1 /* 2 * Copyright (c) 2017-2019 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 25 #ifndef ARM_COMPUTE_GCDROPOUTLAYERKERNEL_H 26 #define ARM_COMPUTE_GCDROPOUTLAYERKERNEL_H 27 28 #include "arm_compute/core/GLES_COMPUTE/IGCKernel.h" 29 30 namespace arm_compute 31 { 32 class IGCTensor; 33 34 /** Interface for the dropout layer kernel. 35 * 36 * Dropout is used to improve over-fit on neural networks. 37 * 38 */ 39 class GCDropoutLayerKernel : public IGCKernel 40 { 41 public: 42 /** Default constructor */ 43 GCDropoutLayerKernel(); 44 45 /** Prevent instances of this class from being copied (As this class contains pointers) */ 46 GCDropoutLayerKernel(const GCDropoutLayerKernel &) = delete; 47 48 /** Prevent instances of this class from being copied (As this class contains pointers) */ 49 GCDropoutLayerKernel &operator=(const GCDropoutLayerKernel &) = delete; 50 51 /** Allow instances of this class to be moved */ 52 GCDropoutLayerKernel(GCDropoutLayerKernel &&) = default; 53 54 /** Allow instances of this class to be moved */ 55 GCDropoutLayerKernel &operator=(GCDropoutLayerKernel &&) = default; 56 57 /** Set the input and output of the kernel. 58 * 59 * @param[in] input The input tensor for this op. Data types supported: F16/F32 60 * @param[out] mask The mask tensor. Data types supported: Same as @p input 61 * @param[out] output The output tensor. Data types supported: Same as @p input 62 * @param[in] ratio Dropout ratio 63 * @param[in] forward Forward or backward propagation 64 * 65 */ 66 void configure(const IGCTensor *input, IGCTensor *mask, IGCTensor *output, float ratio, bool forward); 67 68 // Inherited methods overridden: 69 void run(const Window &window) override; 70 71 private: 72 const IGCTensor *_input; 73 IGCTensor *_mask; 74 IGCTensor *_output; 75 unsigned int _num_elems_processed_per_iteration; 76 }; 77 } 78 79 #endif /*ARM_COMPUTE_GCDROPOUTLAYERKERNEL_H */ 80