Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2019-2020 Arm Limited. |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [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 | #include "arm_compute/runtime/CL/functions/CLFFT1D.h" |
| 25 | |
| 26 | #include "arm_compute/core/CL/ICLTensor.h" |
| 27 | #include "arm_compute/core/Validate.h" |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 28 | #include "arm_compute/runtime/CL/CLScheduler.h" |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 29 | #include "src/core/CL/kernels/CLFFTDigitReverseKernel.h" |
| 30 | #include "src/core/CL/kernels/CLFFTRadixStageKernel.h" |
| 31 | #include "src/core/CL/kernels/CLFFTScaleKernel.h" |
Sang-Hoon Park | 68dd25f | 2020-10-19 16:00:11 +0100 | [diff] [blame] | 32 | #include "src/core/utils/helpers/fft.h" |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 33 | |
| 34 | namespace arm_compute |
| 35 | { |
| 36 | CLFFT1D::CLFFT1D(std::shared_ptr<IMemoryManager> memory_manager) |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 37 | : _memory_group(std::move(memory_manager)), |
Georgios Pinitas | 40f51a6 | 2020-11-21 03:04:18 +0000 | [diff] [blame] | 38 | _digit_reverse_kernel(std::make_unique<CLFFTDigitReverseKernel>()), |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 39 | _fft_kernels(), |
Georgios Pinitas | 40f51a6 | 2020-11-21 03:04:18 +0000 | [diff] [blame] | 40 | _scale_kernel(std::make_unique<CLFFTScaleKernel>()), |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 41 | _digit_reversed_input(), |
| 42 | _digit_reverse_indices(), |
| 43 | _num_ffts(0), |
| 44 | _run_scale(false) |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 45 | { |
| 46 | } |
| 47 | |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 48 | CLFFT1D::~CLFFT1D() = default; |
| 49 | |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 50 | void CLFFT1D::configure(const ICLTensor *input, ICLTensor *output, const FFT1DInfo &config) |
| 51 | { |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 52 | configure(CLKernelLibrary::get().get_compile_context(), input, output, config); |
| 53 | } |
| 54 | |
| 55 | void CLFFT1D::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, const FFT1DInfo &config) |
| 56 | { |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 57 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
| 58 | ARM_COMPUTE_ERROR_THROW_ON(CLFFT1D::validate(input->info(), output->info(), config)); |
| 59 | |
| 60 | // Decompose size to radix factors |
| 61 | const auto supported_radix = CLFFTRadixStageKernel::supported_radix(); |
| 62 | const unsigned int N = input->info()->tensor_shape()[config.axis]; |
| 63 | const auto decomposed_vector = arm_compute::helpers::fft::decompose_stages(N, supported_radix); |
| 64 | ARM_COMPUTE_ERROR_ON(decomposed_vector.empty()); |
| 65 | |
Georgios Pinitas | 8be9148 | 2019-03-26 17:23:28 +0000 | [diff] [blame] | 66 | // Flags |
| 67 | _run_scale = config.direction == FFTDirection::Inverse; |
| 68 | const bool is_c2r = input->info()->num_channels() == 2 && output->info()->num_channels() == 1; |
| 69 | |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 70 | // Configure digit reverse |
Georgios Pinitas | 8be9148 | 2019-03-26 17:23:28 +0000 | [diff] [blame] | 71 | FFTDigitReverseKernelInfo digit_reverse_config; |
| 72 | digit_reverse_config.axis = config.axis; |
| 73 | digit_reverse_config.conjugate = config.direction == FFTDirection::Inverse; |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 74 | TensorInfo digit_reverse_indices_info(TensorShape(input->info()->tensor_shape()[config.axis]), 1, DataType::U32); |
| 75 | _digit_reverse_indices.allocator()->init(digit_reverse_indices_info); |
| 76 | _memory_group.manage(&_digit_reversed_input); |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 77 | _digit_reverse_kernel->configure(compile_context, input, &_digit_reversed_input, &_digit_reverse_indices, digit_reverse_config); |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 78 | |
| 79 | // Create and configure FFT kernels |
| 80 | unsigned int Nx = 1; |
| 81 | _num_ffts = decomposed_vector.size(); |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 82 | _fft_kernels.reserve(_num_ffts); |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 83 | for(unsigned int i = 0; i < _num_ffts; ++i) |
| 84 | { |
| 85 | const unsigned int radix_for_stage = decomposed_vector.at(i); |
| 86 | |
Georgios Pinitas | 8be9148 | 2019-03-26 17:23:28 +0000 | [diff] [blame] | 87 | FFTRadixStageKernelInfo fft_kernel_info; |
| 88 | fft_kernel_info.axis = config.axis; |
| 89 | fft_kernel_info.radix = radix_for_stage; |
| 90 | fft_kernel_info.Nx = Nx; |
| 91 | fft_kernel_info.is_first_stage = (i == 0); |
