COMPMID-1344 Add grouping support to CLWeightsReshapeKernel

Change-Id: Idde333308db71087ec234b3fd1eb4e36a44db46c
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/143049
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/CL/WeightsReshape.cpp b/tests/validation/CL/WeightsReshape.cpp
new file mode 100644
index 0000000..6dae0c7
--- /dev/null
+++ b/tests/validation/CL/WeightsReshape.cpp
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/core/CL/kernels/CLWeightsReshapeKernel.h"
+#include "arm_compute/core/Types.h"
+#include "tests/CL/Helper.h"
+
+#include "tests/CL/CLAccessor.h"
+#include "tests/datasets/ShapeDatasets.h"
+#include "tests/framework/Asserts.h"
+#include "tests/framework/Macros.h"
+#include "tests/framework/datasets/Datasets.h"
+#include "tests/validation/Validation.h"
+#include "tests/validation/fixtures/WeightsReshapeFixture.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+TEST_SUITE(CL)
+TEST_SUITE(WeightsReshape)
+
+using CLWeightsReshape = CLSynthetizeFunction<CLWeightsReshapeKernel>;
+
+// *INDENT-OFF*
+// clang-format off
+DATA_TEST_CASE(Validate, framework::DatasetMode::ALL, zip(zip(zip(
+               framework::dataset::make("InputInfo", { TensorInfo(TensorShape(3U, 3U, 2U, 4U), 1, DataType::U8),      // Unsupported data type
+                                                       TensorInfo(TensorShape(3U, 3U, 2U, 4U), 1, DataType::F32),     // Mismatching data type
+                                                       TensorInfo(TensorShape(3U, 3U, 2U, 4U), 1, DataType::QASYMM8), // Bias not supported with QASYMM8
+                                                       TensorInfo(TensorShape(3U, 3U, 2U, 4U), 1, DataType::F32),
+                                                     }),
+               framework::dataset::make("BiasesInfo", { TensorInfo(TensorShape(4U), 1, DataType::U8),
+                                                        TensorInfo(TensorShape(4U), 1, DataType::F16),
+                                                        TensorInfo(TensorShape(4U), 1, DataType::QASYMM8),
+                                                        TensorInfo(TensorShape(4U), 1, DataType::F32),
+                                                      })),
+               framework::dataset::make("OutputInfo", { TensorInfo(TensorShape(4U, 19U), 1, DataType::U8),
+                                                        TensorInfo(TensorShape(4U, 19U), 1, DataType::F16),
+                                                        TensorInfo(TensorShape(4U, 19U), 1, DataType::QASYMM8),
+                                                        TensorInfo(TensorShape(4U, 19U), 1, DataType::F32),
+                                                      })),
+               framework::dataset::make("Expected", { false, false, false, true })),
+               input_info, biases_info, output_info, expected)
+{
+    bool status = bool(CLWeightsReshape::validate(&input_info, &biases_info, &output_info));
+    ARM_COMPUTE_EXPECT(status == expected, framework::LogLevel::ERRORS);
+}
+// clang-format on
+// *INDENT-ON*
+
+template <typename T>
+using CLWeightsReshapeFixture = WeightsReshapeValidationFixture<CLTensor, CLAccessor, CLWeightsReshape, T>;
+
+TEST_SUITE(Float)
+TEST_SUITE(FP32)
+FIXTURE_DATA_TEST_CASE(RunSmall, CLWeightsReshapeFixture<float>, framework::DatasetMode::ALL, combine(combine(combine(datasets::GroupedWeightsSmallShapes(), framework::dataset::make("DataType",
+                                                                                                                      DataType::F32)),
+                                                                                                              framework::dataset::make("HasBias", { true, false })),
+                                                                                                      framework::dataset::make("NumGroups", { 1, 2, 3 })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference);
+}
+FIXTURE_DATA_TEST_CASE(RunLarge, CLWeightsReshapeFixture<float>, framework::DatasetMode::NIGHTLY, combine(combine(combine(datasets::GroupedWeightsLargeShapes(), framework::dataset::make("DataType",
+                                                                                                                  DataType::F32)),
+                                                                                                                  framework::dataset::make("HasBias", { true, false })),
+                                                                                                          framework::dataset::make("NumGroups", { 1, 2, 3 })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference);
+}
+TEST_SUITE_END()
+
+TEST_SUITE(FP16)
