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Diffstat (limited to 'src/gpu/cl/kernels/ClWeightsReshapeKernel.h')
| -rw-r--r-- | src/gpu/cl/kernels/ClWeightsReshapeKernel.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/gpu/cl/kernels/ClWeightsReshapeKernel.h b/src/gpu/cl/kernels/ClWeightsReshapeKernel.h new file mode 100644 index 0000000000..5e05f8d006 --- /dev/null +++ b/src/gpu/cl/kernels/ClWeightsReshapeKernel.h @@ -0,0 +1,98 @@ +/* + * 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_WEIGHTSRESHAPE_KERNEL_H +#define ARM_COMPUTE_CL_WEIGHTSRESHAPE_KERNEL_H + +#include "src/core/common/Macros.h" +#include "src/gpu/cl/ClCompileContext.h" +#include "src/gpu/cl/IClKernel.h" + +namespace arm_compute +{ +namespace opencl +{ +namespace kernels +{ +/** OpenCL kernel to perform reshaping on the weights used by convolution and locally connected layer + * + * Rearranges each 3-dimensional kernel to a single row leading to a matrix with linearized kernels. + * In combination with the @ref opencl::kernels::ClIm2ColKernel can transform a convolution to a matrix multiplication. + * + * For example assuming a 3D weight kernel of 3x3 dimensions and depth of 2 we have: + * @f[ + * \left( \begin{array}{ccc} + * a000 & a001 & a002 \\ + * a010 & a011 & a012 \\ + * a020 & a021 & a022 \\ + * \end{array} \right) + * \left( \begin{array}{ccc} + * a100 & a101 & a102 \\ + * a110 & a111 & a112 \\ + * a120 & a121 & a122 \\ + * \end{array} \right) + * \rightarrow + * \left( \begin{array}{ccccccccc} + * a000 & a001 & a002 & a010 & a011 & a012 & a020 & a021 & a022 & a100 & a101 & a102 & a110 & a111 & a112 & a120 & a121 & a122 \\ + * \end{array} \right) + * @f] + */ +class ClWeightsReshapeKernel : public IClKernel +{ +public: + ClWeightsReshapeKernel(); + ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(ClWeightsReshapeKernel); + /** Set the input and output of the kernel. + * + * @param[in] compile_context The compile context to be used. + * @param[in] src The input tensor info to convert. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM] if shared, + * and 5D tensor with dimensions [kernel_x, kernel_y, IFM, OFM, num_patches] if unshared. Data types supported: All + * @param[in] biases The shared biases tensor info to append. Bias is 1D tensor with dimensions [OFM] if shared and 2D tensor with + * dimensions [OFM, num_patches] if unshared. Data types supported: F16/F32, for quantized types this must be nullptr. + * @warning Appending biases to weights reshaped matrix is not supported for quantized asymmetric types. + * @param[out] dst The output tensor info. Should be a 2D Tensor if there are no groups and the weights are not shared; a 3D Tensor otherwise. + * Data types supported: Same as @p input + * @param[in] num_groups (Optional) Number of groups when performing a grouped convolution. num_groups != 1 is only supported for NCHW data layout + * Number of groups greater than one are only supported for NCHW data layout, and the number of weights must be a multiple of it. + */ + void configure(const ClCompileContext &compile_context, + const ITensorInfo *src, + const ITensorInfo *biases, + ITensorInfo *dst, + unsigned int num_groups = 1); + /** Static function to check if given info will lead to a valid configuration + * + * Similar to ClWeightsReshapeKernel::configure() + * + * @return a status + */ + static Status + validate(const ITensorInfo *src, const ITensorInfo *biases, const ITensorInfo *dst, unsigned int num_groups = 1); + + // Inherited methods overridden: + void run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue) override; +}; +} // namespace kernels +} // namespace opencl +} // namespace arm_compute +#endif /*ARM_COMPUTE_CL_WEIGHTSRESHAPE_KERNEL_H */ |