| /* |
| * Copyright (c) 2017 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef __ARM_COMPUTE_GCSOFTMAXLAYERKERNEL_H__ |
| #define __ARM_COMPUTE_GCSOFTMAXLAYERKERNEL_H__ |
| |
| #include "arm_compute/core/GLES_COMPUTE/IGCSimple3DKernel.h" |
| |
| namespace arm_compute |
| { |
| class IGCTensor; |
| |
| /** Interface for the identifying the max value of 1D Logits */ |
| class GCLogits1DMaxKernel : public IGCSimple3DKernel |
| { |
| public: |
| /** Set the input and output tensors. |
| * |
| * @param[in] input Source tensor. Data types supported: F16/F32 |
| * @param[out] output Destination tensor. Data types supported: same as @p input |
| */ |
| void configure(const IGCTensor *input, IGCTensor *output); |
| |
| // Inherited methods overridden: |
| void run(const Window &window) override; |
| }; |
| |
| /** Interface for shifting the logits values around the max value and exponentiating the result */ |
| class GCLogits1DShiftExpSumKernel : public IGCKernel |
| { |
| public: |
| /** Default constructor */ |
| GCLogits1DShiftExpSumKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| GCLogits1DShiftExpSumKernel(const GCLogits1DShiftExpSumKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| GCLogits1DShiftExpSumKernel &operator=(const GCLogits1DShiftExpSumKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| GCLogits1DShiftExpSumKernel(GCLogits1DShiftExpSumKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| GCLogits1DShiftExpSumKernel &operator=(GCLogits1DShiftExpSumKernel &&) = default; |
| /** Set the input and output tensors. |
| * |
| * @param[in] input Source tensor. Data types supported: F16/F32 |
| * @param[in] max Max values tensor. Data types supported: same as @p input |
| * @param[out] output Destination tensor. Data types supported: same as @p input |
| * @param[out] sum Sum of 1D logits tensor. Data types supported: same as @p input |
| */ |
| void configure(const IGCTensor *input, const IGCTensor *max, IGCTensor *output, IGCTensor *sum); |
| |
| // Inherited methods overridden: |
| void run(const Window &window) override; |
| |
| private: |
| const IGCTensor *_input; |
| const IGCTensor *_max; |
| IGCTensor *_output; |
| IGCTensor *_sum; |
| }; |
| |
| /** Interface for calculating the final step of the Softmax Layer where each logit value is multiplied by the inverse of the sum of the logits. */ |
| class GCLogits1DNormKernel : public IGCKernel |
| { |
| public: |
| /** Default constructor */ |
| GCLogits1DNormKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| GCLogits1DNormKernel(const GCLogits1DNormKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| GCLogits1DNormKernel &operator=(const GCLogits1DNormKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| GCLogits1DNormKernel(GCLogits1DNormKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| GCLogits1DNormKernel &operator=(GCLogits1DNormKernel &&) = default; |
| /** Set the input and output tensors. |
| * |
| * @param[in] input Source tensor. Data types supported: F16/F32 |
| * @param[in] sum Sum tensor. Dimensions should be dim(input)-1. Data types supported: same as @p input |
| * @param[out] output Destination tensor. Data types supported: same as @p input |
| */ |
| void configure(const IGCTensor *input, const IGCTensor *sum, IGCTensor *output); |
| |
| // Inherited methods overridden: |
| void run(const Window &window) override; |
| |
| private: |
| const IGCTensor *_input; |
| const IGCTensor *_sum; |
| IGCTensor *_output; |
| }; |
| } // namespace arm_compute |
| #endif /*__ARM_COMPUTE_GCSOFTMAXLAYERKERNEL_H__ */ |