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Diffstat (limited to 'arm_compute/core/NEON/kernels/NEStackLayerKernel.h')
| -rw-r--r-- | arm_compute/core/NEON/kernels/NEStackLayerKernel.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/arm_compute/core/NEON/kernels/NEStackLayerKernel.h b/arm_compute/core/NEON/kernels/NEStackLayerKernel.h new file mode 100644 index 0000000000..3a9e81fa94 --- /dev/null +++ b/arm_compute/core/NEON/kernels/NEStackLayerKernel.h @@ -0,0 +1,107 @@ +/* + * Copyright (c) 2018-2019 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_NESTACKLAYERKERNEL_H__ +#define __ARM_COMPUTE_NESTACKLAYERKERNEL_H__ + +#include "arm_compute/core/NEON/INEKernel.h" +#include "arm_compute/core/Types.h" + +namespace arm_compute +{ +class ITensor; + +/** NEON kernel to stacks a rank-R tensor into one with rank-(R+1) along the axis dimension.*/ +class NEStackLayerKernel : public INEKernel +{ +public: + const char *name() const override + { + return "NEStackLayerKernel"; + } + /** Default constructor */ + NEStackLayerKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEStackLayerKernel(const NEStackLayerKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEStackLayerKernel &operator=(const NEStackLayerKernel &) = delete; + /** Allow instances of this class to be moved */ + NEStackLayerKernel(NEStackLayerKernel &&) = default; + /** Allow instances of this class to be moved */ + NEStackLayerKernel &operator=(NEStackLayerKernel &&) = default; + /** Default destructor */ + ~NEStackLayerKernel() = default; + /** Initialise the kernel's inputs and output + * + * @note Supported input tensor rank: up to 4 + * + * @param[in] input Input tensor. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32 + * @param[in] axis The dimension to stack the tensors along. It must be smaller than the number of input dimensions. + * @param[in] idx_input Index of the input tensor in the list of tensors to stack. + * All tensors in the list must have the same shape + * @param[in] num_tensors Number of tensors to stack + * @param[out] output Output tensor. Data types supported: Same as @p input. + * + */ + void configure(const ITensor *input, unsigned int axis, unsigned int idx_input, unsigned int num_tensors, ITensor *output); + /** Static function to check if given info will lead to a valid configuration of @ref NEStackLayerKernel + * + * @note Supported input tensor rank: up to 4 + * + * @param[in] input Input tensor info. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32 + * @param[in] axis The dimension to stack the tensors along. It must be smaller than the number of input dimensions. + * @param[in] idx_input Index of the input tensor in the list of tensors to stack + * All tensors in the list must have the same shape + * @param[in] num_tensors Number of tensors to stack + * @param[in] output Output tensor info. Data types supported: Same as @p input. + * + * @return a status + */ + static Status validate(const ITensorInfo *input, unsigned int axis, unsigned int idx_input, unsigned int num_tensors, const ITensorInfo *output); + + // Inherited methods overridden + void run(const Window &window, const ThreadInfo &info) override; + +private: + /** Template function to run the stack + * + * @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()). + */ + template <typename T> + void run_stack(const Window &window); + + /** Common signature for all the specialised stack functions + * + * @param[in] window Region on which to execute the kernel. + */ + using StackFunctionPtr = void (NEStackLayerKernel::*)(const Window &window); + + const ITensor *_input; + ITensor *_output; + unsigned int _axis; + unsigned int _idx_input; + StackFunctionPtr _func; +}; +} // namespace arm_compute +#endif /* __ARM_COMPUTE_NESTACKLAYERKERNEL_H__ */ |