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jiri
2013-11-04 14:56:39 +00:00
parent a9e30620f0
commit 80fe44fab2
18 changed files with 505 additions and 308 deletions
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10
vec.h
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@@ -149,10 +149,10 @@ public:
#endif
//! create separate copy of the data corresponding to this vector
void copyonwrite();
void copyonwrite(bool detachonly=false);
//! purge this vector
void clear() { copyonwrite(); LA_traits<T>::clear(v, nn); };
void clear() { copyonwrite(true); LA_traits<T>::clear(v, nn); };
//! assignment operator assigns given vector
NRVec& operator=(const NRVec &rhs);
@@ -806,7 +806,7 @@ NRVec<T>::~NRVec() {
* make own copy of the underlying data connected with this vector
******************************************************************************/
template <typename T>
void NRVec<T>::copyonwrite() {
void NRVec<T>::copyonwrite(bool detachonly) {
if(!count) laerror("copyonwrite of an undefined vector");
if(*count > 1) {
(*count)--;
@@ -817,12 +817,12 @@ void NRVec<T>::copyonwrite() {
if(location == cpu){
#endif
newv = new T[nn];
memcpy(newv, v, nn*sizeof(T));
if(!detachonly) memcpy(newv, v, nn*sizeof(T));
#ifdef CUDALA
}else{
newv = (T *) gpualloc(nn*sizeof(T));
if(sizeof(T)%sizeof(float) != 0) laerror("memory alignment problem in NRVec<T>::copyonwrite()");
cublasScopy(nn*sizeof(T)/sizeof(float), (const float *) v, 1, (float *)newv, 1);
if(!detachonly) cublasScopy(nn*sizeof(T)/sizeof(float), (const float *) v, 1, (float *)newv, 1);
TEST_CUBLAS("cublasScopy");//"NRVec<T>::copyonwrite()"
}
#endif