| /* |
| * Copyright (c) 2019-2020 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/NEInstanceNormalizationLayer.h" |
| |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/KernelDescriptors.h" |
| #include "arm_compute/runtime/NEON/NEScheduler.h" |
| |
| namespace arm_compute |
| { |
| NEInstanceNormalizationLayer::NEInstanceNormalizationLayer(std::shared_ptr<IMemoryManager> memory_manager) |
| : _memory_group(std::move(memory_manager)), _normalization_kernel(), _is_nchw(false), _permute_input(), _permute_output(), _permuted_input(), _permuted_output() |
| { |
| } |
| |
| void NEInstanceNormalizationLayer::configure(ITensor *input, ITensor *output, float gamma, float beta, float epsilon) |
| { |
| const DataLayout data_layout = input->info()->data_layout(); |
| const auto kernel_descriptor = InstanceNormalizationLayerKernelInfo{ gamma, beta, epsilon, true }; |
| |
| // Configure Kernels |
| _is_nchw = data_layout == DataLayout::NCHW; |
| |
| if(!_is_nchw) |
| { |
| _memory_group.manage(&_permuted_input); |
| _memory_group.manage(&_permuted_output); |
| |
| // Configure the function to transform the input tensor from NHWC -> NCHW |
| _permute_input.configure(input, &_permuted_input, PermutationVector(1U, 2U, 0U)); |
| _permuted_input.info()->set_data_layout(DataLayout::NCHW); |
| |
| _normalization_kernel.configure(&_permuted_input, &_permuted_output, kernel_descriptor); |
| _permuted_output.info()->set_data_layout(DataLayout::NCHW); |
| |
| _permute_output.configure(&_permuted_output, output != nullptr ? output : input, PermutationVector(2U, 0U, 1U)); |
| _permuted_input.allocator()->allocate(); |
| _permuted_output.allocator()->allocate(); |
| } |
| else |
| { |
| _normalization_kernel.configure(input, output, kernel_descriptor); |
| } |
| } |
| |
| Status NEInstanceNormalizationLayer::validate(const ITensorInfo *input, const ITensorInfo *output, float gamma, float beta, float epsilon) |
| { |
| return NEInstanceNormalizationLayerKernel::validate(&input->clone()->set_data_layout(DataLayout::NCHW), |
| &output->clone()->set_data_layout(DataLayout::NCHW), |
| InstanceNormalizationLayerKernelInfo{ gamma, beta, epsilon, true }); |
| } |
| |
| void NEInstanceNormalizationLayer::run() |
| { |
| MemoryGroupResourceScope scope_mg(_memory_group); |
| |
| // Permute input |
| if(!_is_nchw) |
| { |
| _permute_input.run(); |
| } |
| |
| NEScheduler::get().schedule(&_normalization_kernel, Window::DimZ); |
| |
| // Permute output |
| if(!_is_nchw) |
| { |
| _permute_output.run(); |
| } |
| } |
| } // namespace arm_compute |