1 /* 2 * Copyright (c) 2018-2022 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_ELEMENTWISE_UNARY_KERNEL_H 25 #define ARM_COMPUTE_CPU_ELEMENTWISE_UNARY_KERNEL_H 26 27 #include "arm_compute/core/Types.h" 28 #include "src/core/common/Macros.h" 29 #include "src/cpu/ICpuKernel.h" 30 31 namespace arm_compute 32 { 33 namespace cpu 34 { 35 namespace kernels 36 { 37 /** Interface for an element-wise unary operation kernel 38 * 39 * Element-wise operation is computed by: 40 * @f[ dst(x) = OP(src(x))@f] 41 */ 42 class CpuElementwiseUnaryKernel : public ICpuKernel<CpuElementwiseUnaryKernel> 43 { 44 private: 45 using ElementwiseUnaryUkernelPtr = std::add_pointer<void(const ITensor *, ITensor *, const Window &, ElementWiseUnary)>::type; 46 47 public: 48 CpuElementwiseUnaryKernel() = default; 49 ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuElementwiseUnaryKernel); 50 51 /** Function to configure the @ref CpuElementwiseUnaryKernel 52 * 53 * @param[in] op Arithmetic operation to be executed. 54 * @param[in] src First tensor input. Data types supported: F16/F32, F16/F32/S32 for NEG/ABS operations. 55 * @param[out] dst Output tensor. Data types supported: Same as @p src. 56 */ 57 void configure(ElementWiseUnary op, const ITensorInfo &src, ITensorInfo &dst); 58 /** Static function to check if given info will lead to a valid configuration 59 * 60 * Similar to CpuElementwiseUnaryKernel::configure() 61 * 62 * @return a status 63 */ 64 static Status validate(ElementWiseUnary op, const ITensorInfo &src, const ITensorInfo &dst); 65 66 // Inherited methods overridden: 67 void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; 68 const char *name() const override; 69 70 struct ElementwiseUnaryKernel 71 { 72 const char *name; 73 const DataTypeISASelectorPtr is_selected; 74 ElementwiseUnaryUkernelPtr ukernel; 75 }; 76 77 static const std::vector<ElementwiseUnaryKernel> &get_available_kernels(); 78 79 private: 80 ElementWiseUnary _op{}; 81 ElementwiseUnaryUkernelPtr _run_method{ nullptr }; 82 std::string _name{}; 83 }; 84 } // namespace kernels 85 } // namespace cpu 86 } // namespace arm_compute 87 #endif /* ARM_COMPUTE_CPU_ELEMENTWISE_UNARY_KERNEL_H */ 88