| /* |
| * Copyright (c) 2019-2020 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_CPPTOPKVERNEL_H |
| #define ARM_COMPUTE_CPPTOPKVERNEL_H |
| |
| #include "arm_compute/core/CPP/ICPPKernel.h" |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| |
| /** CPP kernel to perform tensor TopKV operation. */ |
| class CPPTopKVKernel : public ICPPKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "CPPTopKVKernel"; |
| } |
| /** Default constructor */ |
| CPPTopKVKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CPPTopKVKernel(const CPPTopKVKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CPPTopKVKernel &operator=(const CPPTopKVKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| CPPTopKVKernel(CPPTopKVKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| CPPTopKVKernel &operator=(CPPTopKVKernel &&) = default; |
| /** Default destructor */ |
| ~CPPTopKVKernel() = default; |
| |
| /** Set the input and output of the kernel. |
| * |
| * @param[in] predictions A batch_size x classes tensor. Data types supported: F16/S32/F32/QASYMM8/QASYMM8_SIGNED |
| * @param[in] targets A batch_size 1D tensor of class ids. Data types supported: U32 |
| * @param[out] output Computed precision at @p k as a bool 1D tensor. Data types supported: U8 |
| * @param[in] k Number of top elements to look at for computing precision. |
| */ |
| void configure(const ITensor *predictions, const ITensor *targets, ITensor *output, const unsigned int k); |
| |
| /** Static function to check if given info will lead to a valid configuration of @ref CPPTopKVKernel |
| * |
| * @param[in] predictions A batch_size x classes tensor info. Data types supported: F16/S32/F32/QASYMM8/QASYMM8_SIGNED |
| * @param[in] targets A batch_size 1D tensor info of class ids. Data types supported: U32 |
| * @param[in] output Computed precision at @p k as a bool 1D tensor info. Data types supported: U8 |
| * @param[in] k Number of top elements to look at for computing precision. |
| * |
| * @return a status |
| */ |
| static Status |
| validate(const ITensorInfo *predictions, const ITensorInfo *targets, ITensorInfo *output, const unsigned int k); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| bool is_parallelisable() const override; |
| |
| private: |
| /** Template function to run the topKV operation. */ |
| template <typename T> |
| void run_topkv(); |
| |
| const ITensor *_predictions; |
| const ITensor *_targets; |
| ITensor *_output; |
| |
| unsigned int _k; |
| unsigned int _batch_size; |
| unsigned int _num_classes; |
| }; |
| } // namespace arm_compute |
| #endif /*ARM_COMPUTE_CPPTOPKVKERNEL_H */ |