| /* |
| * 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/NESoftmaxLayer.h" |
| |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/NEON/kernels/NESoftmaxLayerKernel.h" |
| #include "arm_compute/runtime/NEON/NEScheduler.h" |
| |
| #include <cfloat> |
| |
| using namespace arm_compute; |
| |
| NESoftmaxLayer::NESoftmaxLayer(std::shared_ptr<IMemoryManager> memory_manager) |
| : _memory_group(std::move(memory_manager)), _max_kernel(), _softmax_kernel(), _fill_border_kernel(), _max(), _tmp() |
| { |
| } |
| |
| void NESoftmaxLayer::configure(ITensor *input, ITensor *output, float beta) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
| |
| // Configure Kernels |
| _max_kernel.configure(input, &_max); |
| _fill_border_kernel.configure(input, _max_kernel.border_size(), BorderMode::REPLICATE); |
| _softmax_kernel.configure(input, &_max, output, beta, &_tmp); |
| |
| // Init intermediate tensors |
| _max.allocator()->init(*_max.info()); |
| _tmp.allocator()->init(*_tmp.info()); |
| |
| // Manage intermediate buffers |
| _memory_group.manage(&_max); |
| _memory_group.manage(&_tmp); |
| |
| // Allocate intermediate tensors |
| _max.allocator()->allocate(); |
| _tmp.allocator()->allocate(); |
| } |
| |
| Status NESoftmaxLayer::validate(const ITensorInfo *input, const ITensorInfo *output, float beta) |
| { |
| // Perform validation step |
| ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output); |
| |
| const TensorShape max_shape = TensorShape(input->tensor_shape()).set(0, 1); |
| const TensorInfo tensor_info_max_sum = TensorInfo(*input).set_tensor_shape(max_shape).reset_padding(); |
| const TensorInfo dont_care; |
| |
| ARM_COMPUTE_RETURN_ON_ERROR(NELogits1DMaxKernel::validate(input, &tensor_info_max_sum)); |
| ARM_COMPUTE_RETURN_ON_ERROR(NELogits1DSoftmaxKernel::validate(input, &tensor_info_max_sum, output, beta, &dont_care)); |
| |
| return Status{}; |
| } |
| |
| void NESoftmaxLayer::run() |
| { |
| _memory_group.acquire(); |
| |
| NEScheduler::get().schedule(&_fill_border_kernel, Window::DimY); |
| NEScheduler::get().schedule(&_max_kernel, Window::DimY); |
| NEScheduler::get().schedule(&_softmax_kernel, Window::DimY); |
| |
| _memory_group.release(); |
| } |