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/*
* 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__*/
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