| /* |
| * 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_compute/runtime/NEON/functions/NEGEMM.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/ITensor.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/runtime/NEON/AssemblyHelper.h" |
| #include "arm_compute/runtime/NEON/NEScheduler.h" |
| #include "arm_compute/runtime/TensorAllocator.h" |
| #include "support/ToolchainSupport.h" |
| |
| #include <cmath> |
| |
| namespace arm_compute |
| { |
| NEGEMM::NEGEMM(std::shared_ptr<IMemoryManager> memory_manager) |
| : _memory_group(std::move(memory_manager)), _interleave_kernel(), _transpose_kernel(), _mm_kernel(), _asm_glue(), _ma_kernel(), _tmp_a(), _tmp_b(), _workspace(), _B_pretransposed(), |
| _original_b(nullptr), _run_vector_matrix_multiplication(false), _run_addition(false), _reshape_b_only_on_first_run(false), _is_prepared(false) |
| { |
| } |
| |
| void NEGEMM::configure(const ITensor *a, const ITensor *b, const ITensor *c, ITensor *d, float alpha, float beta, const GEMMInfo &gemm_info) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(a, 1, DataType::F32, DataType::F16); |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(a, b, d); |
| ARM_COMPUTE_ERROR_ON_MSG(a->info()->dimension(0) != b->info()->dimension(1), "The product AB is defined only if the number of columns in A is equal to the number of rows in B"); |
| ARM_COMPUTE_ERROR_ON_MSG(gemm_info.is_a_reshaped(), "Matrix A already reshaped is not supported"); |
| ARM_COMPUTE_ERROR_ON_MSG(gemm_info.is_b_reshaped(), "Matrix B already reshaped is not supported"); |
| |
| if(c != nullptr) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(c, 1, DataType::F32, DataType::F16); |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(a, c); |
| ARM_COMPUTE_ERROR_ON_MSG(a->info()->dimension(1) != c->info()->dimension(1), "The C matrix must have the same number of rows as the matrix A"); |
| ARM_COMPUTE_ERROR_ON_MSG(b->info()->dimension(0) != c->info()->dimension(0), "The C matrix must have the same number of columns as the matrix B"); |
| ARM_COMPUTE_ERROR_ON_MSG(c->info()->dimension(0) != d->info()->dimension(0), "The C matrix must have the same number of rows as the output matrix"); |
| ARM_COMPUTE_ERROR_ON_MSG(c->info()->dimension(1) != d->info()->dimension(1), "The C matrix must have the same number of columns as the output matrix"); |
| } |
| |
| // Check if we need to reshape the matrix B only on the first run |
| _is_prepared = false; |
| _reshape_b_only_on_first_run = gemm_info.reshape_b_only_on_first_run(); |
| _run_vector_matrix_multiplication = a->info()->dimension(1) < 2; |
| _original_b = b; |
| _asm_glue._optimised_kernel = nullptr; |
| |
| const bool run_optimised = a->info()->data_type() == DataType::F32 && (c == nullptr || beta == 0.f) |
| && setup_assembly_kernel(a, b, d, alpha, beta, _reshape_b_only_on_first_run, _workspace, _B_pretransposed, _memory_group, _asm_glue); |
| |
| // Check if the first input tensor is a vector. |
| // If so, all the kernels for reshaping the tensors can be skipped |
| if(_run_vector_matrix_multiplication) |
| { |
| if(!run_optimised) |
| { |
| // Configure the matrix multiply kernel |
| _mm_kernel.configure(a, b, d, alpha, false); |
| } |
| |
| // Configure matrix addition kernel |
