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Diffstat (limited to 'src/core/NEON/kernels/NEArithmeticSubtractionKernel.h')
| -rw-r--r-- | src/core/NEON/kernels/NEArithmeticSubtractionKernel.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEArithmeticSubtractionKernel.h b/src/core/NEON/kernels/NEArithmeticSubtractionKernel.h new file mode 100644 index 0000000000..69952d6162 --- /dev/null +++ b/src/core/NEON/kernels/NEArithmeticSubtractionKernel.h @@ -0,0 +1,118 @@ +/* + * Copyright (c) 2016-2020 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_NEARITHMETICSUBTRACTIONKERNEL_H +#define ARM_COMPUTE_NEARITHMETICSUBTRACTIONKERNEL_H + +#include "arm_compute/core/Types.h" +#include "src/core/NEON/INEKernel.h" + +namespace arm_compute +{ +class ITensor; + +/** Interface for the kernel to perform subtraction between two tensors */ +class NEArithmeticSubtractionKernel : public INEKernel +{ +public: + const char *name() const override + { + return "NEArithmeticSubtractionKernel"; + } + /** Default constructor */ + NEArithmeticSubtractionKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEArithmeticSubtractionKernel(const NEArithmeticSubtractionKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEArithmeticSubtractionKernel &operator=(const NEArithmeticSubtractionKernel &) = delete; + /** Allow instances of this class to be moved */ + NEArithmeticSubtractionKernel(NEArithmeticSubtractionKernel &&) = default; + /** Allow instances of this class to be moved */ + NEArithmeticSubtractionKernel &operator=(NEArithmeticSubtractionKernel &&) = default; + /** Default destructor */ + ~NEArithmeticSubtractionKernel() = default; + + /** Initialise the kernel's input and output. + * + * Valid configurations (Input1,Input2) -> Output : + * + * - (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] input1 An input tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 + * @param[in] input2 An input tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 + * @param[out] output The output 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 *input1, const ITensorInfo *input2, ITensorInfo *output, ConvertPolicy policy); + /** Static function to check if given info will lead to a valid configuration of @ref NEArithmeticSubtractionKernel + * + * Valid configurations (Input1,Input2) -> Output : + * + * - (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] input1 An input tensor info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 + * @param[in] input2 An input tensor info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 + * @param[in] output The output 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 *input1, const ITensorInfo *input2, const ITensorInfo *output, ConvertPolicy policy); + + // Inherited methods overridden: + void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; + +private: + /** Common signature for all the specialised sub functions + * + * @param[in] input1 An input tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 + * @param[in] input2 An input tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 + * @param[out] output The output tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32. + * @param[in] window Region on which to execute the kernel. + * @param[in] is_sat Flag to indicate if the policy is SATURATE. + */ + using SubFunction = void(const ITensor *input1, const ITensor *input2, ITensor *output, const Window &window, bool is_sat); + /** Sub function to use for the particular tensor types passed to configure() */ + SubFunction *_func; + ConvertPolicy _policy; +}; +} // namespace arm_compute +#endif /* ARM_COMPUTE_NEARITHMETICSUBTRACTIONKERNEL_H */ |