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Diffstat (limited to 'src/cpu/kernels/CpuCastKernel.h')
-rw-r--r-- | src/cpu/kernels/CpuCastKernel.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/cpu/kernels/CpuCastKernel.h b/src/cpu/kernels/CpuCastKernel.h new file mode 100644 index 0000000000..a8ce97230e --- /dev/null +++ b/src/cpu/kernels/CpuCastKernel.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2016-2021 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_CPU_CAST_KERNEL_H +#define ARM_COMPUTE_CPU_CAST_KERNEL_H + +#include "src/core/common/Macros.h" +#include "src/cpu/ICpuKernel.h" + +namespace arm_compute +{ +namespace cpu +{ +namespace kernels +{ +/** Casts a given tensor to a new type + * + * @note When casting between quantized types the scale and zeroPoint are ignored + */ +class CpuCastKernel : public ICpuKernel +{ +public: + CpuCastKernel() = default; + ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuCastKernel); + /** Set the src and dst of the kernel + * + * Valid conversions src -> dst : + * + * - QASYMM8_SIGNED -> S16, S32, F32, F16 + * - QASYMM8 -> U16, S16, S32, F32, F16 + * - U8 -> U16, S16, S32, F32, F16 + * - U16 -> U8, U32 + * - S16 -> QASYMM8_SIGNED, U8, S32 + * - BFLOAT16 -> F32 + * - F16 -> QASYMM8_SIGNED, QASYMM8, F32, S32, U8 + * - S32 -> QASYMM8_SIGNED, QASYMM8, F16, F32, U8 + * - F32 -> QASYMM8_SIGNED, QASYMM8, BFLOAT16, F16, S32, U8 + * + * @param[in] src The src tensor to convert. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/BFLOAT16/F16/F32. + * @param[out] dst The dst tensor. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/U32/S32/BFLOAT16/F16/F32. + * @param[in] policy Conversion policy. + */ + void configure(const ITensorInfo *src, ITensorInfo *dst, ConvertPolicy policy); + /** Static function to check if given info will lead to a valid configuration + * + * Similar to @ref CpuCastKernel::configure() + * + * @return a status + */ + static Status validate(const ITensorInfo *src, const ITensorInfo *dst, ConvertPolicy policy); + + // Inherited methods overridden: + void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; + const char *name() const override; + +private: + ConvertPolicy _policy{ ConvertPolicy::SATURATE }; +}; +} // namespace kernels +} // namespace cpu +} // namespace arm_compute +#endif /* ARM_COMPUTE_CPU_CAST_KERNEL_H */ |