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Diffstat (limited to 'src/cpu/ICpuKernel.h')
-rw-r--r-- | src/cpu/ICpuKernel.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/cpu/ICpuKernel.h b/src/cpu/ICpuKernel.h new file mode 100644 index 0000000000..bcd0cb2c70 --- /dev/null +++ b/src/cpu/ICpuKernel.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2021-2022 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_ICPUKERNEL_H +#define ARM_COMPUTE_ICPUKERNEL_H + +#include "arm_compute/core/CPP/ICPPKernel.h" + +#include "src/cpu/kernels/CpuKernelSelectionTypes.h" + +namespace arm_compute +{ +namespace cpu +{ +enum class KernelSelectionType +{ + Preferred, /**< Retrieve the best implementation available for the given Cpu ISA, ignoring the build flags */ + Supported /**< Retrieve the best implementation available for the given Cpu ISA that is supported by the current build */ +}; + +template <class Derived> +class ICpuKernel : public ICPPKernel +{ +public: + /** Micro-kernel selector + * + * @param[in] selector Selection struct passed including information to help pick the appropriate micro-kernel + * @param[in] selection_type (Optional) Decides whether to get the best implementation for the given hardware or for the given build + * + * @return A matching micro-kernel else nullptr + */ + + template <typename SelectorType> + static const auto *get_implementation(const SelectorType &selector, + KernelSelectionType selection_type = KernelSelectionType::Supported) + { + using kernel_type = + typename std::remove_reference<decltype(Derived::get_available_kernels())>::type::value_type; + + for (const auto &uk : Derived::get_available_kernels()) + { + if (uk.is_selected(selector) && (selection_type == KernelSelectionType::Preferred || uk.ukernel != nullptr)) + { + return &uk; + } + } + + return static_cast<kernel_type *>(nullptr); + } +}; +} // namespace cpu +} // namespace arm_compute +#endif /* ARM_COMPUTE_ICPUKERNEL_H */ |