COMPMID-2060: Support different qinfo in PoolingLayer

CL and Neon back ends now support different qinfos

Change-Id: I638d5f258ab2f99b40659601b4c5398d2c34c43b
Signed-off-by: Pablo Tello <pablo.tello@arm.com>
Reviewed-on: https://review.mlplatform.org/c/927
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
diff --git a/tests/validation/CL/PoolingLayer.cpp b/tests/validation/CL/PoolingLayer.cpp
index 6afafe6..7d79f3f 100644
--- a/tests/validation/CL/PoolingLayer.cpp
+++ b/tests/validation/CL/PoolingLayer.cpp
@@ -74,6 +74,8 @@
 constexpr AbsoluteTolerance<float>   tolerance_f32(0.001f); /**< Tolerance value for comparing reference's output against implementation's output for 32-bit floating-point type */
 constexpr AbsoluteTolerance<float>   tolerance_f16(0.01f);  /**< Tolerance value for comparing reference's output against implementation's output for 16-bit floating-point type */
 constexpr AbsoluteTolerance<uint8_t> tolerance_qasymm8(1);  /**< Tolerance value for comparing reference's output against implementation's output for 8-bit asymmetric type */
+const auto                           pool_data_layout_dataset = framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC });
+
 } // namespace
 
 TEST_SUITE(CL)
@@ -133,7 +135,7 @@
 FIXTURE_DATA_TEST_CASE(RunSmall, CLPoolingLayerFixture<float>, framework::DatasetMode::PRECOMMIT, combine(combine(datasets::SmallShapes(), combine(PoolingLayerDatasetFPSmall,
                                                                                                                   framework::dataset::make("DataType",
                                                                                                                           DataType::F32))),
-                                                                                                          framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })))
+                                                                                                          pool_data_layout_dataset))
 {
     // Validate output
     validate(CLAccessor(_target), _reference, tolerance_f32);
@@ -141,7 +143,7 @@
 FIXTURE_DATA_TEST_CASE(RunLarge, CLPoolingLayerFixture<float>, framework::DatasetMode::NIGHTLY, combine(combine(datasets::LargeShapes(), combine(PoolingLayerDatasetFP,
                                                                                                                 framework::dataset::make("DataType",
                                                                                                                         DataType::F32))),
-                                                                                                        framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })))
+                                                                                                        pool_data_layout_dataset))
 {
     // Validate output
     validate(CLAccessor(_target), _reference, tolerance_f32);
@@ -151,14 +153,14 @@
 TEST_SUITE(FP16)
 FIXTURE_DATA_TEST_CASE(RunSmall, CLPoolingLayerFixture<half>, framework::DatasetMode::PRECOMMIT, combine(combine(datasets::SmallShapes(), combine(PoolingLayerDatasetFPSmall,
                                                                                                                  framework::dataset::make("DataType", DataType::F16))),
-                                                                                                         framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })))
+                                                                                                         pool_data_layout_dataset))
 {
     // Validate output
     validate(CLAccessor(_target), _reference, tolerance_f16);
 }
 FIXTURE_DATA_TEST_CASE(RunLarge, CLPoolingLayerFixture<half>, framework::DatasetMode::NIGHTLY, combine(combine(datasets::LargeShapes(), combine(PoolingLayerDatasetFP,
                                                                                                                framework::dataset::make("DataType", DataType::F16))),
-                                                                                                       framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })))
+                                                                                                       pool_data_layout_dataset))
 {
     // Validate output
     validate(CLAccessor(_target), _reference, tolerance_f16);
@@ -172,20 +174,16 @@
 using CLPoolingLayerQuantizedFixture = PoolingLayerValidationQuantizedFixture<CLTensor, CLAccessor, CLPoolingLayer, T>;
 
