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/*
* Copyright (c) 2017-2021 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_CL_DIRECT_CONV2D_KERNEL_H
#define ARM_COMPUTE_CL_DIRECT_CONV2D_KERNEL_H
#include "src/core/common/Macros.h"
#include "src/core/gpu/cl/ClCompileContext.h"
#include "src/core/gpu/cl/IClKernel.h"
namespace arm_compute
{
namespace opencl
{
namespace kernels
{
/** Interface for the direct convolution kernel. */
class ClDirectConv2dKernel : public IClKernel
{
public:
ClDirectConv2dKernel() = default;
ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(ClDirectConv2dKernel);
/** Set the src, weights, biases and dst tensors info.
*
* @note: Due to set_valid_region(), thus src/weights/biases cannot be const. Need to change this once the set_valid_region() is removed.
*
* @note: DirectConvolution only works in the following configurations:
* 1x1 convolution with stride_x = 1/2/3, stride_y = 1/2/3
* 3x3 convolution with stride_x = 1/2, stride_y = 1/2
* 5x5 convolution with stride_x = 1/2, stride_y = 1/2
* 9x9 convolution with stride_x = 1/2, stride_y = 1/2
*
* @param[in] compile_context The compile context to be used.
* @param[in] src The src tensor info to convolve. 3 lower dimensions represent a single src [width, height, IFM],
* while every optional dimension from 4 and above represent a batch of inputs. Data types supported: QASYMM8_SIGNED/QASYMM8/F16/F32.
* @param[in] weights Weights tensor info. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM].
* The 3rd dimension must be the same as the src's volume 3rd dimension.
* Data type supported:Same as @p src.
* @param[in] biases Biases tensor info. Biases are 1D tensor with dimension [OFM].
* Data type supported: Should match @p src data type, except for src of QASYMM8 and QASYMM8_SIGNED type where biases should be of S32 type
* @param[out] dst Output tensor info.
* The 3rd dimensions must be equal to the 4th dimension of the @p kernels tensor. Data types supported: Same as @p src.
* @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo.
* @param[in] act_info Contains activaton information described in @ref ActivationLayerInfo.
*/
void configure(const CLCompileContext &compile_context, ITensorInfo *src, ITensorInfo *weights, ITensorInfo *biases, ITensorInfo *dst,
const PadStrideInfo &conv_info, const ActivationLayerInfo &act_info);
/** Static function to check if given info will lead to a valid configuration
*
* Similar to ClDirectConv2dKernel::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, const GPUTarget target);
// Inherited methods overridden:
void run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue) override;
BorderSize border_size() const override;
public:
DataLayout _data_layout{};
BorderSize _border_size{};
PadStrideInfo _conv_info{};
};
} // namespace kernels
} // namespace opencl
} // namespace arm_compute
#endif /*ARM_COMPUTE_CL_DIRECT_CONV2D_KERNEL_H */
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