| /* |
| * 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 "ndrange.hpp" |
| |
| #ifdef CYCLE_PROFILING |
| #include "profiler.hpp" |
| #endif |
| |
| namespace arm_gemm { |
| |
| // Implementation of the GemmCommon abstract class. |
| // |
| // This is implementation is for native GEMM with no transposition. |
| // |
| // By default the source data is used in-place, but if type conversion is |
| // needed we need to allocate working space (CURRENTLY NOT IMPLEMENTED). |
| |
| template<typename strategy, typename To, typename Tr> |
| class GemmNative : public GemmCommon<To, Tr> { |
| typedef typename strategy::operand_type Toi; |
| typedef typename strategy::result_type Tri; |
| |
| const unsigned int _Msize; |
| const unsigned int _Nsize; |
| const unsigned int _Ksize; |
| |
| const unsigned int _nbatches; |
| const unsigned int _nmultis; |
| |
| const Activation _act; |
| |
| const CPUInfo * const _ci; |
| |
| const unsigned int _k_block; |
| const unsigned int _n_block; |
| |
| const NDRange<4> _window_range; |
| |
| static unsigned int compute_k_block(const GemmArgs &args) { |
| return args._Ksize; |
| } |
| |
| static unsigned int compute_n_block(const GemmArgs &args) { |
| if ((args._cfg != nullptr) && args._cfg->outer_block_size > 0) { |
| return args._cfg->outer_block_size; |
| } else { |
| return args._Nsize; |
| } |
| } |
| |
| public: |
| GemmNative(GemmNative &) = delete; |
| GemmNative & operator= (GemmNative &) = delete; |
| |
| GemmNative(const GemmArgs &args) |
| : _Msize(args._Msize), _Nsize(args._Nsize), _Ksize(args._Ksize), |
| _nbatches(args._nbatches), _nmultis(args._nmulti), |
| _act(args._act), _ci(args._ci), |
| _k_block(compute_k_block(args)), _n_block(compute_n_block(args)), |
| _window_range(iceildiv(_Msize, strategy::out_height()), _nbatches, iceildiv(_Nsize, _n_block), _nmultis) { } |
| |
| // Window is amount per multi multiplied by total number of multis. |
| unsigned int get_window_size() const override { |
| return _window_range.total_size(); |
| } |
| |
| // Native GEMMs can always be dynamically scheduled (whether requested or not) |
| bool supports_dynamic_scheduling() const override { |
| return true; |
| } |
| |
| // Actually execute the GEMM. |
| void execute(unsigned int start, unsigned int end, int) override { |
| #ifdef CYCLE_PROFILING |
| profiler prof; |
| #endif |
| strategy strat(_ci); |
| |
| static_assert(std::is_same<To, Toi>::value, "gemm_native: Operand types must be the same."); |
| static_assert(std::is_same<Tr, Tri>::value, "gemm_native: Result types must be the same."); |
| |
| auto p = _window_range.iterator(start, end); |
| |
| if (p.done()) { |
| return; |
| } |
| |
| do { |
| unsigned int y0 = p.dim(0) * strategy::out_height(); |
| unsigned int ymax = std::min(p.dim0_max() * strategy::out_height(), _Msize); |
| unsigned int batch = p.dim(1); |
| unsigned int n0 = p.dim(2) * _n_block; |
| unsigned int nmax = std::min(n0 + _n_block, _Nsize); |
| unsigned int multi = p.dim(3); |
| |
| #ifdef CYCLE_PROFILING |
| auto p = prof.ScopedProfiler(PROFILE_KERNEL, (ymax-y0) * (nmax - n0) * _Ksize); |
| #endif |
| |
| strat.kernel(this->_Aptr + (multi * this->_A_multi_stride) + (batch * this->_A_batch_stride) + (y0 * this->_lda), this->_lda, |
| this->_Bptr + (multi * this->_B_multi_stride) + n0, this->_ldb, |
| this->_Cptr + (multi * this->_C_multi_stride) + (batch * this->_C_batch_stride) + (y0 * this->_ldc) + n0, this->_ldc, |
| (ymax-y0), (nmax-n0), _Ksize, |
| (strategy::supports_bias() && this->_bias) ? this->_bias + (multi * this->_bias_multi_stride) + n0 : nullptr, |
| _act, false); |
| |
| // Add bias externally if needed |
| if (!strategy::supports_bias() && this->_bias) { |
| bias_adder(this->_Cptr + (multi * this->_C_multi_stride) + (batch * this->_C_batch_stride) + (y0 * this->_ldc) + n0, this->_ldc, |
| this->_bias + (multi * this->_bias_multi_stride) + n0, |
| (ymax - y0), (nmax - n0)); |
| } |
| } while (p.next_dim1()); |
| } |
| }; |
| |
| } // namespace arm_gemm |