Sheri Zhang | fc6744a | 2021-01-13 15:54:05 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016-2021 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 | #ifndef ARM_COMPUTE_CPU_SUB_KERNEL_H |
| 25 | #define ARM_COMPUTE_CPU_SUB_KERNEL_H |
| 26 | |
| 27 | #include "src/core/common/Macros.h" |
| 28 | #include "src/core/cpu/ICpuKernel.h" |
| 29 | |
| 30 | namespace arm_compute |
| 31 | { |
| 32 | namespace cpu |
| 33 | { |
| 34 | namespace kernels |
| 35 | { |
| 36 | /** Interface for the kernel to perform subtraction between two tensors */ |
| 37 | class CpuSubKernel : public ICpuKernel |
| 38 | { |
| 39 | public: |
| 40 | CpuSubKernel() = default; |
| 41 | ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuSubKernel); |
| 42 | |
| 43 | /** Initialise the kernel's src and dst. |
| 44 | * |
| 45 | * Valid configurations (src0,src1) -> dst : |
| 46 | * |
| 47 | * - (U8,U8) -> U8 |
| 48 | * - (U8,U8) -> S16 |
| 49 | * - (QASYMM8, QASYMM8) -> QASYMM8 |
| 50 | * - (QASYMM8_SIGNED, QASYMM8_SIGNED) -> QASYMM8_SIGNED |
| 51 | * - (S16,U8) -> S16 |
| 52 | * - (U8,S16) -> S16 |
| 53 | * - (S16,S16) -> S16 |
| 54 | * - (S32,S32) -> S32 |
| 55 | * - (F16,F16) -> F16 |
| 56 | * - (F32,F32) -> F32 |
| 57 | * |
| 58 | * @param[in] src0 An input tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 |
| 59 | * @param[in] src1 An input tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 |
| 60 | * @param[out] dst The dst tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32. |
| 61 | * @param[in] policy Overflow policy. Convert policy cannot be WRAP if datatype is quantized. |
| 62 | */ |
| 63 | void configure(const ITensorInfo *src0, const ITensorInfo *src1, ITensorInfo *dst, ConvertPolicy policy); |
Georgios Pinitas | 5fdde99 | 2021-06-25 05:42:57 +0100 | [diff] [blame] | 64 | /** Static function to check if given info will lead to a valid configuration |
Sheri Zhang | fc6744a | 2021-01-13 15:54:05 +0000 | [diff] [blame] | 65 | * |
Georgios Pinitas | 5fdde99 | 2021-06-25 05:42:57 +0100 | [diff] [blame] | 66 | * Similar to CpuSubKernel::configure() |
Sheri Zhang | fc6744a | 2021-01-13 15:54:05 +0000 | [diff] [blame] | 67 | * |
| 68 | * @return a status |
| 69 | */ |
| 70 | static Status validate(const ITensorInfo *src0, const ITensorInfo *src1, const ITensorInfo *dst, ConvertPolicy policy); |
| 71 | |
| 72 | // Inherited methods overridden: |
| 73 | void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; |
| 74 | const char *name() const override; |
| 75 | |
| 76 | private: |
Georgios Pinitas | 5fdde99 | 2021-06-25 05:42:57 +0100 | [diff] [blame] | 77 | using SubKernelPtr = std::add_pointer<void(const ITensor *, const ITensor *, ITensor *, const ConvertPolicy &, const Window &)>::type; |
| 78 | |
| 79 | private: |
Sheri Zhang | fc6744a | 2021-01-13 15:54:05 +0000 | [diff] [blame] | 80 | ConvertPolicy _policy{}; |
Georgios Pinitas | 5fdde99 | 2021-06-25 05:42:57 +0100 | [diff] [blame] | 81 | SubKernelPtr _run_method{ nullptr }; |
| 82 | std::string _name{}; |
Sheri Zhang | fc6744a | 2021-01-13 15:54:05 +0000 | [diff] [blame] | 83 | }; |
| 84 | } // namespace kernels |
| 85 | } // namespace cpu |
| 86 | } // namespace arm_compute |
| 87 | #endif /* ARM_COMPUTE_CPU_SUB_KERNEL_H */ |