| /* |
| * Copyright (c) 2017-2018 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_NESOFTMAXLAYERKERNEL_H__ |
| #define __ARM_COMPUTE_NESOFTMAXLAYERKERNEL_H__ |
| |
| #include "arm_compute/core/NEON/INEKernel.h" |
| #include "arm_compute/core/NEON/INESimpleKernel.h" |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| |
| /** Interface for the identifying the max value of 1D Logits */ |
| class NELogits1DMaxKernel : public INESimpleKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "NELogits1DMaxKernel"; |
| } |
| /** Default constructor */ |
| NELogits1DMaxKernel(); |
| /** Set the input and output tensors. |
| * |
| * @param[in] input Source tensor. Data types supported: QASYMM8/QS8/QS16/F16/F32. |
| * @param[out] output Destination tensor. Data types supported: same as @p input |
| */ |
| void configure(const ITensor *input, ITensor *output); |
| /** Static function to check if given info will lead to a valid configuration of @ref NELogits1DMaxKernel |
| * |
| * @param[in] input Source tensor. Data types supported: QASYMM8/QS8/QS16/F16/F32. |
| * @param[in] output Destination tensor. Data types supported: same as @p input |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input, const ITensorInfo *output); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| BorderSize border_size() const override; |
| |
| private: |
| using Logits1DMaxFunction = void(const ITensor &in, ITensor &out, const Window &window); |
| |
| private: |
| Logits1DMaxFunction *_func; |
| BorderSize _border_size; |
| }; |
| |
| /** Interface for softmax computation for QASYMM8 with pre-computed max. */ |
| class NELogits1DSoftmaxKernel : public INEKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "NELogits1DSoftmaxKernel"; |
| } |
| /** Default constructor */ |
| NELogits1DSoftmaxKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NELogits1DSoftmaxKernel(const NELogits1DSoftmaxKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NELogits1DSoftmaxKernel &operator=(const NELogits1DSoftmaxKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| NELogits1DSoftmaxKernel(NELogits1DSoftmaxKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| NELogits1DSoftmaxKernel &operator=(NELogits1DSoftmaxKernel &&) = default; |
| /** Default destructor */ |
| ~NELogits1DSoftmaxKernel() = default; |
| /** Set the input and output tensors. |
| * |
| * @param[in] input Source tensor. Data types supported: QASYMM8/QS8/QS16/F16/F32. |
| * @param[in] max Max values tensor. Same shape as input with dimension 0 set to 1. |
| * Data types supported: same as @p input. |
| * @param[out] output Destination tensor. Data types supported: same as @p input. |
| * @param[in] beta A scaling factor for the exponent. |
| * |
| * @param tmp Auxiliary tensor. Must be type F32 and same shape as the input. |
| */ |
| void configure(const ITensor *input, const ITensor *max, ITensor *output, const float beta, ITensor *tmp); |
| /** Static function to check if given info will lead to a valid configuration of @ref NELogits1DSoftmaxKernel |
| * |
| * @param[in] input Source tensor info. Data types supported: QASYMM8/QS8/QS16/F16/F32. |
| * @param[in] max Max values tensor info. Same shape as input with dimension 0 set to 1. |
| * Data types supported: same as @p input. |
| * @param[in] output Destination tensor info. Data types supported: same as @p input. |
| * @param[in] beta A scaling factor for the exponent. |
| * @param[in] tmp Tensor info of auxiliary. Must be type F32 and same shape as the input. |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input, const ITensorInfo *max, |
| const ITensorInfo *output, const float beta, const ITensorInfo *tmp); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| |
| private: |
| using LogitsSoftmaxFunction = void(const ITensor &in, const ITensor &max, void *const tmp, ITensor &out, const float beta, |
| const Window &window); |
| |
| LogitsSoftmaxFunction *_func; |
| const ITensor *_input; |
| const ITensor *_max; |
| ITensor *_output; |
| float _beta; |
| ITensor *_tmp; //Temporary. Used internally |
| }; |
| } // namespace arm_compute |
| #endif /*__ARM_COMPUTE_NESOFTMAXLAYERKERNEL_H__ */ |