/* * Copyright (c) 2017-2018 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. */ #ifdef __aarch64__ #include #include "../../asmlib.hpp" namespace arm_gemm { void a64_gemm_s8_12x8_a55r1(const int8_t *Apanel, const int8_t *Bpanel, int32_t *Cpanel, const int ablocks, const int bblocks, const int K) { const int8_t *a_ptr = Apanel; int32_t *c_ptr = Cpanel; // We divide K by 4 because the sdot instruction processes 4 elements at a time. const int W = K/4; // Fix up for odd lengths - set a flag if K is odd, but make // sure we round up the iteration count. const int oddk = (W & 1); const int k_iters = ((W+1)/2) - 1; for (int yb=0; yb