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Diffstat (limited to 'src/core/cpu/kernels/CpuElementwiseUnaryKernel.h')
-rw-r--r-- | src/core/cpu/kernels/CpuElementwiseUnaryKernel.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/core/cpu/kernels/CpuElementwiseUnaryKernel.h b/src/core/cpu/kernels/CpuElementwiseUnaryKernel.h new file mode 100644 index 0000000000..193f6f1e4f --- /dev/null +++ b/src/core/cpu/kernels/CpuElementwiseUnaryKernel.h @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2018-2021 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_ELEMENTWISE_UNARY_KERNEL_H +#define ARM_COMPUTE_CPU_ELEMENTWISE_UNARY_KERNEL_H + +#include "arm_compute/core/Types.h" +#include "src/core/common/Macros.h" +#include "src/core/cpu/ICpuKernel.h" + +namespace arm_compute +{ +class ITensor; +namespace cpu +{ +namespace kernels +{ +/** Interface for an element-wise unary operation kernel + * + * Element-wise operation is computed by: + * @f[ output(x) = OP(input(x))@f] + * + */ +class CpuElementwiseUnaryKernel : public ICpuKernel +{ +public: + const char *name() const override + { + return "CpuElementwiseUnaryKernel"; + } + /** Default constructor */ + CpuElementwiseUnaryKernel(); + /** Default destructor */ + ~CpuElementwiseUnaryKernel() = default; + ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuElementwiseUnaryKernel); + + /** Function to configure the @ref CpuElementwiseUnaryKernel + * + * @param[in] op Arithmetic operation to be executed. + * @param[in] input First tensor input. Data types supported: F16/F32, F16/F32/S32 for NEG/ABS operations. + * @param[out] output Output tensor. Data types supported: Same as @p input. + */ + void configure(ElementWiseUnary op, const ITensorInfo &input, ITensorInfo &output); + + /** Static function to check if given info will lead to a valid configuration of @ref CpuElementwiseUnaryKernel + * + * @param[in] op Arithmetic operation to be executed. + * @param[in] input First tensor input info. Data types supported: F16/F32, F16/F32/S32 for NEG/ABS operations. + * @param[in] output Output tensor info. Data types supported: Same as @p input. + * + * @return a Status + */ + static Status validate(ElementWiseUnary op, const ITensorInfo &input, const ITensorInfo &output); + + // Inherited methods overridden: + void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; + + /** Common signature for all the specialised elementwise unary micro-kernels + * + * @param[in] window Region on which to execute the kernel. + */ + using ElementwiseUnaryUkernelPtr = std::add_pointer<void(const ITensor *, ITensor *, const Window &, ElementWiseUnary)>::type; + +private: + ElementWiseUnary _op; +}; +} // namespace kernels +} // namespace cpu +} // namespace arm_compute +#endif /* ARM_COMPUTE_CPU_ELEMENTWISE_UNARY_KERNEL_H */ |