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/*
* Copyright (c) 2017 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_NEWINOGRADLAYER_H__
#define __ARM_COMPUTE_NEWINOGRADLAYER_H__
#include "arm_compute/runtime/IFunction.h"
#include "arm_compute/core/NEON/kernels/NEWinogradLayerKernel.h"
#include "arm_compute/core/Types.h"
#include "arm_compute/runtime/MemoryGroup.h"
#include "arm_compute/runtime/Tensor.h"
#include <memory>
namespace arm_compute
{
class ITensor;
/** Basic function to simulate a convolution layer. This function calls the following NEON kernels:
*/
class NEWinogradLayer : public IFunction
{
public:
/** Constructor */
NEWinogradLayer(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
/** Set the input and output tensors.
*
* @param[in] input Source tensor. 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: F32.
* @param[in] weights Weights tensor. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM]. Data type supported: Same as @p input.
* Currently only 3x3 kernels are supported.
* @param[in] biases Not supported, biases will be ignored.
* @param[out] output Destination tensor. 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.
*/
void configure(const ITensor *input, const ITensor *weights, const ITensor *biases, ITensor *output, const PadStrideInfo &conv_info);
// Inherited methods overridden:
void run() override;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEWinogradLayer(const NEWinogradLayer &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEWinogradLayer &operator=(const NEWinogradLayer &) = delete;
private:
using Winograd3x3F32 = NEWinogradLayerKernel::Winograd3x3F32;
MemoryGroup _memory_group;
NEWinogradLayerKernel _winograd_kernel;
Tensor _weights_workspace;
Tensor _workspace;
Tensor _kernel_storage;
const ITensor *_input;
const ITensor *_weights;
ITensor *_output;
bool _reshaped_kernel;
std::unique_ptr<Winograd3x3F32> _conv;
};
}
#endif /* __ARM_COMPUTE_NEWINOGRADLAYER_H__ */
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