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Add forgotten memcpy for SelfSufficient buffers

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This commit is contained in:
Alejandro Gallo 2022-09-30 14:35:28 +02:00
parent 1ca31f4929
commit 5f9725d515
1 changed files with 8 additions and 9 deletions
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17
include/atrip/SliceUnion.hpp
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@ -208,15 +208,14 @@ template <typename F=double>
auto dataPointer = freePointers.begin();
freePointers.erase(dataPointer);
blank.data = *dataPointer;
//
//
// TODO [#A]: do cuMemcpy of
// sources[from.source].data() ⇒ blank.data
// Do this when everything else is working.
// This will probably be a bottleneck of the H-to-D communication,
// as most slices are SelfSufficient.
//
//
WITH_CHRONO("cuda:memcpy",
WITH_CHRONO("cuda:memcpy:self-sufficient",
_CHECK_CUDA_SUCCESS("copying mpi data to device",
cuMemcpyHtoD(blank.data,
(void*)sources[from.source].data(),
sizeof(F) * sources[from.source].size()));
))
#else
blank.data = sources[from.source].data();
#endif