Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 1 | /* |
Joel Liang | abd03cf | 2018-01-08 15:20:48 +0800 | [diff] [blame] | 2 | * Copyright (c) 2017, 2018 ARM Limited. |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 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 | |
Gian Marco | ff85093 | 2017-12-11 12:37:17 +0000 | [diff] [blame] | 25 | #include "arm_compute/core/GLES_COMPUTE/kernels/GCDropoutLayerKernel.h" |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 26 | |
| 27 | #include "arm_compute/core/Error.h" |
| 28 | #include "arm_compute/core/GLES_COMPUTE/GCHelpers.h" |
| 29 | #include "arm_compute/core/GLES_COMPUTE/GCKernelLibrary.h" |
| 30 | #include "arm_compute/core/GLES_COMPUTE/IGCTensor.h" |
| 31 | #include "arm_compute/core/GLES_COMPUTE/OpenGLES.h" |
| 32 | #include "arm_compute/core/Helpers.h" |
| 33 | #include "arm_compute/core/Types.h" |
| 34 | #include "arm_compute/core/Validate.h" |
| 35 | #include "support/ToolchainSupport.h" |
| 36 | |
| 37 | #include <cmath> |
| 38 | #include <random> |
| 39 | #include <tuple> |
| 40 | |
| 41 | using namespace arm_compute; |
| 42 | |
Gian Marco | ff85093 | 2017-12-11 12:37:17 +0000 | [diff] [blame] | 43 | GCDropoutLayerKernel::GCDropoutLayerKernel() |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 44 | : _input(nullptr), _mask(nullptr), _output(nullptr), _num_elems_processed_per_iteration(0) |
| 45 | { |
| 46 | } |
| 47 | |
Gian Marco | ff85093 | 2017-12-11 12:37:17 +0000 | [diff] [blame] | 48 | void GCDropoutLayerKernel::configure(const IGCTensor *input, IGCTensor *mask, IGCTensor *output, float ratio, bool forward) |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 49 | { |
| 50 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F16, DataType::F32); |
| 51 | ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, mask, output); |
| 52 | |
| 53 | _input = input; |
| 54 | _mask = mask; |
| 55 | _output = output; |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 56 | |
| 57 | std::set<std::string> build_opts; |
| 58 | std::string dt_name = (input->info()->data_type() == DataType::F32) ? "DATA_TYPE_FP32" : "DATA_TYPE_FP16"; |
| 59 | std::string fporbp = forward ? "FORWARD" : "BACKWARD"; |
| 60 | std::random_device rd; |
| 61 | std::mt19937 mt(rd()); |
| 62 | std::uniform_real_distribution<float> dist(0.f, 1.f); |
| 63 | |
| 64 | build_opts.emplace("#define LOCAL_SIZE_X " + support::cpp11::to_string(1)); |
| 65 | build_opts.emplace("#define LOCAL_SIZE_Y " + support::cpp11::to_string(1)); |
| 66 | build_opts.emplace("#define LOCAL_SIZE_Z " + support::cpp11::to_string(1)); |
| 67 | build_opts.emplace("#define RATIO " + support::cpp11::to_string(ratio)); |
| 68 | build_opts.emplace("#define SCALE " + support::cpp11::to_string(1. / (1. - ratio))); |
| 69 | build_opts.emplace("#define SEED " + support::cpp11::to_string(dist(mt))); |
| 70 | build_opts.emplace("#define " + dt_name); |
| 71 | build_opts.emplace("#define " + fporbp); |
| 72 | |
| 73 | _num_elems_processed_per_iteration = 4 / input->info()->element_size(); |
| 74 | |
| 75 | // Create kernel |
| 76 | _kernel = static_cast<GCKernel>(GCKernelLibrary::get().create_kernel("dropout", build_opts)); |
| 77 | |
| 78 | // Configure kernel window |
| 79 | Window win = calculate_max_window(*input->info(), Steps(_num_elems_processed_per_iteration)); |
| 80 | |
| 81 | output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape())); |
| 82 | |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 83 | IGCKernel::configure(win); |
| 84 | } |
| 85 | |
Gian Marco | ff85093 | 2017-12-11 12:37:17 +0000 | [diff] [blame] | 86 | void GCDropoutLayerKernel::run(const Window &window) |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 87 | { |
| 88 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 89 | ARM_COMPUTE_ERROR_ON_MISMATCHING_WINDOWS(IGCKernel::window(), window); |
| 90 | |
| 91 | _kernel.use(); |
| 92 | |
| 93 | Window slice = window.first_slice_window_3D(); |
| 94 | |
| 95 | do |
| 96 | { |
| 97 | unsigned int idx = 0; |
| 98 | |
Joel Liang | abd03cf | 2018-01-08 15:20:48 +0800 | [diff] [blame] | 99 | add_3D_tensor_argument(idx, _input, 1, slice); |
| 100 | add_3D_tensor_argument(idx, _mask, 2, slice); |
| 101 | add_3D_tensor_argument(idx, _output, 3, slice); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 102 | |
| 103 | _kernel.update_shader_params(); |
| 104 | enqueue(*this, slice); |
| 105 | } |
| 106 | while(window.slide_window_slice_3D(slice)); |
| 107 | } |