giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 1 | /* |
Manuel Bottini | 9a81cd8 | 2021-04-15 17:44:55 +0100 | [diff] [blame] | 2 | * Copyright (c) 2019-2021 Arm Limited. |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +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 | */ |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 24 | #ifndef ARM_COMPUTE_NEFFTRADIXSTAGEKERNEL_H |
| 25 | #define ARM_COMPUTE_NEFFTRADIXSTAGEKERNEL_H |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 26 | |
giuros01 | 05fb448 | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 27 | #include "arm_compute/core/KernelDescriptors.h" |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame] | 28 | |
Michalis Spyrou | ebcebf1 | 2020-10-21 00:04:14 +0100 | [diff] [blame] | 29 | #include "src/core/NEON/INEKernel.h" |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 30 | |
giuros01 | 05fb448 | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 31 | #include <arm_neon.h> |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 32 | #include <set> |
| 33 | |
| 34 | namespace arm_compute |
| 35 | { |
| 36 | // Forward declarations |
| 37 | class ITensor; |
| 38 | |
| 39 | /** Interface for the FFT kernel. */ |
| 40 | class NEFFTRadixStageKernel : public INEKernel |
| 41 | { |
| 42 | public: |
| 43 | const char *name() const override |
| 44 | { |
| 45 | return "NEFFTRadixStageKernel"; |
| 46 | } |
| 47 | /** Constructor */ |
| 48 | NEFFTRadixStageKernel(); |
| 49 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 50 | NEFFTRadixStageKernel(const NEFFTRadixStageKernel &) = delete; |
| 51 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 52 | NEFFTRadixStageKernel &operator=(const NEFFTRadixStageKernel &) = delete; |
| 53 | /** Default Move Constructor. */ |
| 54 | NEFFTRadixStageKernel(NEFFTRadixStageKernel &&) = default; |
| 55 | /** Default move assignment operator */ |
| 56 | NEFFTRadixStageKernel &operator=(NEFFTRadixStageKernel &&) = default; |
| 57 | /** Default destructor */ |
| 58 | ~NEFFTRadixStageKernel() = default; |
| 59 | /** Set the input and output tensors. |
| 60 | * |
| 61 | * @note If the output tensor is nullptr, the FFT will be performed in-place |
| 62 | * |
giuros01 | 154bc1c | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 63 | * @param[in,out] input Source tensor. Data types supported: F32. Number of channels supported: 2 (complex tensor). |
| 64 | * @param[out] output Destination tensor. Data type supported: same as @p input. Number of channels supported: same as @p input. |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 65 | * @param[in] config FFT descriptor metadata. |
| 66 | */ |
| 67 | void configure(ITensor *input, ITensor *output, const FFTRadixStageKernelInfo &config); |
| 68 | /** Static function to check if given info will lead to a valid configuration of @ref NEFFTRadixStageKernel |
| 69 | * |
giuros01 | 154bc1c | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 70 | * @param[in] input Source tensor info. Data types supported: F32. Number of channels supported: 2 (complex tensor). |
| 71 | * @param[in] output Destination tensor info. Data type supported: same as @p input. Number of channels supported: same as @p input. |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 72 | * @param[in] config FFT descriptor metadata. |
| 73 | * |
| 74 | * @return a status |
| 75 | */ |
| 76 | static Status validate(const ITensorInfo *input, const ITensorInfo *output, const FFTRadixStageKernelInfo &config); |
| 77 | /** Returns the radix that are support by the FFT kernel |
| 78 | * |
| 79 | * @return A set of supported radix |
| 80 | */ |
| 81 | static std::set<unsigned int> supported_radix(); |
| 82 | |
| 83 | // Inherited methods overridden: |
| 84 | void run(const Window &window, const ThreadInfo &info) override; |
| 85 | |
| 86 | private: |
| 87 | ITensor *_input; |
| 88 | ITensor *_output; |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 89 | unsigned int _Nx; |
giuros01 | 05fb448 | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 90 | unsigned int _axis; |
| 91 | unsigned int _radix; |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 92 | |
giuros01 | 05fb448 | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 93 | void set_radix_stage_axis0(const FFTRadixStageKernelInfo &config); |
| 94 | void set_radix_stage_axis1(const FFTRadixStageKernelInfo &config); |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 95 | |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame] | 96 | using FFTFunctionPointerAxis0 = |
| 97 | std::function<void(float *, float *, unsigned int, unsigned int, const float32x2_t &, unsigned int)>; |
| 98 | using FFTFunctionPointerAxis1 = std::function<void(float *, |
| 99 | float *, |
| 100 | unsigned int, |
| 101 | unsigned int, |
| 102 | const float32x2_t &, |
| 103 | unsigned int, |
| 104 | unsigned int, |
| 105 | unsigned int, |
| 106 | unsigned int)>; |
giuros01 | 05fb448 | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 107 | |
| 108 | FFTFunctionPointerAxis0 _func_0; |
| 109 | FFTFunctionPointerAxis1 _func_1; |
giuros01 | 14c4e0f | 2019-03-26 17:44:40 +0000 | [diff] [blame] | 110 | }; |
| 111 | } // namespace arm_compute |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 112 | #endif /*ARM_COMPUTE_NEFFTRADIXSTAGEKERNEL_H */ |