 TEST_SUITE(QASYMM8)
-FIXTURE_DATA_TEST_CASE(RunSmall, CLPoolingLayerQuantizedFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(combine(datasets::SmallShapes(), combine(PoolingLayerDatasetQASYMM8Small,
+FIXTURE_DATA_TEST_CASE(RunSmall, CLPoolingLayerQuantizedFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(datasets::SmallShapes(), combine(PoolingLayerDatasetQASYMM8Small,
                                                                                                                      framework::dataset::make("DataType", DataType::QASYMM8))),
-                                                                                                                     framework::dataset::make("QuantizationInfo", { QuantizationInfo(2.f / 255, 127),
-                                                                                                                             QuantizationInfo(7.f / 255, 123)
-                                                                                                                                                                  })),
-                                                                                                                     framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })))
+                                                                                                                     pool_data_layout_dataset))
 {
     // Validate output
     validate(CLAccessor(_target), _reference, tolerance_qasymm8);
 }
-FIXTURE_DATA_TEST_CASE(RunLarge, CLPoolingLayerQuantizedFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(combine(combine(datasets::LargeShapes(), combine(PoolingLayerDatasetQASYMM8,
+FIXTURE_DATA_TEST_CASE(RunLarge, CLPoolingLayerQuantizedFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(combine(datasets::LargeShapes(), combine(PoolingLayerDatasetQASYMM8,
                                                                                                                    framework::dataset::make("DataType", DataType::QASYMM8))),
-                                                                                                                   framework::dataset::make("QuantizationInfo", { QuantizationInfo(1.f / 255, 0) })),
-                                                                                                                   framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })))
+                                                                                                                   pool_data_layout_dataset))
 {
     // Validate output
     validate(CLAccessor(_target), _reference, tolerance_qasymm8);
diff --git a/tests/validation/NEON/PoolingLayer.cpp b/tests/validation/NEON/PoolingLayer.cpp
index 9a15775..129f53b 100644
--- a/tests/validation/NEON/PoolingLayer.cpp
+++ b/tests/validation/NEON/PoolingLayer.cpp
@@ -67,6 +67,8 @@
 constexpr AbsoluteTolerance<float> tolerance_f16(0.01f);   /**< Tolerance value for comparing reference's output against implementation's output for float types */
 #endif                                                     /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
 constexpr AbsoluteTolerance<uint8_t> tolerance_qasymm8(1); /**< Tolerance value for comparing reference's output against implementation's output for 8-bit asymmetric type */
+const auto                           pool_data_layout_dataset = framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC });
+
 } // namespace
 
 TEST_SUITE(NEON)
@@ -124,7 +126,7 @@
 FIXTURE_DATA_TEST_CASE(RunSmall, NEPoolingLayerFixture<float>, framework::DatasetMode::PRECOMMIT, combine(combine(datasets::SmallShapes(), combine(PoolingLayerDatasetFPSmall,
                                                                                                                   framework::dataset::make("DataType",
                                                                                                                           DataType::F32))),
-                                                                                                          framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })))
+                                                                                                          pool_data_layout_dataset))
 {
     // Validate output
     validate(Accessor(_target), _reference, tolerance_f32);
@@ -132,7 +134,7 @@
 FIXTURE_DATA_TEST_CASE(RunLarge, NEPoolingLayerFixture<float>, framework::DatasetMode::NIGHTLY, combine(combine(datasets::LargeShapes(), combine(PoolingLayerDatasetFP,
                                                                                                                 framework::dataset::make("DataType",
                                                                                                                         DataType::F32))),
-                                                                                                        framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })))
+                                                                                                        pool_data_layout_dataset))
 {
     // Validate output
     validate(Accessor(_target), _reference, tolerance_f32);
@@ -143,14 +145,14 @@
 TEST_SUITE(FP16)
 FIXTURE_DATA_TEST_CASE(RunSmall, NEPoolingLayerFixture<half>, framework::DatasetMode::PRECOMMIT, combine(combine(datasets::SmallShapes(), combine(PoolingLayerDatasetFPSmall,
                                                                                                                  framework::dataset::make("DataType", DataType::F16))),
-                                                                                                         framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })))
+                                                                                                         pool_data_layout_dataset))
 {
     // Validate output
     validate(Accessor(_target), _reference, tolerance_f16);
 }
 FIXTURE_DATA_TEST_CASE(RunLarge, NEPoolingLayerFixture<half>, framework::DatasetMode::NIGHTLY, combine(combine(datasets::LargeShapes(), combine(PoolingLayerDatasetFP,
                                                                                                                framework::dataset::make("DataType", DataType::F16))),
-                                                                                                       framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })))
+                                                                                                       pool_data_layout_dataset))
 {
     // Validate output
     validate(Accessor(_target), _reference, tolerance_f16);
@@ -165,20 +167,16 @@
 using NEPoolingLayerQuantizedFixture = PoolingLayerValidationQuantizedFixture<Tensor, Accessor, NEPoolingLayer, T>;
 