Georgios Pinitas | 40f51a6 | 2020-11-21 03:04:18 +0000 | [diff] [blame] | 92 | _fft_kernels.emplace_back(std::make_unique<CLFFTRadixStageKernel>()); |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 93 | _fft_kernels.back()->configure(compile_context, &_digit_reversed_input, ((i == (_num_ffts - 1)) && !is_c2r) ? output : nullptr, fft_kernel_info); |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 94 | |
| 95 | Nx *= radix_for_stage; |
| 96 | } |
| 97 | |
Georgios Pinitas | 8be9148 | 2019-03-26 17:23:28 +0000 | [diff] [blame] | 98 | // Configure scale kernel |
| 99 | if(_run_scale) |
| 100 | { |
| 101 | FFTScaleKernelInfo scale_config; |
| 102 | scale_config.scale = static_cast<float>(N); |
| 103 | scale_config.conjugate = config.direction == FFTDirection::Inverse; |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 104 | is_c2r ? _scale_kernel->configure(compile_context, &_digit_reversed_input, output, scale_config) : _scale_kernel->configure(output, nullptr, scale_config); |
Georgios Pinitas | 8be9148 | 2019-03-26 17:23:28 +0000 | [diff] [blame] | 105 | } |
| 106 | |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 107 | // Allocate tensors |
| 108 | _digit_reversed_input.allocator()->allocate(); |
| 109 | _digit_reverse_indices.allocator()->allocate(); |
| 110 | |
| 111 | // Init digit reverse indices |
| 112 | const auto digit_reverse_cpu = arm_compute::helpers::fft::digit_reverse_indices(N, decomposed_vector); |
| 113 | _digit_reverse_indices.map(CLScheduler::get().queue(), true); |
| 114 | std::copy_n(digit_reverse_cpu.data(), N, reinterpret_cast<unsigned int *>(_digit_reverse_indices.buffer())); |
| 115 | _digit_reverse_indices.unmap(CLScheduler::get().queue()); |
| 116 | } |
| 117 | |
| 118 | Status CLFFT1D::validate(const ITensorInfo *input, const ITensorInfo *output, const FFT1DInfo &config) |
| 119 | { |
| 120 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output); |
Giorgio Arena | ea7de7b | 2020-12-10 16:49:39 +0000 | [diff] [blame] | 121 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_NOT_IN(input, DataType::F16, DataType::F32); |
Georgios Pinitas | 8be9148 | 2019-03-26 17:23:28 +0000 | [diff] [blame] | 122 | ARM_COMPUTE_RETURN_ERROR_ON(input->num_channels() != 1 && input->num_channels() != 2); |
| 123 | ARM_COMPUTE_RETURN_ERROR_ON(std::set<unsigned int>({ 0, 1 }).count(config.axis) == 0); |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 124 | |
| 125 | // Check if FFT is decomposable |
| 126 | const auto supported_radix = CLFFTRadixStageKernel::supported_radix(); |
| 127 | const unsigned int N = input->tensor_shape()[config.axis]; |
| 128 | const auto decomposed_vector = arm_compute::helpers::fft::decompose_stages(N, supported_radix); |
| 129 | ARM_COMPUTE_RETURN_ERROR_ON(decomposed_vector.empty()); |
| 130 | |
| 131 | // Checks performed when output is configured |
| 132 | if((output != nullptr) && (output->total_size() != 0)) |
| 133 | { |
Georgios Pinitas | 8be9148 | 2019-03-26 17:23:28 +0000 | [diff] [blame] | 134 | ARM_COMPUTE_RETURN_ERROR_ON(output->num_channels() == 1 && input->num_channels() == 1); |
| 135 | ARM_COMPUTE_RETURN_ERROR_ON(output->num_channels() != 1 && output->num_channels() != 2); |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 136 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input, output); |
| 137 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| 138 | } |
| 139 | |
| 140 | return Status{}; |
| 141 | } |
| 142 | |
| 143 | void CLFFT1D::run() |
| 144 | { |
Georgios Pinitas | da953f2 | 2019-04-02 17:27:03 +0100 | [diff] [blame] | 145 | MemoryGroupResourceScope scope_mg(_memory_group); |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 146 | |
Georgios Pinitas | 8be9148 | 2019-03-26 17:23:28 +0000 | [diff] [blame] | 147 | // Run digit reverse |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 148 | CLScheduler::get().enqueue(*_digit_reverse_kernel, false); |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 149 | |
Georgios Pinitas | 8be9148 | 2019-03-26 17:23:28 +0000 | [diff] [blame] | 150 | // Run radix kernels |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 151 | for(unsigned int i = 0; i < _num_ffts; ++i) |
| 152 | { |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 153 | CLScheduler::get().enqueue(*_fft_kernels[i], i == (_num_ffts - 1) && !_run_scale); |
Georgios Pinitas | 8be9148 | 2019-03-26 17:23:28 +0000 | [diff] [blame] | 154 | } |
| 155 | |
| 156 | // Run output scaling |
| 157 | if(_run_scale) |
| 158 | { |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 159 | CLScheduler::get().enqueue(*_scale_kernel, true); |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 160 | } |
Georgios Pinitas | 0bc7849 | 2019-03-18 20:07:37 +0000 | [diff] [blame] | 161 | } |
| 162 | } // namespace arm_compute |