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author | George Wort <george.wort@arm.com> | 2018-12-13 17:50:26 +0000 |
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committer | Georgios Pinitas <georgios.pinitas@arm.com> | 2019-01-02 13:47:45 +0000 |
commit | 5801a5508aecc91df7d669f086d6977d70059c65 (patch) | |
tree | 0cf4a6af6cd025213a916651537e4a2f8891430f /arm_compute/core/NEON/kernels | |
parent | 3f8aac4474b245b20c07b3a5384577a83f4950a7 (diff) | |
download | ComputeLibrary-5801a5508aecc91df7d669f086d6977d70059c65.tar.gz |
COMPMID-1767: NEON: Implement Where/Select
Change-Id: If8a1ab6d6a029a5c547b726e0692eecef9a2e97d
Reviewed-on: https://review.mlplatform.org/415
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Diffstat (limited to 'arm_compute/core/NEON/kernels')
-rw-r--r-- | arm_compute/core/NEON/kernels/NESelectKernel.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/arm_compute/core/NEON/kernels/NESelectKernel.h b/arm_compute/core/NEON/kernels/NESelectKernel.h new file mode 100644 index 0000000000..215dc2f5ee --- /dev/null +++ b/arm_compute/core/NEON/kernels/NESelectKernel.h @@ -0,0 +1,102 @@ +/* + * Copyright (c) 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, INNEUDING 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 NEAIM, 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_NESELECTKERNEL_H__ +#define __ARM_COMPUTE_NESELECTKERNEL_H__ + +#include "arm_compute/core/NEON/INEKernel.h" +#include "arm_compute/core/Types.h" + +namespace arm_compute +{ +class ITensor; + +/** Interface for the select kernel + * + * Select is computed by: + * @f[ output(i) = condition(i) ? x(i) : y(i) @f] + * + */ +class NESelectKernel : public INEKernel +{ +public: + const char *name() const override + { + return "NESelectKernel"; + } + /** Default constructor */ + NESelectKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NESelectKernel(const NESelectKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NESelectKernel &operator=(const NESelectKernel &) = delete; + /** Allow instances of this class to be moved */ + NESelectKernel(NESelectKernel &&) = default; + /** Allow instances of this class to be moved */ + NESelectKernel &operator=(NESelectKernel &&) = default; + /** Default destructor */ + ~NESelectKernel() = default; + + /** Common signature for all the specialised elementwise functions + * + * @param[in] c Condition input tensor. Data types supported: U8. + * @param[in] x First input tensor. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32. + * @param[out] y Second input tensor. Data types supported: Same as @p x + * @param[in] output Output tensor. Data types supported: Same as @p x + */ + void configure(const ITensor *c, const ITensor *x, const ITensor *y, ITensor *output); + + /** Validate the argument passed to the kernel + * + * @param[in] c Condition input tensor. Data types supported: U8. + * @param[in] x First input tensor. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32. + * @param[in] y Second input tensor. Data types supported: Same as @p x + * @param[in] output Output tensor. Data types supported: Same as @p x. + * + * @return a status + */ + static Status validate(const ITensorInfo *c, const ITensorInfo *x, const ITensorInfo *y, const ITensorInfo *output); + + // Inherited methods overridden: + void run(const Window &window, const ThreadInfo &info) override; + +private: + /** Common signature for all the specialised select functions + * + * @param[in] c Condition input tensor. Data types supported: U8. + * @param[in] x First input tensor. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32. + * @param[in] y Second input tensor. Data types supported: Same as @p x + * @param[in] output Output tensor. Data types supported: Same as @p x. + */ + using SelectFunction = void(const ITensor *c, const ITensor *x, const ITensor *y, ITensor *output, const Window &window); + + /** Select function to use for the particular tensor types passed to configure() */ + SelectFunction *_function; + const ITensor *_c; /**< Condition tensor */ + const ITensor *_x; /**< Source tensor 1 */ + const ITensor *_y; /**< Source tensor 2 */ + ITensor *_output; /**< Destination tensor */ + bool _has_same_rank; /**< Flag that indicates if condition tensor and other inputs have the same rank */ +}; +} // namespace arm_compute +#endif /* __ARM_COMPUTE_NESELECTKERNEL_H__ */ |