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Diffstat (limited to 'src/core/NEON/kernels/NEDirectConvolutionLayerKernel.h')
| -rw-r--r-- | src/core/NEON/kernels/NEDirectConvolutionLayerKernel.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEDirectConvolutionLayerKernel.h b/src/core/NEON/kernels/NEDirectConvolutionLayerKernel.h new file mode 100644 index 0000000000..94c97cf521 --- /dev/null +++ b/src/core/NEON/kernels/NEDirectConvolutionLayerKernel.h @@ -0,0 +1,108 @@ +/* + * Copyright (c) 2017-2020 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_NEDIRECTCONVOLUTIONLAYERKERNEL_H +#define ARM_COMPUTE_NEDIRECTCONVOLUTIONLAYERKERNEL_H + +#include "src/core/NEON/INEKernel.h" + +namespace arm_compute +{ +class ITensor; + +/** NEON interface for Direct Convolution Layer kernel */ +class NEDirectConvolutionLayerKernel : public INEKernel +{ +public: + const char *name() const override + { + return "NEDirectConvolutionLayerKernel"; + } + /** Default constructor */ + NEDirectConvolutionLayerKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEDirectConvolutionLayerKernel(const NEDirectConvolutionLayerKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEDirectConvolutionLayerKernel &operator=(const NEDirectConvolutionLayerKernel &) = delete; + /** Allow instances of this class to be moved */ + NEDirectConvolutionLayerKernel(NEDirectConvolutionLayerKernel &&) = default; + /** Allow instances of this class to be moved */ + NEDirectConvolutionLayerKernel &operator=(NEDirectConvolutionLayerKernel &&) = default; + /** Default destructor */ + ~NEDirectConvolutionLayerKernel() = default; + /** Set the input, weights, and output tensors. + * + * @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 = 1/2/3, stride_y = 1/2/3 + * + * @param[in] input The input tensor to convolve. 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. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM]. + * The 3rd dimension must be the same as the input's volume 3rd dimension. + * Data type supported:Same as @p input. + * @param[out] output Output tensor. + * The 3rd dimensions must be equal to the 4th dimension of the @p kernels tensor. Data types supported: F16/F32 + * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo. + */ + void configure(const ITensor *input, const ITensor *weights, ITensor *output, const PadStrideInfo &conv_info); + /** Static function to check if given info will lead to a valid configuration of @ref NEDirectConvolutionLayerKernel + * + * @param[in] input The input tensor to convolve. 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. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM]. + * The 3rd dimension must be the same as the input's volume 3rd dimension. + * Data type supported:Same as @p input. + * @param[in] output Output tensor. + * The 3rd dimensions must be equal to the 4th dimension of the @p kernels tensor. Data types supported: F16/F32 + * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo. + * + * @return a status + */ + static Status validate(const ITensorInfo *input, const ITensorInfo *weights, const ITensorInfo *output, const PadStrideInfo &conv_info); + + // Inherited methods overridden: + void run(const Window &window, const ThreadInfo &info) override; + BorderSize border_size() const override; + +private: + /* Template function for optimized convolution NHWC */ + template <typename T> + void convolve_nhwc_optimized(const Window &window); + + /* Template function for convolution NHWC */ + template <typename T> + void convolve_nhwc(const Window &window); + + const ITensor *_input; + const ITensor *_weights; + ITensor *_output; + PadStrideInfo _conv_info; + BorderSize _border_size; + unsigned int _kernel_size; + unsigned int _num_weight_elems_read_per_row; + unsigned int _num_elems_read_per_iteration; + unsigned int _num_elems_written_per_iteration; +}; +} // namespace arm_compute +#endif /*ARM_COMPUTE_NEDIRECTCONVOLUTIONLAYERKERNEL_H */ |