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author | giuros01 <giuseppe.rossini@arm.com> | 2018-12-21 14:57:48 +0000 |
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committer | Giuseppe Rossini <giuseppe.rossini@arm.com> | 2019-01-04 18:42:55 +0000 |
commit | 1bf5e289ec08c6eb507c079fd16c877559b45684 (patch) | |
tree | 384e85814a76c22a8eddbf2afb977b18a8c05a04 /arm_compute/core/CPP/kernels/CPPTopKVKernel.h | |
parent | 6d9d6f49aa05ad033676a219c1a98150fb8401f4 (diff) | |
download | ComputeLibrary-1bf5e289ec08c6eb507c079fd16c877559b45684.tar.gz |
COMPMID-1765: CPP: Implement TopKV
Change-Id: Ib113f19e3e9ad1f2a3084df25eae38c0131df02d
Reviewed-on: https://review.mlplatform.org/439
Reviewed-by: Manuel Bottini <manuel.bottini@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Diffstat (limited to 'arm_compute/core/CPP/kernels/CPPTopKVKernel.h')
-rw-r--r-- | arm_compute/core/CPP/kernels/CPPTopKVKernel.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/arm_compute/core/CPP/kernels/CPPTopKVKernel.h b/arm_compute/core/CPP/kernels/CPPTopKVKernel.h new file mode 100644 index 0000000000..8d2456f30f --- /dev/null +++ b/arm_compute/core/CPP/kernels/CPPTopKVKernel.h @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2019 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 + * @param[in] targets A batch_size 1D tensor of class ids. Data types supported: S32 + * @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 + * @param[in] targets A batch_size 1D tensor info of class ids. Data types supported: S32 + * @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__ */ |