tests/benchmark/fixtures/ScaleLayerFixture.h

/*
 * Copyright (c) 2017-2021, 2023 Arm Limited.
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 * SPDX-License-Identifier: MIT
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#ifndef ARM_COMPUTE_TEST_SCALELAYERFIXTURE
#define ARM_COMPUTE_TEST_SCALELAYERFIXTURE

#include "arm_compute/core/TensorShape.h"
#include "arm_compute/core/Types.h"
#include "tests/Globals.h"
#include "tests/Utils.h"
#include "tests/framework/Asserts.h"
#include "tests/framework/Fixture.h"

namespace arm_compute
{
namespace test
{
/** Fixture that can be used for Neon, CL and OpenGL ES */
template <typename TensorType, typename Function, typename Accessor, typename T>
class ScaleLayerFixture : public framework::Fixture
{
public:
    void setup(TensorShape shape, InterpolationPolicy policy, BorderMode border_mode, SamplingPolicy sampling_policy, float sx, float sy, DataType data_type)
    {
        constexpr float max_width  = 8192.0f;
        constexpr float max_height = 6384.0f;

        std::mt19937 generator(library->seed());

        float scale_x = ((shape.x() * sx) > max_width) ? (max_width / shape.x()) : sx;
        float scale_y = ((shape.y() * sy) > max_height) ? (max_height / shape.y()) : sy;

        std::uniform_int_distribution<uint8_t> distribution_u8(0, 255);
        T                                      constant_border_value = static_cast<T>(distribution_u8(generator));

        // Create tensors
        src = create_tensor<TensorType>(shape, data_type);
        TensorShape shape_scaled(shape);
        shape_scaled.set(0, shape[0] * scale_x);
        shape_scaled.set(1, shape[1] * scale_y);
        dst = create_tensor<TensorType>(shape_scaled, data_type);

        scale_layer.configure(&src, &dst, ScaleKernelInfo{ policy, border_mode, constant_border_value, sampling_policy });

        ARM_COMPUTE_ASSERT(src.info()->is_resizable());
        ARM_COMPUTE_ASSERT(dst.info()->is_resizable());

        // Allocate tensors
        src.allocator()->allocate();
        dst.allocator()->allocate();
    }

    void run()
    {
        scale_layer.run();
    }

    void sync()
    {
        sync_if_necessary<TensorType>();
        sync_tensor_if_necessary<TensorType>(dst);
    }

    void teardown()
    {
        src.allocator()->free();
        dst.allocator()->free();
    }

private:
    TensorType src{};
    TensorType dst{};
    Function   scale_layer{};
};
} // namespace test
} // namespace arm_compute
#endif /* ARM_COMPUTE_TEST_SCALELAYERFIXTURE */