+FIXTURE_DATA_TEST_CASE(RunSmall, CLWeightsReshapeFixture<half>, framework::DatasetMode::ALL, combine(combine(combine(datasets::GroupedWeightsSmallShapes(), framework::dataset::make("DataType",
+                                                                                                                     DataType::F16)),
+                                                                                                             framework::dataset::make("HasBias", { true, false })),
+                                                                                                     framework::dataset::make("NumGroups", { 1, 2, 3 })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference);
+}
+FIXTURE_DATA_TEST_CASE(RunLarge, CLWeightsReshapeFixture<half>, framework::DatasetMode::NIGHTLY, combine(combine(combine(datasets::GroupedWeightsLargeShapes(), framework::dataset::make("DataType",
+                                                                                                                 DataType::F16)),
+                                                                                                                 framework::dataset::make("HasBias", { true, false })),
+                                                                                                         framework::dataset::make("NumGroups", { 1, 2, 3 })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference);
+}
+TEST_SUITE_END()
+
+TEST_SUITE_END()
+
+TEST_SUITE(QASYMM8)
+FIXTURE_DATA_TEST_CASE(RunSmall, CLWeightsReshapeFixture<uint8_t>, framework::DatasetMode::ALL, combine(combine(combine(datasets::GroupedWeightsSmallShapes(), framework::dataset::make("DataType",
+                                                                                                                        DataType::QASYMM8)),
+                                                                                                                framework::dataset::make("HasBias", { false })),
+                                                                                                        framework::dataset::make("NumGroups", { 1, 2, 3 })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference);
+}
+FIXTURE_DATA_TEST_CASE(RunLarge, CLWeightsReshapeFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(combine(combine(datasets::GroupedWeightsLargeShapes(), framework::dataset::make("DataType",
+                                                                                                                    DataType::QASYMM8)),
+                                                                                                                    framework::dataset::make("HasBias", { false })),
+                                                                                                            framework::dataset::make("NumGroups", { 1, 2, 3 })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference);
+}
+TEST_SUITE_END()
+
+TEST_SUITE_END()
+TEST_SUITE_END()
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
diff --git a/tests/validation/fixtures/WeightsReshapeFixture.h b/tests/validation/fixtures/WeightsReshapeFixture.h
new file mode 100644
index 0000000..06765f6
--- /dev/null
+++ b/tests/validation/fixtures/WeightsReshapeFixture.h
@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ARM_COMPUTE_TEST_WEIGHTS_RESHAPE_FIXTURE
+#define ARM_COMPUTE_TEST_WEIGHTS_RESHAPE_FIXTURE
+
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/TensorShape.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/core/utils/misc/ShapeCalculator.h"
+#include "arm_compute/runtime/Tensor.h"
+#include "tests/AssetsLibrary.h"
+#include "tests/Globals.h"
+#include "tests/IAccessor.h"
+#include "tests/framework/Asserts.h"
+#include "tests/framework/Fixture.h"
+#include "tests/validation/reference/WeightsReshape.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+using namespace arm_compute::misc::shape_calculator;
+
+template <typename TensorType, typename AccessorType, typename FunctionType, typename T>
+class WeightsReshapeValidationFixture : public framework::Fixture
+{
+public:
+    template <typename...>
+    void setup(TensorShape input_shape, DataType data_type, bool has_bias, unsigned int num_groups)
+    {
+        const TensorShape output_shape = compute_weights_reshaped_shape(TensorInfo(input_shape, 1, data_type), has_bias, num_groups);
+
+        _target    = compute_target(input_shape, output_shape, has_bias, num_groups, data_type);
+        _reference = compute_reference(input_shape, output_shape, has_bias, num_groups, data_type);
+    }
+
+protected:
+    template <typename U>
+    void fill(U &&tensor, const int seed)
+    {
+        library->fill_tensor_uniform(tensor, seed);
+    }
+
+    TensorType compute_target(const TensorShape &input_shape, const TensorShape &output_shape, const bool has_bias, const unsigned int num_groups, DataType data_type)
