| /* |
| * Copyright (c) 2016-2019 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_NEGEMMINTERLEAVE4x4KERNEL_H |
| #define ARM_COMPUTE_NEGEMMINTERLEAVE4x4KERNEL_H |
| |
| #include "arm_compute/core/NEON/INESimpleKernel.h" |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| |
| /** NEON kernel to interleave the elements of a matrix |
| * |
| * This function puts the values in a 4x4 block of Matrix A on the same row (Interleaved values) |
| * |
| * @f[ |
| * \left( \begin{array}{cccc} |
| * a00 & a01 & a02 & a03 \\ |
| * a10 & a11 & a12 & a13 \\ |
| * a20 & a21 & a22 & a23 \\ |
| * a30 & a31 & a32 & a33 \\ |
| * \end{array} \right) |
| * \rightarrow |
| * \left( \begin{array}{ccccccccccccccccc} |
| * a00 & a10 & a20 & a30 & a01 & a11 & a21 & a31 & a02 & a12 & a22 & a32 & a03 & a13 & a23 & a33 \\ |
| * \end{array} \right) |
| * @f] |
| * |
| * After this operation, the output matrix will have the following shape: [ height * 4, ceil(width / 4.0f) ] |
| */ |
| class NEGEMMInterleave4x4Kernel : public INESimpleKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "NEGEMMInterleave4x4Kernel"; |
| } |
| /* Constructor */ |
| NEGEMMInterleave4x4Kernel(); |
| /** Initialise the kernel's input and output. |
| * |
| * @param[in] input Input tensor. Data types supported: All |
| * @param[out] output Output tensor which stores the interleaved matrix. Data type supported: same as @p input. |
| */ |
| void configure(const ITensor *input, ITensor *output); |
| /** Static function to check if given info will lead to a valid configuration of @ref NEGEMMInterleave4x4Kernel |
| * |
| * @param[in] input Input tensor info. Data types supported: All |
| * @param[in] output Output tensor info which stores the interleaved matrix. Data type supported: same as @p input. |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input, const ITensorInfo *output); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| |
| private: |
| /** Common signature for all the transpose functions |
| * |
| * @param[in] input An input tensor. Data types supported: All |
| * @param[out] output The output tensor. Data type supported: same as @p input |
| * @param[in] window Region on which to execute the kernel. |
| */ |
| using GEMMInterleaveFunction = void(const ITensor *input, ITensor *output, const Window &window); |
| |
| GEMMInterleaveFunction *_func; /**< GEMM interleave function to use for the particular tensor types passed to configure() */ |
| }; |
| } // namespace arm_compute |
| #endif /*ARM_COMPUTE_NEGEMMINTERLEAVE4x4KERNEL_H*/ |