 TEST_SUITE(QASYMM8)
-FIXTURE_DATA_TEST_CASE(RunSmall, NEPoolingLayerQuantizedFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(combine(datasets::SmallShapes(), combine(PoolingLayerDatasetQASYMM8Small,
+FIXTURE_DATA_TEST_CASE(RunSmall, NEPoolingLayerQuantizedFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(datasets::SmallShapes(), combine(PoolingLayerDatasetQASYMM8Small,
                                                                                                                      framework::dataset::make("DataType", DataType::QASYMM8))),
-                                                                                                                     framework::dataset::make("QuantizationInfo", { QuantizationInfo(2.f / 255, 127),
-                                                                                                                             QuantizationInfo(7.f / 255, 123)
-                                                                                                                                                                  })),
-                                                                                                                     framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })))
+                                                                                                                     pool_data_layout_dataset))
 {
     // Validate output
     validate(Accessor(_target), _reference, tolerance_qasymm8);
 }
-FIXTURE_DATA_TEST_CASE(RunLarge, NEPoolingLayerQuantizedFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(combine(combine(datasets::LargeShapes(), combine(PoolingLayerDatasetQASYMM8,
+FIXTURE_DATA_TEST_CASE(RunLarge, NEPoolingLayerQuantizedFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(combine(datasets::LargeShapes(), combine(PoolingLayerDatasetQASYMM8,
                                                                                                                    framework::dataset::make("DataType", DataType::QASYMM8))),
-                                                                                                                   framework::dataset::make("QuantizationInfo", { QuantizationInfo(1.f / 255, 0) })),
-                                                                                                                   framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })))
+                                                                                                                   pool_data_layout_dataset))
 {
     // Validate output
     validate(Accessor(_target), _reference, tolerance_qasymm8);
diff --git a/tests/validation/fixtures/PoolingLayerFixture.h b/tests/validation/fixtures/PoolingLayerFixture.h
index 3e34f98..1813ef4 100644
--- a/tests/validation/fixtures/PoolingLayerFixture.h
+++ b/tests/validation/fixtures/PoolingLayerFixture.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -26,6 +26,7 @@
 
 #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"
@@ -47,13 +48,16 @@
 {
 public:
     template <typename...>
-    void setup(TensorShape shape, PoolingLayerInfo pool_info, DataType data_type, DataLayout data_layout, QuantizationInfo quantization_info)
+    void setup(TensorShape shape, PoolingLayerInfo pool_info, DataType data_type, DataLayout data_layout)
     {
-        _quantization_info = quantization_info;
-        _pool_info         = pool_info;
+        std::mt19937                    gen(library->seed());
+        std::uniform_int_distribution<> offset_dis(0, 20);
+        const QuantizationInfo          input_qinfo(1.f / 255.f, offset_dis(gen));
+        const QuantizationInfo          output_qinfo(1.f / 255.f, offset_dis(gen));
 
