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/*
* Copyright (c) 2021-2024 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 ACL_ARM_COMPUTE_RUNTIME_EXPERIMENTAL_OPERATORS_CPUWINOGRADCONV2D_H
#define ACL_ARM_COMPUTE_RUNTIME_EXPERIMENTAL_OPERATORS_CPUWINOGRADCONV2D_H
#include "arm_compute/core/ITensorInfo.h"
#include "arm_compute/runtime/IOperator.h"
#include <memory>
namespace arm_compute
{
namespace experimental
{
namespace op
{
/*
* A shallow wrapper for arm_compute::cpu::CpuWinogradConv2d.
* Any new features should be added to arm_compute::cpu::CpuWinogradConv2d and
* arm_compute::experimental::op::CpuWinogradConv2d should remain a shallow wrapper.
*/
class CpuWinogradConv2d : public IOperator
{
public:
/** Constructors */
CpuWinogradConv2d();
/** Prevent instances of this class from being copied (As this class contains pointers) */
CpuWinogradConv2d(const CpuWinogradConv2d &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
CpuWinogradConv2d &operator=(const CpuWinogradConv2d &) = delete;
/** Default move constructor */
CpuWinogradConv2d(CpuWinogradConv2d &&) = default;
/** Default move assignment */
CpuWinogradConv2d &operator=(CpuWinogradConv2d &&) = default;
/** Destructor */
~CpuWinogradConv2d() override;
/** Set the input and output tensors.
*
* Valid data layouts:
* - NHWC
* - NCHW
*
* Valid data type configurations:
* |src0 |src1 |src2 |dst |
* |:--------------|:--------------|:------|:--------------|
* |F16 |F16 |F16 |F16 |
* |F32 |F32 |F32 |F32 |
*
* @param[in] src Source tensor Info. 3 lower dimensions represent a single input [width, height, IFM],
* while every optional dimension from 4 and above represent a batch of inputs.
* Data types supported: F16/F32.
* @param[in] weights Weights tensor Info. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM]. Data type supported: Same as @p input.
* For supported kernel sizes, see @ref arm_compute::NEWinogradConvolutionLayer
* @param[in] biases Biases tensor Info. Shared biases supported. Biases are 1D tensor with dimensions [OFM]. Data type supported: Same as @p weights.
* @param[out] dst Destination tensor Info. 3 lower dimensions represent a single output [width, height, OFM], while the rest represent batch of outputs.
* Data types supported: Same as @p input.
* @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo. Currently only unit strides are supported.
* @param[in] act_info (Optional) Activation layer information in case of a fused activation.
* @param[in] enable_fast_math (Optional) Enable fast math computation. In case this flag were set, the function could dispatch the fastest implementation
* available which may introduce a drop of accuracy as well. Default is false
*/
void configure(const ITensorInfo *src,
const ITensorInfo *weights,
const ITensorInfo *biases,
ITensorInfo *dst,
const PadStrideInfo &conv_info,
const ActivationLayerInfo &act_info = ActivationLayerInfo(),
bool enable_fast_math = false);
/** Static function to check if given info will lead to a valid configuration of @ref CpuWinogradConv2d
*
* Similar to CpuWinogradConv2d::configure()
*
* @return a status
*/
static Status validate(const ITensorInfo *src,
const ITensorInfo *weights,
const ITensorInfo *biases,
const ITensorInfo *dst,
const PadStrideInfo &conv_info,
const ActivationLayerInfo &act_info = ActivationLayerInfo(),
bool enable_fast_math = false);
void run(ITensorPack &tensors) override;
void prepare(ITensorPack &constants) override;
experimental::MemoryRequirements workspace() const override;
private:
struct Impl;
std::unique_ptr<Impl> _impl;
};
} // namespace op
} // namespace experimental
} // namespace arm_compute
#endif // ACL_ARM_COMPUTE_RUNTIME_EXPERIMENTAL_OPERATORS_CPUWINOGRADCONV2D_H
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