nojhan/paradiseo
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

add &

Browse source 
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@2011 331e1502-861f-0410-8da2-ba01fb791d7f
This commit is contained in:
boufaras 2010-11-29 11:04:30 +00:00
commit 8d49fc1fc1
1 changed files with 11 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

18
ParadisEO-GPU/src/memory/moCudaCopy.h
View file

@ -61,22 +61,26 @@ public:
*@param _dataSize the size of data to copy *@param _dataSize the size of data to copy
*/ */
void operator()(T* _data, T * _dataTocpy, unsigned _dataSize) { void operator()(T* & _data, T * & _dataTocpy, unsigned _dataSize) {
//copy data from CPU memory to GPU global memory
//copy data from CPU memory to GPU memory
CUDA_SAFE_CALL(cudaMemcpy(_data, _dataTocpy, _dataSize * sizeof(T), CUDA_SAFE_CALL(cudaMemcpy(_data, _dataTocpy, _dataSize * sizeof(T),
cudaMemcpyHostToDevice)); cudaMemcpyHostToDevice));
// Check if the copy of data is failed // Check if the copy of data is failed
CUT_CHECK_ERROR("Copy of data from CPU to GPU global memory failed"); CUT_CHECK_ERROR("Copy of data from CPU to GPU global memory failed");
} }
/** /**
*Copy n bytes from the memory area pointed to by _dataTocpy to the memory area pointed to by offset bytes from the start of symbol _dev_data *Copy device data from GPU global memory to global variable declared in device
*@param _dev_data the data destination on device *@param _dev_data the device global variable
*@param _dataTocpy the source memory address *@param _dataTocpy the data to copy GPU global memory to GPU global variable
*/ */
void operator()(T* _dev_data, T * _dataTocpy) { void operator()(T* & _dev_data, T * & _dataTocpy) {
//Copy n bytes from the memory area pointed to by _dataTocpy to the memory area pointed to by offset bytes from the start of symbol _dev_data
cudaMemcpyToSymbol(_dev_data, &_dataTocpy, sizeof(_dataTocpy)); cudaMemcpyToSymbol(_dev_data, &_dataTocpy, sizeof(_dataTocpy));
@ -90,7 +94,7 @@ public:
*@param _HostToDevice the direction of copy(true if copy will be done from CPU memory to GPU memory) *@param _HostToDevice the direction of copy(true if copy will be done from CPU memory to GPU memory)
*/ */
void operator()(T* _data, T * _dataTocpy, unsigned _dataSize, void operator()(T* & _data, T * & _dataTocpy, unsigned _dataSize,
bool _HostToDevice) { bool _HostToDevice) {
if (_HostToDevice) { if (_HostToDevice) {