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Diffstat (limited to 'src/core/NEON/kernels/winograd/gemm.hpp')
-rw-r--r-- | src/core/NEON/kernels/winograd/gemm.hpp | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/src/core/NEON/kernels/winograd/gemm.hpp b/src/core/NEON/kernels/winograd/gemm.hpp deleted file mode 100644 index 111e19602a..0000000000 --- a/src/core/NEON/kernels/winograd/gemm.hpp +++ /dev/null @@ -1,127 +0,0 @@ - -/* - * 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. - */ -#pragma once -#include "utils.hpp" - -template <typename TIn, typename TOut> -void Gemm(const TIn* const a, const TIn* const b, TOut *c, - const int M, const int K, const int N, - const int a_row_stride, - const int b_row_stride, - const int c_row_stride, - const bool a_transposed=false, - const bool b_transposed=false) { - // Array access methods - const auto A = [a, a_transposed, M, K, a_row_stride] (const int i, const int j) -> TIn { - return a[(!a_transposed) ? i*a_row_stride + j : i + j*M]; - }; - - const auto B = [b, b_transposed, K, N, b_row_stride] (const int i, const int j) -> TIn { - return b[(!b_transposed) ? i*b_row_stride + j : i + j*N]; - }; - - const auto C = [c, c_row_stride] (const int i, const int j) -> TOut& { - return c[i*c_row_stride + j]; - }; - - // Perform the matrix multiplication - for (int i = 0; i < M; i++) { - for (int j = 0; j < N; j++) { - for (int k = 0; k < K; k++) { - C(i, j) += A(i, k) * B(k, j); - } - } - } -} - -template <const int M_BLOCK, const int N_BLOCK, typename TIn, typename TOut> -void BlockedGemm( - const TIn* const a, const TIn* const b, TOut *c, - const int M, const int K, const int N, - const int a_row_stride, - const int b_row_stride, - const int c_row_stride -) { - // Array access methods - const auto A = [a, a_row_stride] (const int i, const int j) -> TIn { - return a[i*a_row_stride + j]; - }; - - const auto B = [b, b_row_stride] (const int i, const int j) -> TIn { - return b[i*b_row_stride + j]; - }; - - const auto C = [c, c_row_stride] (const int i, const int j) -> TOut& { - return c[i*c_row_stride + j]; - }; - - const int M_BLOCKS = iceildiv(M, M_BLOCK); - const int N_BLOCKS = iceildiv(N, N_BLOCK); - - // For each block of output rows - for (int mblock = 0; mblock < M_BLOCKS; mblock++) { - // For each block of output columns - for (int nblock = 0; nblock < N_BLOCKS; nblock++) { - // Create an appropriately sized block of accumulators - TOut accum[M_BLOCK][N_BLOCK]; - for (int i = 0; i < M_BLOCK; i++) { - for (int j = 0; j < N_BLOCK; j++) { - accum[i][j] = static_cast<TOut>(0); - } - } - - // Perform this portion of the matrix multiply - for (int k = 0; k < K; k++) { - // Load elements of A - TIn elems_a[M_BLOCK]; - for (int i = 0; i < M_BLOCK; i++) { - elems_a[i] = A(mblock*M_BLOCK + i, k); - } - - // Load elements of B - TIn elems_b[N_BLOCK]; - for (int j = 0; j < N_BLOCK; j++) { - elems_b[j] = B(k, nblock*N_BLOCK + j); - } - - // Perform the partial matrix multiply - for (int i = 0; i < M_BLOCK; i++) { - for (int j = 0; j < N_BLOCK; j++) { - accum[i][j] += elems_a[i] * elems_b[j]; - } - } - } - - // Store the partial product - for (int i = 0; i < M_BLOCK; i++) { - for (int j = 0; j < N_BLOCK; j++) { - C(mblock*M_BLOCK + i, nblock*N_BLOCK + j) = accum[i][j]; - } - } - } - } -} - -#include "gemm/a64_sgemm.hpp" |