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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_implementation.hpp"
#include "gemm_interleaved.hpp"
#include "gemm_native.hpp"
#include "gemv_batched.hpp"
#include "gemv_native_transposed.hpp"
#include "gemv_pretransposed.hpp"
#include "kernels/a64_sgemm_12x8.hpp"
#include "kernels/a32_sgemm_8x6.hpp"
#include "kernels/a64_sgemv_trans.hpp"
#include "kernels/a64_sgemv_pretransposed.hpp"
#include "kernels/a64_sgemm_native_16x4.hpp"
namespace arm_gemm {
#ifdef __aarch64__
// SGEMM implementations for AArch64
// Pretransposed GEMV
class GemmImpl_sgemm_gemv_pretransposed : public GemmImplementation<float, float> {
public:
bool is_supported(const GemmArgs<float> &args) override {
return (args._Msize==1 && args._alpha==1.0f && args._pretransposed_hint && args._nbatches==1);
}
UniqueGemmCommon<float, float> instantiate(const GemmArgs<float> &args) override {
return UniqueGemmCommon<float, float> (new GemvPretransposed<sgemv_pretransposed, float, float>(args._ci, args._Nsize, args._Ksize, args._nmulti, args._trB, args._beta));
}
GemmImpl_sgemm_gemv_pretransposed() : GemmImplementation<float, float>(GemmMethod::GEMV_PRETRANSPOSED) { }
};
// Native GEMV
class GemmImpl_sgemm_gemv_native_transposed : public GemmImplementation<float, float> {
public:
bool is_supported(const GemmArgs<float> &args) override {
return (args._Msize==1 && args._alpha==1.0f && !args._trA && !args._trB && args._nbatches==1);
}
UniqueGemmCommon<float, float> instantiate(const GemmArgs<float> &args) override {
return UniqueGemmCommon<float, float> (new GemvNativeTransposed<sgemv_trans, float, float>(args._ci, args._Nsize, args._Ksize, args._nmulti, args._beta));
}
GemmImpl_sgemm_gemv_native_transposed() : GemmImplementation<float, float>(GemmMethod::GEMV_NATIVE_TRANSPOSED) { }
};
// Native GEMM
class GemmImpl_sgemm_gemm_native : public GemmImplementation<float, float> {
public:
bool is_supported(const GemmArgs<float> &args) override {
return (args._Ksize>4 && (args._Nsize % 16)==0 && args._alpha==1.0f && !args._trA && !args._trB);
}
bool is_recommended(const GemmArgs<float> &args) override {
return ((args._Ksize <= 128) && (args._Nsize <= 128)) || ((args._nmulti > 1) && ((args._Msize / args._maxthreads) < 8));
}
UniqueGemmCommon<float, float> instantiate(const GemmArgs<float> &args) override {
return UniqueGemmCommon<float, float> (new GemmNative<sgemm_native_16x4, float, float>(args._ci, args._Msize, args._Nsize, args._Ksize, args._nbatches, args._nmulti, args._beta));
}
GemmImpl_sgemm_gemm_native() : GemmImplementation<float, float>(GemmMethod::GEMM_NATIVE) { }
};
#endif // __aarch64__
// Interleaved GEMM
class GemmImpl_sgemm_gemm_interleaved : public GemmImplementation<float, float> {
public:
UniqueGemmCommon<float, float> instantiate(const GemmArgs<float> &args) override {
#ifdef __aarch64__
return UniqueGemmCommon<float, float> (new GemmInterleaved<sgemm_12x8, float, float>(args));
#elif defined(__arm__)
return UniqueGemmCommon<float, float> (new GemmInterleaved<sgemm_8x6, float, float>(args));
#else
# error Unknown Architecture.
#endif
}
GemmImpl_sgemm_gemm_interleaved() : GemmImplementation<float, float>(GemmMethod::GEMM_INTERLEAVED) { }
};
/* List of implementations (order matters) */
static std::vector<GemmImplementation<float, float> *> SGemmMethods = {
new GemmImpl_gemv_batched<float, float>(),
#ifdef __aarch64__
new GemmImpl_sgemm_gemv_pretransposed(),
new GemmImpl_sgemm_gemv_native_transposed(),
new GemmImpl_sgemm_gemm_native(),
#endif
new GemmImpl_sgemm_gemm_interleaved()
};
/* Templated function to return this list. */
template<>
std::vector<GemmImplementation<float, float> *> &gemm_implementation_list<float, float>() {
return SGemmMethods;
}
/* Explicitly instantiate the external functions for these types. */
template UniqueGemmCommon<float, float> gemm<float, float>(GemmArgs<float> &args, GemmConfig *cfg);
template GemmMethod get_gemm_method<float, float>(GemmArgs<float> &args);
template bool method_is_compatible<float, float>(GemmMethod method, GemmArgs<float> &args);
} // namespace arm_gemm
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