| if(beta != 0 && c != nullptr) |
| { |
| _ma_kernel.configure(c, d, beta); |
| _run_addition = true; |
| } |
| } |
| else |
| { |
| if(!run_optimised) |
| { |
| TensorShape shape_tmp_a = a->info()->tensor_shape(); |
| TensorShape shape_tmp_b = b->info()->tensor_shape(); |
| |
| shape_tmp_a.set(0, a->info()->dimension(0) * 4); |
| shape_tmp_a.set(1, std::ceil(a->info()->dimension(1) / 4.0f)); |
| |
| const unsigned int transpose_w = 16 / data_size_from_type(b->info()->data_type()); |
| shape_tmp_b.set(0, b->info()->dimension(1) * transpose_w); |
| shape_tmp_b.set(1, std::ceil(b->info()->dimension(0) / static_cast<float>(transpose_w))); |
| |
| TensorInfo info_a(shape_tmp_a, 1, a->info()->data_type()); |
| TensorInfo info_b(shape_tmp_b, 1, b->info()->data_type()); |
| |
| _tmp_a.allocator()->init(info_a); |
| _tmp_b.allocator()->init(info_b); |
| |
| // Manage intermediate buffers |
| _memory_group.manage(&_tmp_a); |
| if(!_reshape_b_only_on_first_run) |
| { |
| _memory_group.manage(&_tmp_b); |
| } |
| |
| int m = a->info()->dimension(1); |
| int n = b->info()->dimension(0); |
| int k = a->info()->dimension(0); |
| |
| // Configure interleave kernel |
| _interleave_kernel.configure(a, &_tmp_a); |
| |
| // Configure transpose kernel |
| _transpose_kernel.configure(b, &_tmp_b); |
| |
| // Configure matrix multiplication kernel |
| _mm_kernel.configure(&_tmp_a, &_tmp_b, d, alpha, true, GEMMReshapeInfo(m, n, k)); |
| |
| // Allocate once the all configure methods have been called |
| _tmp_a.allocator()->allocate(); |
| if(!_reshape_b_only_on_first_run) |
| { |
| _tmp_b.allocator()->allocate(); |
| } |
| |
| // Configure matrix addition kernel |
| if(beta != 0 && c != nullptr) |
| { |
| _ma_kernel.configure(c, d, beta); |
| _run_addition = true; |
| } |
| } |
| } |
| } |
| |
| void NEGEMM::run() |
| { |
| prepare(); |
| |
| if(_asm_glue._optimised_kernel != nullptr) |
| { |
| _memory_group.acquire(); |
| _asm_glue.run(); |
| _memory_group.release(); |
| } |
| else |
| { |
| _memory_group.acquire(); |
| |
| if(!_run_vector_matrix_multiplication) |
| { |
| // Run interleave kernel |
| NEScheduler::get().schedule(&_interleave_kernel, Window::DimY); |
| |
| if(!_reshape_b_only_on_first_run) |
| { |
| // Run transpose kernel |
| NEScheduler::get().schedule(&_transpose_kernel, Window::DimY); |
| } |
| } |
| |
| NEScheduler::get().schedule(&_mm_kernel, _run_vector_matrix_multiplication ? Window::DimX : Window::DimY); |
| |
| _memory_group.release(); |
| |
| // Run matrix addition kernel |
| if(_run_addition) |
| { |
| NEScheduler::get().schedule(&_ma_kernel, Window::DimY); |
| } |
| } |
| } |
| |
| void NEGEMM::prepare() |
| { |
| if(!_is_prepared) |
| { |
| if(_asm_glue._optimised_kernel) |
| { |
| ARM_COMPUTE_ERROR_ON(!_original_b->is_used()); |
| |
| _asm_glue.prepare(); |
| _original_b->mark_as_unused(); |
| } |
| else if(_reshape_b_only_on_first_run && !_run_vector_matrix_multiplication && !_asm_glue._optimised_kernel) |
| { |
| ARM_COMPUTE_ERROR_ON(!_original_b->is_used()); |
| |
| _tmp_b.allocator()->allocate(); |
| NEScheduler::get().schedule(&_transpose_kernel, Window::DimY); |
| _original_b->mark_as_unused(); |
| } |
| |
| _is_prepared = true; |
| } |
| } |
| } // namespace arm_compute |