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Diffstat (limited to 'src/core/NEON/kernels/NEQuantizationLayerKernel.h')
-rw-r--r-- | src/core/NEON/kernels/NEQuantizationLayerKernel.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEQuantizationLayerKernel.h b/src/core/NEON/kernels/NEQuantizationLayerKernel.h new file mode 100644 index 0000000000..5ee0ed4412 --- /dev/null +++ b/src/core/NEON/kernels/NEQuantizationLayerKernel.h @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2017-2020 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_NEQUANTIZATIONLAYERKERNEL_H +#define ARM_COMPUTE_NEQUANTIZATIONLAYERKERNEL_H + +#include "src/core/NEON/INEKernel.h" + +namespace arm_compute +{ +class ITensor; + +/** Interface for the quantization layer kernel. + * + * @note The implementation supports only 3D input tensors + * + */ +class NEQuantizationLayerKernel : public INEKernel +{ +public: + const char *name() const override + { + return "NEQuantizationLayerKernel"; + } + /** Default constructor */ + NEQuantizationLayerKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEQuantizationLayerKernel(const NEQuantizationLayerKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEQuantizationLayerKernel &operator=(const NEQuantizationLayerKernel &) = delete; + /** Default Move Constructor. */ + NEQuantizationLayerKernel(NEQuantizationLayerKernel &&) = default; + /** Default move assignment operator */ + NEQuantizationLayerKernel &operator=(NEQuantizationLayerKernel &&) = default; + /** Default destructor */ + ~NEQuantizationLayerKernel() = default; + /** Set the input, output. + * + * @param[in] input Source tensor. The dimensions over the third will be interpreted as batches. Data types supported: QASYMM8/QASYMM8_SIGNED/F32/F16. + * @param[out] output Destination tensor with the same dimensions of input. Data types supported: QASYMM8/QASYMM8_SIGNED/QASYMM16. + * + * @note Output auto initialization is not supported by this kernel + */ + void configure(const ITensor *input, ITensor *output); + /** Static function to check if given info will lead to a valid configuration of @ref NEQuantizationLayerKernel + * + * @param[in] input Input tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F32/F16. + * @param[in] output Output tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/QASYMM16. + * + * @return a status + */ + static Status validate(const ITensorInfo *input, const ITensorInfo *output); + + // Inherited methods overridden: + void run(const Window &window, const ThreadInfo &info) override; + +private: + /** Common signature for all the specialised @ref NEQuantizationLayerKernel functions + * + * @param[in] window Region on which to execute the kernel. + */ + using QuantizationFunctionExecutorPtr = void (NEQuantizationLayerKernel::*)(const Window &window); + /** Function to apply QASYMM8 or QASYMM8_SIGNED quantization on a tensor. + * + * @param[in] window Region on which to execute the kernel. + */ + template <typename TIn, typename TOut> + void run_quantize_qasymm8(const Window &window); + /** Function to apply QASYMM16 quantization on a tensor. + * + * @param[in] window Region on which to execute the kernel. + */ + template <typename T> + void run_quantize_qasymm16(const Window &window); + + const ITensor *_input; + ITensor *_output; + + QuantizationFunctionExecutorPtr _func; +}; +} // namespace arm_compute +#endif /*ARM_COMPUTE_NEQUANTIZATIONLAYERKERNEL_H */ |