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Diffstat (limited to 'src/cpu/kernels/CpuSoftmaxKernel.h')
-rw-r--r-- | src/cpu/kernels/CpuSoftmaxKernel.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/cpu/kernels/CpuSoftmaxKernel.h b/src/cpu/kernels/CpuSoftmaxKernel.h new file mode 100644 index 0000000000..043ad975d5 --- /dev/null +++ b/src/cpu/kernels/CpuSoftmaxKernel.h @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2017-2024 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 ACL_SRC_CPU_KERNELS_CPUSOFTMAXKERNEL_H +#define ACL_SRC_CPU_KERNELS_CPUSOFTMAXKERNEL_H + +#include "src/core/common/Macros.h" +#include "src/cpu/ICpuKernel.h" + +namespace arm_compute +{ +namespace cpu +{ +namespace kernels +{ +/** Interface for softmax computation */ +class CpuSoftmaxKernel : public ICpuKernel<CpuSoftmaxKernel> +{ +private: + using SoftmaxKernelPtr = + std::add_pointer<void(const ITensor *, void *const, ITensor *, float, int, const Window &)>::type; + +public: + CpuSoftmaxKernel() = default; + ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuSoftmaxKernel); + + /** Set the input and output tensors. + * + * @param[in] src Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. + * @param[out] dst Destination tensor info. Data types supported: same as @p input. + * @param[in] beta A scaling factor for the exponent. + * @param[in] is_log True if the operation is log-softmax. + * @param[in] axis The axis along which to perform the softmax operation. + * + * @param tmp Auxiliary tensor info. Must be type F32 and same shape as the input. + */ + void configure(const ITensorInfo *src, ITensorInfo *dst, float beta, bool is_log, int axis, ITensorInfo *tmp); + /** Static function to check if given info will lead to a valid configuration + * + * Similar to CpuSoftmaxKernel::configure() + * + * @return a status + */ + static Status + validate(const ITensorInfo *src, const ITensorInfo *dst, float beta, int axis, bool is_log, const ITensorInfo *tmp); + + // Inherited methods overridden: + void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; + const char *name() const override; + + struct SoftmaxKernel + { + const char *name; + const SoftmaxKernelDataTypeISASelectorDataPtr is_selected; + SoftmaxKernelPtr ukernel; + }; + + static const std::vector<SoftmaxKernel> &get_available_kernels(); + +private: + float _beta{1.0f}; + SoftmaxKernelPtr _run_method{nullptr}; + std::string _name{}; + int _axis{}; +}; +} // namespace kernels +} // namespace cpu +} // namespace arm_compute +#endif // ACL_SRC_CPU_KERNELS_CPUSOFTMAXKERNEL_H |