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Diffstat (limited to 'arm_compute/core/NEON/kernels/assembly/NEGEMMAssemblyWrapper.h')
-rw-r--r-- | arm_compute/core/NEON/kernels/assembly/NEGEMMAssemblyWrapper.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/arm_compute/core/NEON/kernels/assembly/NEGEMMAssemblyWrapper.h b/arm_compute/core/NEON/kernels/assembly/NEGEMMAssemblyWrapper.h new file mode 100644 index 0000000000..646cc7861a --- /dev/null +++ b/arm_compute/core/NEON/kernels/assembly/NEGEMMAssemblyWrapper.h @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2018 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_H__ +#define __ARM_COMPUTE_ASSEMBLY_GEMM_KERNEL_WRAPPER_H__ + +#include "arm_compute/core/NEON/INEKernel.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/core/Utils.h" + +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 NEGEMMAssemblyWrapper 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 T> +class NEGEMMAssemblyWrapper final : public INEKernel +{ +public: + /** Constructor + */ + NEGEMMAssemblyWrapper() : _kernel(nullptr) {} + + NEGEMMAssemblyWrapper(NEGEMMAssemblyWrapper &) = delete; + NEGEMMAssemblyWrapper(NEGEMMAssemblyWrapper &&) = default; + NEGEMMAssemblyWrapper & operator=(NEGEMMAssemblyWrapper &) = delete; + + const char *name() const override + { + return "NEGEMMAssemblyWrapper"; + } + // Inherited methods overridden: + 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 first = window.x().start(); + auto last = window.x().end(); + _kernel->execute(first, last, 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(T *kernel) + { + ARM_COMPUTE_ERROR_ON_NULLPTR((reinterpret_cast<void*>(kernel))); + _kernel = kernel; + auto win_last = _kernel->get_window_size(); + Window win; + win.set(Window::DimX, Window::Dimension(0, win_last, 1)); + INEKernel::configure(win); + } +private: + T* _kernel; +}; + +} // namespace arm_compute +#endif /*__ARM_COMPUTE_NEGEMMAARCH64KERNEL_H__*/ |