+class TosaSerializationOperator
+{
+public:
+    // use default copy, void constructor
+    // constructor and destructor
+    TosaSerializationOperator(Op op,
+                              Attribute attribute_type,
+                              const TosaAttributeBase* attribute,
+                              QuantInfo qinfo_type,
+                              const TosaQuantInfoBase* qinfo,
+                              std::vector<std::string> input_tensor_names,
+                              std::vector<std::string> output_tensor_names);
+    ~TosaSerializationOperator();
+
+    // accessor
+    Op GetOp() const
+    {
+        return _op;
+    }
+    Attribute GetAttributeType() const
+    {
+        return _attribute_type;
+    }
+    TosaAttributeBase* GetAttribute() const
+    {
+        return _attribute;
+    }
+    QuantInfo GetQInfoType() const
+    {
+        return _qinfo_type;
+    }
+    TosaQuantInfoBase* GetQInfo() const
+    {
+        return _qinfo;
+    }
+    std::vector<std::string>& GetInputTensorNames()
+    {
+        return _input_tensor_names;
+    }
+    std::vector<std::string>& GetOutputTensorNames()
+    {
+        return _output_tensor_names;
+    }
+
+private:
+    Op _op;                        /* operator enum, see tosa_isa_generated.h for enumeration table */
+    Attribute _attribute_type;     /* operator attribute enum, used for dynamic casting TosaAttributeBase class */
+    TosaAttributeBase* _attribute; /* real attribute class goes here */
+    QuantInfo _qinfo_type;         /* QuantInfo enum */
+    TosaQuantInfoBase* _qinfo;     /* base class pointer of QuantInfo */
+    std::vector<std::string> _input_tensor_names;  /* array of input tensor names */
+    std::vector<std::string> _output_tensor_names; /* array of output tensor names */
+};
+
+class TosaSerializationBasicBlock
+{
+public:
+    // constructor and destructor
+    TosaSerializationBasicBlock(std::string name,
+                                std::vector<TosaSerializationOperator*> operators,
+                                std::vector<TosaSerializationTensor*> tensors,
+                                std::vector<std::string> inputs,
+                                std::vector<std::string> outputs);
+    ~TosaSerializationBasicBlock();
+
+    // accessor
+    std::string GetName() const
+    {
+        return _name;
+    }
+    std::vector<TosaSerializationOperator*>& GetOperators()
+    {
+        return _operators;
+    }
+    std::vector<TosaSerializationTensor*>& GetTensors()
+    {
+        return _tensors;
+    }
+
+    TosaSerializationTensor* GetTensorByName(std::string name)
+    {
+        TosaSerializationTensor* result = nullptr;
+        for (auto tensor : GetTensors())
+        {
+            if (tensor->GetName() == name)
+            {
+                result = tensor;
+                break;
+            }
+        }
+        return result;
+    }
+
+    std::vector<std::string>& GetInputs()
+    {
+        return _inputs;
+    }
+    std::vector<std::string>& GetOutputs()
+    {
+        return _outputs;
+    }
+
+private:
+    std::string _name;                                  /* name of basic block */
+    std::vector<TosaSerializationOperator*> _operators; /* TosaSerializationOperator list */
+    std::vector<TosaSerializationTensor*> _tensors;     /* TosaSerializationTensor list */
+    std::vector<std::string> _inputs;                   /* array of string to specify block inputs */
+    std::vector<std::string> _outputs;                  /* array of string to specify block outputs */
+};
+
+/*
+ * this is a helper class for writing/reading Tosa ISA
+ * supported format: .tosa (flatbuffer), .json
+ * and provide high-level std::vector-like interface
+ * to access internal data structure
+ */
+class TosaSerializationHandler
+{
+public:
+    // constructor and destructor
+    TosaSerializationHandler();
+    ~TosaSerializationHandler();
+
+    // file io
+    tosa_err_t LoadFileJson(const char* filename);
+    tosa_err_t LoadFileTosaFlatbuffer(const char* filename);
+    tosa_err_t SaveFileJson(const char* filename);
+    tosa_err_t SaveFileTosaFlatbuffer(const char* filename);
+    tosa_err_t LoadFileSchema(const char* schema_filename);
+
+    // version
+    const TosaVersion& GetTosaVersion() const
+    {
+        return _version;
+    }
+
+    // accessor
+    std::vector<TosaSerializationBasicBlock*>& GetBlocks()
+    {
+        return _blocks;
+    }
+
+    TosaSerializationBasicBlock* GetBlockByName(std::string name)
+    {
+        TosaSerializationBasicBlock* result = nullptr;
+        for (auto block : GetBlocks())
+        {
+            if (block->GetName() == name)
+            {
+                result = block;
+                break;
+            }
+        }
+        return result;
+    }
+    TosaSerializationBasicBlock* GetMainBlock()
+    {
+        TosaSerializationBasicBlock* main_block = GetBlockByName(std::string("main"));
+        assert(main_block);
+        return main_block;
+    }
+
+    std::vector<std::string>& GetInputs()
+    {
+        return GetMainBlock()->GetInputs();
+    }
+    std::vector<std::string>& GetOutputs()
+    {
+        return GetMainBlock()->GetOutputs();
+    }
+
+    bool GetSchemaLoaded() const
+    {
+        return _schemaLoaded;
+    }
+
+protected:
+    tosa_err_t Clear();
+    tosa_err_t InitWithBuf(const uint8_t* buf);
+    tosa_err_t FreezeBuilder();
+    tosa_err_t SetTosaVersion();
+    tosa_err_t CheckTosaVersion(const TosaVersion& read_version);
+
+private:
+    TosaVersion _version;                              /* tosa version */
+    flatbuffers::FlatBufferBuilder _builder;           /* flatbuffer builder */
+    flatbuffers::Parser _parser;                       /* flatbuffer parser, used for json parsing */
+    std::vector<TosaSerializationBasicBlock*> _blocks; /* array structure to store all TosaSerializationBasicBlock */
+    bool _schemaLoaded;                                /* is the schema properly loaded? */
+};
+
+}    // namespace tosa
+
+#endif    // _TOSA_SERIALIZATION_HANDLER_H