Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 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/CL/functions/CLSoftmaxLayer.h" |
| 25 | |
| 26 | #include "arm_compute/core/CL/kernels/CLSoftmaxLayerKernel.h" |
| 27 | #include "arm_compute/core/Helpers.h" |
| 28 | #include "arm_compute/runtime/CL/CLScheduler.h" |
| 29 | |
| 30 | using namespace arm_compute; |
| 31 | |
| 32 | CLSoftmaxLayer::CLSoftmaxLayer() |
| 33 | : _max_kernel(), _shift_exp_sum_kernel(), _norm_kernel(), _max(), _sum(), _tmp() |
| 34 | { |
| 35 | } |
| 36 | |
| 37 | void CLSoftmaxLayer::configure(const ICLTensor *input, ICLTensor *output) |
| 38 | { |
Georgios Pinitas | e5f8fd6 | 2017-06-23 18:03:44 +0100 | [diff] [blame] | 39 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QS8, DataType::F16, DataType::F32); |
| 40 | ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 41 | |
| 42 | // Create intermediate tensors shapes |
Georgios Pinitas | e5f8fd6 | 2017-06-23 18:03:44 +0100 | [diff] [blame] | 43 | _tmp.allocator()->init(TensorInfo(input->info()->tensor_shape(), input->info()->num_channels(), input->info()->data_type(), input->info()->fixed_point_position())); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 44 | |
| 45 | TensorShape shape = input->info()->tensor_shape(); |
| 46 | shape.set(0, 1); |
Georgios Pinitas | e5f8fd6 | 2017-06-23 18:03:44 +0100 | [diff] [blame] | 47 | TensorInfo tensor_info_max_sum(shape, input->info()->num_channels(), input->info()->data_type(), input->info()->fixed_point_position()); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 48 | _max.allocator()->init(tensor_info_max_sum); |
| 49 | _sum.allocator()->init(tensor_info_max_sum); |
| 50 | |
| 51 | // Configure Kernels |
| 52 | _max_kernel.configure(input, &_max); |
| 53 | _shift_exp_sum_kernel.configure(input, &_max, &_tmp, &_sum); |
| 54 | _norm_kernel.configure(&_tmp, &_sum, output); |
| 55 | |
| 56 | // Allocate intermediate buffers |
| 57 | _tmp.allocator()->allocate(); |
| 58 | _max.allocator()->allocate(); |
| 59 | _sum.allocator()->allocate(); |
| 60 | } |
| 61 | |
| 62 | void CLSoftmaxLayer::run() |
| 63 | { |
| 64 | CLScheduler::get().enqueue(_max_kernel, false); |
| 65 | CLScheduler::get().enqueue(_shift_exp_sum_kernel, false); |
| 66 | CLScheduler::get().enqueue(_norm_kernel); |
| 67 | } |