inline HostIterator copy_to_host(svm_ptr<T> first,
svm_ptr<T> last,
HostIterator result,
command_queue &queue)
{
size_t count = iterator_range_size(first, last);
if(count == 0){
return result;
}
queue.enqueue_svm_memcpy(
::boost::addressof(*result), first.get(), count * sizeof(T)
);
return result + count;
}
inline svm_ptr<T> copy_on_device(svm_ptr<T> first,
svm_ptr<T> last,
svm_ptr<T> result,
command_queue &queue)
{
size_t count = iterator_range_size(first, last);
if(count == 0){
return result;
}
queue.enqueue_svm_memcpy(
result.get(), first.get(), count * sizeof(T)
);
return result + count;
}
inline svm_ptr<T> copy_to_device(HostIterator first,
HostIterator last,
svm_ptr<T> result,
command_queue &queue,
const wait_list &events)
{
size_t count = iterator_range_size(first, last);
if(count == 0){
return result;
}
queue.enqueue_svm_memcpy(
result.get(), ::boost::addressof(*first), count * sizeof(T), events
);
return result + count;
}