-        _target    = compute_target(shape, pool_info, data_type, data_layout, quantization_info);
-        _reference = compute_reference(shape, pool_info, data_type, quantization_info);
+        _pool_info = pool_info;
+        _target    = compute_target(shape, pool_info, data_type, data_layout, input_qinfo, output_qinfo);
+        _reference = compute_reference(shape, pool_info, data_type, input_qinfo, output_qinfo);
     }
 
 protected:
@@ -72,7 +76,7 @@
     }
 
     TensorType compute_target(TensorShape shape, PoolingLayerInfo info,
-                              DataType data_type, DataLayout data_layout, QuantizationInfo quantization_info)
+                              DataType data_type, DataLayout data_layout, QuantizationInfo input_qinfo, QuantizationInfo output_qinfo)
     {
         // Change shape in case of NHWC.
         if(data_layout == DataLayout::NHWC)
@@ -81,8 +85,9 @@
         }
 
         // Create tensors
-        TensorType src = create_tensor<TensorType>(shape, data_type, 1, quantization_info, data_layout);
-        TensorType dst;
+        TensorType        src       = create_tensor<TensorType>(shape, data_type, 1, input_qinfo, data_layout);
+        const TensorShape dst_shape = misc::shape_calculator::compute_pool_shape(*(src.info()), info);
+        TensorType        dst       = create_tensor<TensorType>(dst_shape, data_type, 1, output_qinfo, data_layout);
 
         // Create and configure function
         FunctionType pool_layer;
@@ -107,21 +112,19 @@
         return dst;
     }
 
-    SimpleTensor<T> compute_reference(const TensorShape &shape, PoolingLayerInfo info,
-                                      DataType data_type, QuantizationInfo quantization_info)
+    SimpleTensor<T> compute_reference(const TensorShape &shape, PoolingLayerInfo info, DataType data_type, QuantizationInfo input_qinfo, QuantizationInfo output_qinfo)
     {
         // Create reference
-        SimpleTensor<T> src{ shape, data_type, 1, quantization_info };
+        SimpleTensor<T> src{ shape, data_type, 1, input_qinfo };
 
         // Fill reference
         fill(src);
 
-        return reference::pooling_layer<T>(src, info);
+        return reference::pooling_layer<T>(src, info, output_qinfo);
     }
 
     TensorType       _target{};
     SimpleTensor<T>  _reference{};
-    QuantizationInfo _quantization_info{};
     PoolingLayerInfo _pool_info{};
 };
 
@@ -133,7 +136,7 @@
     void setup(TensorShape shape, PoolingType pool_type, Size2D pool_size, PadStrideInfo pad_stride_info, bool exclude_padding, DataType data_type, DataLayout data_layout)
     {
         PoolingLayerValidationGenericFixture<TensorType, AccessorType, FunctionType, T>::setup(shape, PoolingLayerInfo(pool_type, pool_size, pad_stride_info, exclude_padding),
-                                                                                               data_type, data_layout, QuantizationInfo());
+                                                                                               data_type, data_layout);
     }
 };
 
@@ -142,11 +145,10 @@
 {
 public:
     template <typename...>
-    void setup(TensorShape shape, PoolingType pool_type, Size2D pool_size, PadStrideInfo pad_stride_info, bool exclude_padding, DataType data_type,
-               QuantizationInfo quantization_info, DataLayout data_layout = DataLayout::NCHW)
+    void setup(TensorShape shape, PoolingType pool_type, Size2D pool_size, PadStrideInfo pad_stride_info, bool exclude_padding, DataType data_type, DataLayout data_layout = DataLayout::NCHW)
     {
         PoolingLayerValidationGenericFixture<TensorType, AccessorType, FunctionType, T>::setup(shape, PoolingLayerInfo(pool_type, pool_size, pad_stride_info, exclude_padding),
-                                                                                               data_type, data_layout, quantization_info);
+                                                                                               data_type, data_layout);
     }
 };
 
@@ -157,7 +159,7 @@
     template <typename...>
     void setup(TensorShape src_shape, PoolingLayerInfo pool_info, DataType data_type)
     {
-        PoolingLayerValidationGenericFixture<TensorType, AccessorType, FunctionType, T>::setup(src_shape, pool_info, data_type, DataLayout::NCHW, QuantizationInfo());
+        PoolingLayerValidationGenericFixture<TensorType, AccessorType, FunctionType, T>::setup(src_shape, pool_info, data_type, DataLayout::NCHW);
     }
 };
 