+    {
+        // Create tensors
+        TensorType src  = create_tensor<TensorType>(input_shape, data_type);
+        TensorType bias = create_tensor<TensorType>(TensorShape(input_shape[3]), data_type);
+        TensorType dst  = create_tensor<TensorType>(output_shape, data_type);
+
+        // Create and configure function
+        FunctionType weights_reshape_func;
+        weights_reshape_func.configure(&src, (has_bias ? &bias : nullptr), &dst, num_groups);
+
+        ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(dst.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+        // Allocate tensors
+        src.allocator()->allocate();
+        dst.allocator()->allocate();
+
+        ARM_COMPUTE_EXPECT(!src.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(!dst.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+        // Fill tensors
+        fill(AccessorType(src), 0);
+
+        if(has_bias)
+        {
+            ARM_COMPUTE_EXPECT(bias.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+            bias.allocator()->allocate();
+
+            ARM_COMPUTE_EXPECT(!bias.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+            fill(AccessorType(bias), 1);
+        }
+
+        // Compute function
+        weights_reshape_func.run();
+
+        return dst;
+    }
+
+    SimpleTensor<T> compute_reference(const TensorShape &input_shape, const TensorShape &output_shape, const bool has_bias, const unsigned int num_groups, DataType data_type)
+    {
+        // Create reference
+        SimpleTensor<T> src{ input_shape, data_type };
+        SimpleTensor<T> bias{ TensorShape(has_bias ? input_shape[3] : 0), data_type };
+
+        // Fill reference
+        fill(src, 0);
+        if(has_bias)
+        {
+            fill(bias, 1);
+        }
+
+        return reference::weights_reshape(src, bias, output_shape, num_groups);
+    }
+
+    TensorType      _target{};
+    SimpleTensor<T> _reference{};
+};
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_TEST_WEIGHTS_RESHAPE_FIXTURE */
diff --git a/tests/validation/reference/WeightsReshape.cpp b/tests/validation/reference/WeightsReshape.cpp
new file mode 100644
index 0000000..fc02395
--- /dev/null
+++ b/tests/validation/reference/WeightsReshape.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "WeightsReshape.h"
+
+#include "tests/validation/Helpers.h"
+#include "tests/validation/reference/Utils.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<T> weights_reshape(const SimpleTensor<T> &src, const SimpleTensor<T> &biases, const TensorShape &dst_shape, const unsigned int num_groups)
+{
+    SimpleTensor<T> dst{ dst_shape, src.data_type(), 1 };
+
+    // Compute reference
+    const bool   has_bias  = biases.size() > 0;
+    const size_t linear_sz = src.shape().total_size_lower(3);
+    const size_t group_sz  = src.shape()[3] / num_groups;
+
+    for(size_t g = 0; g < num_groups; ++g)
+    {
+        for(size_t w = 0; w < group_sz; ++w)
+        {
+            const size_t curr_weight = g * group_sz + w;
+
+            size_t i = 0;
+            for(; i < linear_sz; ++i)
+            {
+                dst[coord2index(dst.shape(), Coordinates(w, i, g))] = src[curr_weight * linear_sz + i];
+            }
+            if(has_bias)
+            {
+                dst[coord2index(dst.shape(), Coordinates(w, i, g))] = static_cast<T>(biases[curr_weight]);
+            }
+        }
+    }
+
+    return dst;
+}
+
+template SimpleTensor<float> weights_reshape(const SimpleTensor<float> &src, const SimpleTensor<float> &biases, const TensorShape &dst_shape, const unsigned int num_groups);
+template SimpleTensor<half> weights_reshape(const SimpleTensor<half> &src, const SimpleTensor<half> &biases, const TensorShape &dst_shape, const unsigned int num_groups);
+template SimpleTensor<uint8_t> weights_reshape(const SimpleTensor<uint8_t> &src, const SimpleTensor<uint8_t> &biases, const TensorShape &dst_shape, const unsigned int num_groups);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
diff --git a/tests/validation/reference/WeightsReshape.h b/tests/validation/reference/WeightsReshape.h
new file mode 100644
index 0000000..629f1e5
--- /dev/null
+++ b/tests/validation/reference/WeightsReshape.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_TEST_WEIGHTS_RESHAPE_H__
+#define __ARM_COMPUTE_TEST_WEIGHTS_RESHAPE_H__
+
+#include "tests/SimpleTensor.h"
+#include "tests/validation/Helpers.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<T> weights_reshape(const SimpleTensor<T> &src, const SimpleTensor<T> &biases, const TensorShape &dst_shape, const unsigned int num_groups);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_TEST_WEIGHTS_RESHAPE_H__ */