1 /* 2 * Copyright (c) 2017-2020 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_CLMINMAXLAYERKERNEL_H 25 #define ARM_COMPUTE_CLMINMAXLAYERKERNEL_H 26 27 #include "src/core/CL/ICLKernel.h" 28 29 namespace arm_compute 30 { 31 class ICLTensor; 32 33 /** Interface for the kernel to perform min max search on a 3D tensor. 34 */ 35 class CLMinMaxLayerKernel : public ICLKernel 36 { 37 public: 38 /** Default constructor */ 39 CLMinMaxLayerKernel(); 40 /** Prevent instances of this class from being copied (As this class contains pointers) */ 41 CLMinMaxLayerKernel(const CLMinMaxLayerKernel &) = delete; 42 /** Prevent instances of this class from being copied (As this class contains pointers) */ 43 CLMinMaxLayerKernel &operator=(const CLMinMaxLayerKernel &) = delete; 44 /** Allow instances of this class to be moved */ 45 CLMinMaxLayerKernel(CLMinMaxLayerKernel &&) = default; 46 /** Allow instances of this class to be moved */ 47 CLMinMaxLayerKernel &operator=(CLMinMaxLayerKernel &&) = default; 48 /** Initialise the kernel's input and output. 49 * 50 * @param[in] input Input tensor with at least 3 dimensions. The dimensions over the third will be interpreted as batches.Data types supported: F32. 51 * @param[out] output Output tensor with shape [2, batches, ...] which stores the minimum and maximum values for each 3D input tensor. 52 * The dimensions over the second must match the batched dimensions of the input tensor. Data types supported: F32. 53 */ 54 void configure(const ICLTensor *input, ICLTensor *output); 55 /** Initialise the kernel's input and output. 56 * 57 * @param[in] compile_context The compile context to be used. 58 * @param[in] input Input tensor with at least 3 dimensions. The dimensions over the third will be interpreted as batches.Data types supported: F32. 59 * @param[out] output Output tensor with shape [2, batches, ...] which stores the minimum and maximum values for each 3D input tensor. 60 * The dimensions over the second must match the batched dimensions of the input tensor. Data types supported: F32. 61 */ 62 void configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output); 63 /** Static function to check if given info will lead to a valid configuration of @ref CLMinMaxLayerKernel 64 * 65 * @param[in] input Input tensor info. Data types supported: F32. 66 * @param[in] output Output tensor info with shape [2, batches, ...] which stores the minimum and maximum values for each 3D input tensor. 67 * The dimensions over the second must match the batched dimensions of the input tensor. Data types supported: F32. 68 * 69 * @return a status 70 */ 71 static Status validate(const ITensorInfo *input, const ITensorInfo *output); 72 73 /** Resets global minimum and maximum 74 * 75 * @param[in,out] queue Command queue on which to map and unmap the min_max tensor 76 */ 77 void reset(cl::CommandQueue &queue); 78 79 // Inherited methods overridden: 80 void run(const Window &window, cl::CommandQueue &queue) override; 81 82 private: 83 const ICLTensor *_input; 84 ICLTensor *_output; 85 }; 86 } // namespace arm_compute 87 #endif /*ARM_COMPUTE_CLMINMAXLAYERKERNEL_H */ 88