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new class of managment of data on GPU global memory (allocation,desallocation & copy)

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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@2013 331e1502-861f-0410-8da2-ba01fb791d7f
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boufaras 2010-11-30 13:56:05 +00:00
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ParadisEO-GPU/src/memory/moCudaObject.h Normal file
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/*
<moCudaObject.h>
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 <cutil.h>
#include <moCudaAllocator.h>
#include <moCudaDesallocator.h>
#include <moCudaCopy.h>
/**
* class of managment of data on GPU global memory (allocation,desallocation & copy)
*/
template<typename T>
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<T> malloc;
moCudaCopy<T> copy;
moCudaDesallocator<T> free;
};
#endif