| /* |
| * Copyright (c) 2017-2019 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. |
| */ |
| #pragma once |
| |
| #include <stdio.h> |
| |
| #include "arm_gemm.hpp" |
| |
| #include "mergeresults.hpp" |
| #include "transform.hpp" |
| |
| #ifdef CYCLE_PROFILING |
| #include "profiler.hpp" |
| #endif |
| |
| namespace arm_gemm { |
| |
| // Implementation of the GemmCommon abstract class. |
| // |
| // This is implementation is for a "native" (no-transform) GEMV with a |
| // transposed matrix. |
| // |
| // As a native operation the source data is used in-place, so the internal |
| // and external operand/result types must match. |
| template<typename strategy, typename To, typename Tr> |
| class GemvNativeTransposed : public GemmCommon<To, Tr> { |
| typedef typename strategy::operand_type Toi; |
| typedef typename strategy::result_type Tri; |
| |
| const unsigned int _Nsize; |
| const unsigned int _Ksize; |
| |
| const unsigned int _nmultis; |
| |
| const Tr _beta; |
| |
| const CPUInfo * const _ci; |
| |
| unsigned int m_block=0; |
| unsigned int n_block=0; |
| |
| public: |
| GemvNativeTransposed(GemvNativeTransposed &) = delete; |
| GemvNativeTransposed & operator= (GemvNativeTransposed &) = delete; |
| |
| GemvNativeTransposed(const GemmArgs<Tr> &args) |
| : _Nsize(args._Nsize), _Ksize(args._Ksize), _nmultis(args._nmulti), _beta(args._beta), _ci(args._ci) { |
| /* For now don't do any blocking. TODO: figure out if we should. */ |
| m_block = _Ksize; |
| n_block = _Nsize; |
| } |
| |
| // Window is number of out_width blocks times number of multis. |
| unsigned int get_window_size() const override { |
| return iceildiv(_Nsize, strategy::out_width()) * _nmultis; |
| } |
| |
| // Actually execute the GEMV. |
| void execute(unsigned int start, unsigned int end, int) override { |
| #ifdef CYCLE_PROFILING |
| profiler prof; |
| #endif |
| strategy strat(_ci); |
| |
| const unsigned int window_per_multi = iceildiv(_Nsize, strategy::out_width()); |
| const unsigned int multi_0 = start / window_per_multi; |
| const unsigned int multi_end = end / window_per_multi; |
| |
| const unsigned int n_0 = (start - (multi_0 * window_per_multi)) * strategy::out_width(); |
| const unsigned int n_max = (end - (multi_end * window_per_multi)) * strategy::out_width(); |
| |
| static_assert(std::is_same<To, Toi>::value, "gemv_transposed: Operand types must be the same."); |
| static_assert(std::is_same<Tr, Tri>::value, "gemv_transposed: Result types must be the same."); |
| |
| for (unsigned int multi=multi_0; multi<=multi_end; multi++) { |
| const unsigned int n_start = (multi==multi_0) ? n_0 : 0; |
| const unsigned int n_end = (multi==multi_end) ? n_max : _Nsize; |
| |
| if (n_end <= n_start) |
| continue; |
| |
| for (unsigned int m0=0; m0<_Ksize; m0+=m_block) { |
| unsigned int mmax = std::min(m0 + m_block, _Ksize); |
| |
| for (unsigned int n0=n_start; n0<n_end; n0+=n_block) { |
| unsigned int nmax = std::min(n0 + n_block, n_end); |
| #ifdef CYCLE_PROFILING |
| auto p = prof.ScopedProfiler(PROFILE_KERNEL, (mmax-m0) * (nmax-n0)); |
| #endif |
| strat.kernel(this->_Bptr + (multi * this->_B_multi_stride) + (m0 * this->_ldb) + n0, |
| this->_Aptr + (multi * this->_A_multi_stride) + m0, |
| this->_Cptr + (multi * this->_C_multi_stride) + n0, |
| _beta, this->_ldb, (mmax-m0), (nmax-n0)); |
| } |
| } |
| } |
| } |
| }; |
| |
| } // namespace arm_gemm |