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Diffstat (limited to 'src/core/NEON/kernels/assembly/NEGEMMAssemblyWrapperKernel.h')
-rw-r--r-- | src/core/NEON/kernels/assembly/NEGEMMAssemblyWrapperKernel.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/assembly/NEGEMMAssemblyWrapperKernel.h b/src/core/NEON/kernels/assembly/NEGEMMAssemblyWrapperKernel.h new file mode 100644 index 0000000000..2d3d805553 --- /dev/null +++ b/src/core/NEON/kernels/assembly/NEGEMMAssemblyWrapperKernel.h @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2018-2020 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_ASSEMBLY_GEMM_KERNEL_WRAPPER_KERNEL_H +#define ARM_COMPUTE_ASSEMBLY_GEMM_KERNEL_WRAPPER_KERNEL_H + +#include "arm_compute/core/NEON/INEKernel.h" +#include "arm_compute/core/Utils.h" +#include "arm_compute/core/Validate.h" +#include "arm_gemm_compute_iface.hpp" + +#include "gemm_common.hpp" + +namespace arm_compute +{ +class ITensor; + +/** This class is a wrapper for the assembly kernels. + * + * Some kernels were written in assembly and highly optimised for specific CPUs like A53 or A55. + * This class works as a wrapper for these assembly kernels. The arm compute library creates an instance + * of NEGEMMAssemblyWrapperKernel and other auxiliary data structures to execute a single assembly kernel + * in the context of an NEFunctions. + * + * The type T is the type of the actual kernel implemented in assembly which is of type + * template<typename To, typename Tr> class GemmCommon + * + * + */ +template <typename TypeInput, typename TypeOutput> +class NEGEMMAssemblyWrapperKernel final : public INEKernel +{ +public: + /** Constructor + */ + NEGEMMAssemblyWrapperKernel() + : _kernel(nullptr), _name("NEGEMMAssemblyWrapperKernel") + { + } + + NEGEMMAssemblyWrapperKernel(NEGEMMAssemblyWrapperKernel &) = delete; + NEGEMMAssemblyWrapperKernel(NEGEMMAssemblyWrapperKernel &&) = default; + NEGEMMAssemblyWrapperKernel &operator=(NEGEMMAssemblyWrapperKernel &) = delete; + + const char *name() const override + { + return _name.c_str(); + } + + void run(const Window &window, const ThreadInfo &info) override + { + ARM_COMPUTE_ERROR_ON_NULLPTR((reinterpret_cast<void *>(_kernel))); + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + + auto win = arm_gemm::to_ndcoord(window); + + arm_gemm::ndcoord_t thread_locator{}; + + _kernel->execute(win, thread_locator, info.thread_id); + } + + // Inherited methods overridden: + void run_nd(const Window &window, const ThreadInfo &info, const Window &thread_locator) override + { + ARM_COMPUTE_ERROR_ON_NULLPTR((reinterpret_cast<void *>(_kernel))); + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + + //convert between arm_compute and arm_gemm types + auto ndc_win = arm_gemm::to_ndcoord(window); + auto ndc_tlc = arm_gemm::to_ndcoord(thread_locator); + + _kernel->execute(ndc_win, ndc_tlc, info.thread_id); + } + + /** Initialise the kernel's input and output. + * + * @param[in] kernel Pointer to an assembly kernel implementation. + * @param[in] num_threads Number of concurrent threads which will execute the kernel. + */ + void configure(arm_gemm::GemmCommon<TypeInput, TypeOutput> *kernel, std::string kernel_name_tag) + { + ARM_COMPUTE_ERROR_ON_NULLPTR((reinterpret_cast<void *>(kernel))); + _kernel = kernel; + + Window win = to_window(kernel->get_window_size()); + + INEKernel::configure(win); + + if(!kernel_name_tag.empty()) + { + _name += "/" + kernel_name_tag; + } + } + +private: + arm_gemm::GemmCommon<TypeInput, TypeOutput> *_kernel; + std::string _name; +}; +} // namespace arm_compute +#endif /* ARM_COMPUTE_ASSEMBLY_GEMM_KERNEL_WRAPPER_KERNEL_H */ |