Isabella Gottardi | ee7c15d | 2018-12-17 16:15:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018-2019 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "arm_compute/runtime/NEON/functions/NEStackLayer.h" |
| 25 | |
| 26 | #include "arm_compute/core/Error.h" |
| 27 | #include "arm_compute/core/Helpers.h" |
| 28 | #include "arm_compute/core/ITensor.h" |
| 29 | #include "arm_compute/core/TensorInfo.h" |
| 30 | #include "arm_compute/core/Types.h" |
| 31 | #include "arm_compute/core/utils/misc/ShapeCalculator.h" |
| 32 | #include "arm_compute/runtime/NEON/NEScheduler.h" |
| 33 | |
| 34 | #include "support/ToolchainSupport.h" |
| 35 | namespace arm_compute |
| 36 | { |
| 37 | NEStackLayer::NEStackLayer() // NOLINT |
| 38 | : _input(), |
| 39 | _stack_kernels(), |
| 40 | _num_inputs(0) |
| 41 | { |
| 42 | } |
| 43 | |
| 44 | void NEStackLayer::configure(const std::vector<ITensor *> &input, int axis, ITensor *output) |
| 45 | { |
| 46 | _num_inputs = input.size(); |
| 47 | _stack_kernels = arm_compute::support::cpp14::make_unique<NEStackLayerKernel[]>(_num_inputs); |
| 48 | |
| 49 | // Wrap around negative values |
| 50 | const unsigned int axis_u = wrap_around(axis, static_cast<int>(input[0]->info()->num_dimensions() + 1)); |
| 51 | |
| 52 | for(unsigned int i = 0; i < _num_inputs; i++) |
| 53 | { |
| 54 | _stack_kernels[i].configure(input[i], axis_u, i, _num_inputs, output); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | Status NEStackLayer::validate(const std::vector<ITensorInfo *> &input, int axis, const ITensorInfo *output) |
| 59 | { |
| 60 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(output); |
| 61 | ARM_COMPUTE_RETURN_ERROR_ON(input.empty()); |
| 62 | |
| 63 | // Wrap around negative values |
| 64 | const size_t rank = input[0]->num_dimensions(); |
| 65 | const unsigned int axis_u = wrap_around(axis, static_cast<int>(rank + 1)); |
| 66 | |
| 67 | const unsigned int num_inputs = input.size(); |
| 68 | |
| 69 | for(unsigned int i = 0; i < num_inputs; i++) |
| 70 | { |
| 71 | // All the tensors must have the same rank |
| 72 | ARM_COMPUTE_RETURN_ERROR_ON(input[i]->num_dimensions() != rank); |
| 73 | // Validate Kernel |
| 74 | ARM_COMPUTE_RETURN_ON_ERROR(NEStackLayerKernel::validate(input[i], axis_u, i, num_inputs, output)); |
| 75 | } |
| 76 | |
| 77 | return Status{}; |
| 78 | } |
| 79 | |
| 80 | void NEStackLayer::run() |
| 81 | { |
| 82 | for(unsigned i = 0; i < _num_inputs; i++) |
| 83 | { |
| 84 | NEScheduler::get().schedule(&_stack_kernels[i], Window::DimY); |
| 85 | } |
| 86 | } |
| 87 | } // namespace arm_compute |