| /* |
| * Copyright (c) 2016-2022 Arm Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef ARM_COMPUTE_CPU_SUB_KERNEL_H |
| #define ARM_COMPUTE_CPU_SUB_KERNEL_H |
| |
| #include "src/core/common/Macros.h" |
| #include "src/cpu/ICpuKernel.h" |
| |
| namespace arm_compute |
| { |
| namespace cpu |
| { |
| namespace kernels |
| { |
| /** Interface for the kernel to perform subtraction between two tensors */ |
| class CpuSubKernel : public ICpuKernel<CpuSubKernel> |
| { |
| private: |
| using SubKernelPtr = std::add_pointer<void(const ITensor *, const ITensor *, ITensor *, const ConvertPolicy &, const Window &)>::type; |
| |
| public: |
| CpuSubKernel() = default; |
| ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuSubKernel); |
| |
| /** Initialise the kernel's src and dst. |
| * |
| * Valid configurations (src0,src1) -> dst : |
| * |
| * - (U8,U8) -> U8 |
| * - (QASYMM8, QASYMM8) -> QASYMM8 |
| * - (QASYMM8_SIGNED, QASYMM8_SIGNED) -> QASYMM8_SIGNED |
| * - (S16,S16) -> S16 |
| * - (S32,S32) -> S32 |
| * - (F16,F16) -> F16 |
| * - (F32,F32) -> F32 |
| * |
| * @param[in] src0 An input tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 |
| * @param[in] src1 An input tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 |
| * @param[out] dst The dst tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32. |
| * @param[in] policy Overflow policy. Convert policy cannot be WRAP if datatype is quantized. |
| */ |
| void configure(const ITensorInfo *src0, const ITensorInfo *src1, ITensorInfo *dst, ConvertPolicy policy); |
| /** Static function to check if given info will lead to a valid configuration |
| * |
| * Similar to CpuSubKernel::configure() |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *src0, const ITensorInfo *src1, const ITensorInfo *dst, ConvertPolicy policy); |
| |
| // Inherited methods overridden: |
| void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; |
| const char *name() const override; |
| |
| /** Return minimum workload size of the relevant kernel |
| * |
| * @param[in] platform The CPU platform used to create the context. |
| * @param[in] thread_count Number of threads in the execution. |
| * |
| * @return[out] mws Minimum workload size for requested configuration. |
| */ |
| size_t get_mws(const CPUInfo &platform, size_t thread_count) const override; |
| |
| struct SubKernel |
| { |
| const char *name; |
| const DataTypeISASelectorPtr is_selected; |
| SubKernelPtr ukernel; |
| }; |
| |
| static const std::vector<SubKernel> &get_available_kernels(); |
| |
| size_t get_split_dimension() const |
| { |
| return _split_dimension; |
| } |
| |
| private: |
| ConvertPolicy _policy{}; |
| SubKernelPtr _run_method{ nullptr }; |
| std::string _name{}; |
| size_t _split_dimension{ Window::DimY }; |
| }; |
| } // namespace kernels |
| } // namespace cpu |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_CPU_SUB_KERNEL_H */ |