1 /* 2 * Copyright (c) 2017-2021 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_CLQUANTIZATIONLAYER_H 25 #define ARM_COMPUTE_CLQUANTIZATIONLAYER_H 26 27 #include "arm_compute/core/Types.h" 28 #include "arm_compute/runtime/IFunction.h" 29 30 #include <memory> 31 32 namespace arm_compute 33 { 34 class CLCompileContext; 35 class ICLTensor; 36 class ITensorInfo; 37 38 /** Basic function to simulate a quantization layer. This function calls the following CL kernels: 39 * 40 * -# @ref opencl::ClQuantize 41 * 42 * @note The implementation supports only 3D input tensors. 43 * 44 */ 45 class CLQuantizationLayer : public IFunction 46 { 47 public: 48 /** Default Constructor */ 49 CLQuantizationLayer(); 50 /** Default Destructor */ 51 ~CLQuantizationLayer(); 52 /** Prevent instances of this class from being copied (As this class contains pointers) */ 53 CLQuantizationLayer(const CLQuantizationLayer &) = delete; 54 /** Default move constructor */ 55 CLQuantizationLayer(CLQuantizationLayer &&) = default; 56 /** Prevent instances of this class from being copied (As this class contains pointers) */ 57 CLQuantizationLayer &operator=(const CLQuantizationLayer &) = delete; 58 /** Default move assignment operator */ 59 CLQuantizationLayer &operator=(CLQuantizationLayer &&) = default; 60 /** Set the input and output tensors. 61 * 62 * Valid data layouts: 63 * - All 64 * 65 * Valid data type configurations: 66 * |src |dst | 67 * |:------------------|:----------------------------------| 68 * |QASYMM8 |QASYMM8, QASYMM8_SIGNED, QASYMM16 | 69 * |QASYMM8_SIGNED |QASYMM8, QASYMM8_SIGNED, QASYMM16 | 70 * |F16 |QASYMM8, QASYMM8_SIGNED, QASYMM16 | 71 * |F32 |QASYMM8, QASYMM8_SIGNED, QASYMM16 | 72 * 73 * @param[in] input Source tensor. The dimensions over the third will be interpreted as batches. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/32. 74 * @param[out] output Destination tensor with the same dimensions of input. Data types supported: QASYMM8/QASYMM8_SIGNED/QASYMM16. 75 * 76 * @note Output auto initialization is not supported by this function 77 */ 78 void configure(const ICLTensor *input, ICLTensor *output); 79 /** Set the input and output tensors. 80 * 81 * @param[in] compile_context The compile context to be used. 82 * @param[in] input Source tensor. The dimensions over the third will be interpreted as batches. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/32. 83 * @param[out] output Destination tensor with the same dimensions of input. Data types supported: QASYMM8/QASYMM8_SIGNED/QASYMM16. 84 * 85 * @note Output auto initialization is not supported by this function 86 */ 87 void configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output); 88 /** Static function to check if given info will lead to a valid configuration of @ref CLQuantizationLayer 89 * 90 * @param[in] input Input tensor info. The dimensions over the third will be interpreted as batches. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/32. 91 * @param[in] output Output tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/QASYMM16. 92 * 93 * @return a status 94 */ 95 static Status validate(const ITensorInfo *input, const ITensorInfo *output); 96 97 // Inherited methods overridden: 98 void run() override; 99 100 private: 101 struct Impl; 102 std::unique_ptr<Impl> _impl; 103 }; 104 } //namespace arm_compute 105 #endif /* ARM_COMPUTE_CLQUANTIZATIONLAYER_H */ 106