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/*
* 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.
*/
#include "arm_gemm.hpp"
#include "gemm_common.hpp"
#include "gemm_interleaved.hpp"
#include "gemm_native.hpp"
#include "gemv_native_transposed.hpp"
#include "gemv_pretransposed.hpp"
#include "kernels/a32_sgemm_8x6.hpp"
#include "kernels/a64_sgemm_12x8.hpp"
#include "kernels/a64_sgemm_native_16x4.hpp"
#include "kernels/a64_sgemv_pretransposed.hpp"
#include "kernels/a64_sgemv_trans.hpp"
namespace arm_gemm
{
template <>
UniqueGemmCommon<float, float> gemm<float, float>(const CPUInfo &ci, const unsigned int M, const unsigned int N, const unsigned int K,
const bool trA, const bool trB, const float alpha, const float beta,
const int maxthreads, const bool pretransposed_hint)
{
#ifdef __aarch64__
/* Cases in priority order */
/* GemvPretransposed: requires M=1, alpha=1, and transposed hint set */
if(M == 1 && alpha == 1.0f && pretransposed_hint)
{
return UniqueGemmCommon<float, float>(new GemvPretransposed<sgemv_pretransposed, float, float>(&ci, N, K, trB, beta));
}
/* GemvNativeTransposed: requires M=1, no trA or trB, doesn't handle beta */
if(M == 1 && beta == 1.0f && !trA && !trB)
{
return UniqueGemmCommon<float, float>(new GemvNativeTransposed<sgemv_trans, float, float>(&ci, N, K, alpha));
}
/* Native GEMM: requires M to be a multiple of 4, K a multiple of 4, N a
* multiple of 16, doesn't handle alpha and only makes sense for small
* sizes. */
if(N <= 128 && K <= 128 && ((M % 4) == 0) && ((K % 4) == 0) && ((N % 16) == 0) && alpha == 1.0f)
{
return UniqueGemmCommon<float, float>(new GemmNative<sgemm_native_16x4, float, float>(&ci, M, N, K, beta));
}
/* Blocked GEMM, handles all cases. */
return UniqueGemmCommon<float, float>(new GemmInterleaved<sgemm_12x8, float, float>(&ci, M, N, K, trA, trB, alpha, beta, maxthreads, pretransposed_hint));
#else
return UniqueGemmCommon<float, float>(new GemmInterleaved<sgemm_8x6, float, float>(&ci, M, N, K, trA, trB, alpha, beta, maxthreads, pretransposed_hint));
#endif
}
// Instantiate static class variables.
#ifdef __aarch64__
const int sgemm_12x8::out_width;
const int sgemm_12x8::out_height;
const int sgemm_native_16x4::out_width;
const int sgemm_native_16x4::out_height;
#else
const int sgemm_8x6::out_width;
const int sgemm_8x6::out_height;
#endif
} // namespace arm_gemm
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