@@ -168,7 +170,7 @@
     template <typename...>
     void setup(TensorShape shape, PoolingType pool_type, DataType data_type, DataLayout data_layout = DataLayout::NCHW)
     {
-        PoolingLayerValidationGenericFixture<TensorType, AccessorType, FunctionType, T>::setup(shape, PoolingLayerInfo(pool_type), data_type, DataLayout::NCHW, QuantizationInfo());
+        PoolingLayerValidationGenericFixture<TensorType, AccessorType, FunctionType, T>::setup(shape, PoolingLayerInfo(pool_type), data_type, DataLayout::NCHW);
     }
 };
 
diff --git a/tests/validation/reference/PoolingLayer.cpp b/tests/validation/reference/PoolingLayer.cpp
index e617c93..f4112a4 100644
--- a/tests/validation/reference/PoolingLayer.cpp
+++ b/tests/validation/reference/PoolingLayer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -38,8 +38,9 @@
 using namespace arm_compute::misc::shape_calculator;
 
 template <typename T>
-SimpleTensor<T> pooling_layer(const SimpleTensor<T> &src, const PoolingLayerInfo &info)
+SimpleTensor<T> pooling_layer(const SimpleTensor<T> &src, const PoolingLayerInfo &info, const QuantizationInfo &output_qinfo)
 {
+    ARM_COMPUTE_UNUSED(output_qinfo); // requantization occurs in pooling_layer<uint8_t>
     ARM_COMPUTE_ERROR_ON(info.is_global_pooling() && (src.shape().x() != src.shape().y()));
 
     // Create reference
@@ -152,16 +153,16 @@
 }
 
 template <>
-SimpleTensor<uint8_t> pooling_layer<uint8_t>(const SimpleTensor<uint8_t> &src, const PoolingLayerInfo &info)
+SimpleTensor<uint8_t> pooling_layer<uint8_t>(const SimpleTensor<uint8_t> &src, const PoolingLayerInfo &info, const QuantizationInfo &output_qinfo)
 {
     SimpleTensor<float>   src_tmp = convert_from_asymmetric(src);
-    SimpleTensor<float>   dst_tmp = pooling_layer<float>(src_tmp, info);
-    SimpleTensor<uint8_t> dst     = convert_to_asymmetric(dst_tmp, src.quantization_info());
+    SimpleTensor<float>   dst_tmp = pooling_layer<float>(src_tmp, info, output_qinfo);
+    SimpleTensor<uint8_t> dst     = convert_to_asymmetric(dst_tmp, output_qinfo);
     return dst;
 }
 
-template SimpleTensor<float> pooling_layer(const SimpleTensor<float> &src, const PoolingLayerInfo &info);
-template SimpleTensor<half> pooling_layer(const SimpleTensor<half> &src, const PoolingLayerInfo &info);
+template SimpleTensor<float> pooling_layer(const SimpleTensor<float> &src, const PoolingLayerInfo &info, const QuantizationInfo &output_qinfo);
+template SimpleTensor<half> pooling_layer(const SimpleTensor<half> &src, const PoolingLayerInfo &info, const QuantizationInfo &output_qinfo);
 } // namespace reference
 } // namespace validation
 } // namespace test
diff --git a/tests/validation/reference/PoolingLayer.h b/tests/validation/reference/PoolingLayer.h
index 0097789..1c0b7ff 100644
--- a/tests/validation/reference/PoolingLayer.h
+++ b/tests/validation/reference/PoolingLayer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -36,7 +36,7 @@
 namespace reference
 {
 template <typename T>
-SimpleTensor<T> pooling_layer(const SimpleTensor<T> &src, const PoolingLayerInfo &info);
+SimpleTensor<T> pooling_layer(const SimpleTensor<T> &src, const PoolingLayerInfo &info, const QuantizationInfo &output_qinfo);
 } // namespace reference
 } // namespace validation
 } // namespace test