1 /* 2 * Copyright (c) 2019-2021 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_CLPRELULAYER_H 25 #define ARM_COMPUTE_CLPRELULAYER_H 26 27 #include "arm_compute/runtime/CL/ICLOperator.h" 28 #include "arm_compute/runtime/IFunction.h" 29 30 namespace arm_compute 31 { 32 class CLCompileContext; 33 class ICLTensor; 34 class ITensorInfo; 35 /** Basic function to run @ref opencl::kernels::ClArithmeticKernel for PRELU 36 * 37 * @note The function implements an activation layer with the PRELU activation function. 38 */ 39 class CLPReluLayer : public IFunction 40 { 41 public: 42 /** Default Constructor */ 43 CLPReluLayer(); 44 /** Default Destructor */ 45 ~CLPReluLayer(); 46 /** Prevent instances of this class from being copied (As this class contains pointers) */ 47 CLPReluLayer(const CLPReluLayer &) = delete; 48 /** Default move constructor */ 49 CLPReluLayer(CLPReluLayer &&); 50 /** Prevent instances of this class from being copied (As this class contains pointers) */ 51 CLPReluLayer &operator=(const CLPReluLayer &) = delete; 52 /** Default move assignment operator */ 53 CLPReluLayer &operator=(CLPReluLayer &&); 54 /** Set the input and output tensor. 55 * 56 * Valid data layouts: 57 * - All 58 * 59 * Valid data type configurations: 60 * |src |dst | 61 * |:--------------|:--------------| 62 * |QASYMM8 |QASYMM8 | 63 * |QASYMM8_SIGNED |QASYMM8_SIGNED | 64 * |F16 |F16 | 65 * |F32 |F32 | 66 * 67 * @note If the output tensor is a nullptr or is equal to the input, the activation function will be performed in-place 68 * 69 * @param[in] input Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 70 * @param[in] alpha PRelu layer parameters. Data types supported: same of @p input. 71 * @param[out] output Destination tensor. Data type supported: same as @p input 72 */ 73 void configure(ICLTensor *input, ICLTensor *alpha, ICLTensor *output); 74 /** Set the input and output tensor. 75 * 76 * @note If the output tensor is a nullptr or is equal to the input, the activation function will be performed in-place 77 * 78 * @param[in] compile_context The compile context to be used. 79 * @param[in] input Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 80 * @param[in] alpha PRelu layer parameters. Data types supported: same of @p input. 81 * @param[out] output Destination tensor. Data type supported: same as @p input 82 */ 83 void configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *alpha, ICLTensor *output); 84 /** Static function to check if given info will lead to a valid configuration of @ref CLPReluLayer 85 * 86 * @param[in] input Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 87 * @param[in] alpha PRelu layer parameters. Data types supported: same of @p input. 88 * @param[in] output Destination tensor info. Data type supported: same as @p input 89 * 90 * @return a status 91 */ 92 static Status validate(const ITensorInfo *input, const ITensorInfo *alpha, const ITensorInfo *output); 93 94 // Inherited methods overridden: 95 void run() override; 96 97 private: 98 struct Impl; 99 std::unique_ptr<Impl> _impl; 100 }; 101 } // namespace arm_compute 102 #endif /* ARM_COMPUTE_CLPRELULAYER_H */ 103