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Diffstat (limited to 'src/core/cpu/kernels/CpuSubKernel.h')
| -rw-r--r-- | src/core/cpu/kernels/CpuSubKernel.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/core/cpu/kernels/CpuSubKernel.h b/src/core/cpu/kernels/CpuSubKernel.h new file mode 100644 index 0000000000..da114b6e08 --- /dev/null +++ b/src/core/cpu/kernels/CpuSubKernel.h @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2016-2021 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/core/cpu/ICpuKernel.h" + +namespace arm_compute +{ +namespace cpu +{ +namespace kernels +{ +/** Interface for the kernel to perform subtraction between two tensors */ +class CpuSubKernel : public ICpuKernel +{ +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 + * - (U8,U8) -> S16 + * - (QASYMM8, QASYMM8) -> QASYMM8 + * - (QASYMM8_SIGNED, QASYMM8_SIGNED) -> QASYMM8_SIGNED + * - (S16,U8) -> S16 + * - (U8,S16) -> S16 + * - (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 of @ref CpuSubKernel + * + * Valid configurations (src0,src1) -> dst : + * + * - (U8,U8) -> U8 + * - (U8,U8) -> S16 + * - (QASYMM8, QASYMM8) -> QASYMM8 + * - (QASYMM8_SIGNED, QASYMM8_SIGNED) -> QASYMM8_SIGNED + * - (S16,U8) -> S16 + * - (U8,S16) -> S16 + * - (S16,S16) -> S16 + * - (S32,S32) -> S32 + * - (F16,F16) -> F16 + * - (F32,F32) -> F32 + * + * @param[in] src0 An input tensor info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 + * @param[in] src1 An input tensor info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 + * @param[in] dst The dst tensor info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32. + * @param[in] policy Policy to use to handle overflow. Convert policy cannot be WRAP if datatype is quantized. + * + * @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; + +private: + ConvertPolicy _policy{}; +}; +} // namespace kernels +} // namespace cpu +} // namespace arm_compute +#endif /* ARM_COMPUTE_CPU_SUB_KERNEL_H */ |