From a7484a181f76670d5debdddde88744b0773295f9 Mon Sep 17 00:00:00 2001 From: boufaras Date: Tue, 30 Nov 2010 13:56:05 +0000 Subject: [PATCH] new class of managment of data on GPU global memory (allocation,desallocation & copy) git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@2013 331e1502-861f-0410-8da2-ba01fb791d7f --- ParadisEO-GPU/src/memory/moCudaObject.h | 92 +++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 ParadisEO-GPU/src/memory/moCudaObject.h diff --git a/ParadisEO-GPU/src/memory/moCudaObject.h b/ParadisEO-GPU/src/memory/moCudaObject.h new file mode 100644 index 000000000..4cae7e94d --- /dev/null +++ b/ParadisEO-GPU/src/memory/moCudaObject.h @@ -0,0 +1,92 @@ +/* + + Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010 + + Boufaras Karima, Thé Van Luong + + This software is governed by the CeCILL license under French law and + abiding by the rules of distribution of free software. You can use, + modify and/ or redistribute the software under the terms of the CeCILL + license as circulated by CEA, CNRS and INRIA at the following URL + "http://www.cecill.info". + + As a counterpart to the access to the source code and rights to copy, + modify and redistribute granted by the license, users are provided only + with a limited warranty and the software's author, the holder of the + economic rights, and the successive licensors have only limited liability. + + In this respect, the user's attention is drawn to the risks associated + with loading, using, modifying and/or developing or reproducing the + software by the user in light of its specific status of free software, + that may mean that it is complicated to manipulate, and that also + therefore means that it is reserved for developers and experienced + professionals having in-depth computer knowledge. Users are therefore + encouraged to load and test the software's suitability as regards their + requirements in conditions enabling the security of their systems and/or + data to be ensured and, more generally, to use and operate it in the + same conditions as regards security. + The fact that you are presently reading this means that you have had + knowledge of the CeCILL license and that you accept its terms. + + ParadisEO WebSite : http://paradiseo.gforge.inria.fr + Contact: paradiseo-help@lists.gforge.inria.fr + */ + +#ifndef _moCudaObject_H_ +#define _moCudaObject_H_ + +// CUDA includes +#include +#include +#include +#include + +/** + * class of managment of data on GPU global memory (allocation,desallocation & copy) + */ + +template +class moCudaObject { + +public: + + /** + *Copy data from CPU memory to GPU global memory (default copy) + *@param _data the data to allocate on GPU + *@param _dataTocpy the data to copy from CPU memory to _data on GPU memory + *@param _dataSize the size of data to copy + */ + + void memCopy(T* & _data, T * & _dataTocpy, unsigned _dataSize) { + malloc(_data, _dataSize); + copy(_data, _dataTocpy, _dataSize); + } + + /** + *Copy device data from GPU global memory to global variable declared in device + *@param _dev_data the device global variable + *@param _dataTocpy the data to copy GPU global memory to GPU global variable + */ + + void memCopyGlobalVariable(T* & _dev_data, T * & _dataTocpy) { + copy(_dev_data, _dataTocpy); + } + + /** + *Desallocate data on GPU global memory + *@param _data the data to desallocate from GPU global memory + */ + + void memFree(T* & _data) { + free(_data); + } + +public: + + moCudaAllocator malloc; + moCudaCopy copy; + moCudaDesallocator free; + +}; + +#endif