giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 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/core/NEON/kernels/NEFFTDigitReverseKernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/ITensor.h" |
| 27 | #include "arm_compute/core/TensorInfo.h" |
| 28 | #include "arm_compute/core/Types.h" |
| 29 | #include "arm_compute/core/Validate.h" |
| 30 | #include "arm_compute/core/Window.h" |
| 31 | |
| 32 | namespace arm_compute |
| 33 | { |
| 34 | namespace |
| 35 | { |
| 36 | Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, const ITensorInfo *idx, unsigned int axis) |
| 37 | { |
| 38 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 2, DataType::F32); |
| 39 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(idx, 1, DataType::U32); |
giuros01 | 05fb448 | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 40 | ARM_COMPUTE_RETURN_ERROR_ON(axis > 1); |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 41 | |
| 42 | // Checks performed when output is configured |
| 43 | if((output != nullptr) && (output->total_size() != 0)) |
| 44 | { |
| 45 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input, output); |
| 46 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| 47 | } |
| 48 | |
| 49 | return Status{}; |
| 50 | } |
| 51 | |
| 52 | std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *output, ITensorInfo *idx, unsigned int axis) |
| 53 | { |
| 54 | ARM_COMPUTE_UNUSED(idx, axis); |
| 55 | |
| 56 | auto_init_if_empty(*output, *input); |
| 57 | |
| 58 | Window win = calculate_max_window(*output, Steps()); |
| 59 | output->set_valid_region(ValidRegion(Coordinates(), output->tensor_shape())); |
| 60 | |
| 61 | return std::make_pair(Status{}, win); |
| 62 | } |
| 63 | } // namespace |
| 64 | |
| 65 | NEFFTDigitReverseKernel::NEFFTDigitReverseKernel() |
| 66 | : _input(nullptr), _output(nullptr), _idx(nullptr), _axis(0) |
| 67 | { |
| 68 | } |
| 69 | |
| 70 | void NEFFTDigitReverseKernel::configure(const ITensor *input, ITensor *output, const ITensor *idx, unsigned int axis) |
| 71 | { |
| 72 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, output, idx); |
| 73 | ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info(), idx->info(), axis)); |
| 74 | |
| 75 | _input = input; |
| 76 | _output = output; |
| 77 | _idx = idx; |
| 78 | _axis = axis; |
| 79 | |
| 80 | // Configure kernel window |
| 81 | auto win_config = validate_and_configure_window(input->info(), output->info(), idx->info(), axis); |
| 82 | ARM_COMPUTE_ERROR_THROW_ON(win_config.first); |
| 83 | INEKernel::configure(win_config.second); |
| 84 | } |
| 85 | |
| 86 | Status NEFFTDigitReverseKernel::validate(const ITensorInfo *input, const ITensorInfo *output, const ITensorInfo *idx, unsigned int axis) |
| 87 | { |
| 88 | ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output, idx, axis)); |
| 89 | ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), output->clone().get(), idx->clone().get(), axis).first); |
| 90 | return Status{}; |
| 91 | } |
| 92 | |
| 93 | void NEFFTDigitReverseKernel::run(const Window &window, const ThreadInfo &info) |
| 94 | { |
| 95 | ARM_COMPUTE_UNUSED(info); |
| 96 | Iterator out(_output, window); |
| 97 | const size_t element_size = _input->info()->element_size(); |
| 98 | |
giuros01 | 05fb448 | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 99 | // Pointers to the buffers |
| 100 | const size_t offset = _input->info()->offset_first_element_in_bytes(); |
| 101 | auto *idx_ptr = reinterpret_cast<unsigned int *>(_idx->buffer()); |
| 102 | uint8_t *input_ptr = offset + _input->buffer(); |
| 103 | |
| 104 | // Strides |
| 105 | const size_t stride_x = _input->info()->strides_in_bytes()[0]; |
| 106 | const size_t stride_y = _input->info()->strides_in_bytes()[1]; |
| 107 | const size_t stride_z = _input->info()->strides_in_bytes()[2]; |
| 108 | const size_t stride_w = _input->info()->strides_in_bytes()[3]; |
| 109 | |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 110 | execute_window_loop(window, [&](const Coordinates & id) |
| 111 | { |
giuros01 | 05fb448 | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 112 | unsigned int in_index_1d = idx_ptr[id[_axis]]; |
| 113 | auto reverse_id = id; |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 114 | reverse_id.set(_axis, in_index_1d); |
| 115 | |
giuros01 | 05fb448 | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 116 | memcpy(out.ptr(), input_ptr + reverse_id.x() * stride_x + reverse_id.y() * stride_y + reverse_id.z() * stride_z + reverse_id[3] * stride_w, element_size); |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 117 | }, |
| 118 | out); |
| 119 | |
| 120 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 121 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); |
| 122 | } |
| 123 | } // namespace arm_compute |