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Code Releases Activity

FFT offload to GPU and MUCH faster comms.

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40x speed up on Frontier
This commit is contained in:
Peter Boyle
2025-08-21 16:44:55 -04:00
parent 76c0ada1e1
commit fe0db53842
8 changed files with 443 additions and 176 deletions
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Grid/communicator/Communicator_none.cc
+7 -7
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@@ -89,7 +89,7 @@ void CartesianCommunicator::SendToRecvFrom(void *xmit,
int dest,
void *recv,
int from,
int bytes)
uint64_t bytes)
{
GRID_ASSERT(0);
}
@@ -99,7 +99,7 @@ void CartesianCommunicator::SendToRecvFromBegin(std::vector<CommsRequest_t> &lis
int dest,
void *recv,
int from,
int bytes,int dir)
uint64_t bytes,int dir)
{
GRID_ASSERT(0);
}
@@ -115,8 +115,8 @@ void CartesianCommunicator::AllToAll(void *in,void *out,uint64_t words,uint64_t
int CartesianCommunicator::RankWorld(void){return 0;}
void CartesianCommunicator::Barrier(void){}
void CartesianCommunicator::Broadcast(int root,void* data, int bytes) {}
void CartesianCommunicator::BroadcastWorld(int root,void* data, int bytes) { }
void CartesianCommunicator::Broadcast(int root,void* data, uint64_t bytes) {}
void CartesianCommunicator::BroadcastWorld(int root,void* data, uint64_t bytes) { }
void CartesianCommunicator::BarrierWorld(void) { }
int CartesianCommunicator::RankFromProcessorCoor(Coordinate &coor) { return 0;}
void CartesianCommunicator::ProcessorCoorFromRank(int rank, Coordinate &coor){ coor = _processor_coor; }
@@ -132,7 +132,7 @@ double CartesianCommunicator::StencilSendToRecvFrom( void *xmit,
int xmit_to_rank,int dox,
void *recv,
int recv_from_rank,int dor,
int bytes, int dir)
uint64_t bytes, int dir)
{
return 2.0*bytes;
}
@@ -143,7 +143,7 @@ double CartesianCommunicator::StencilSendToRecvFromPrepare(std::vector<CommsRequ
int xmit_to_rank,int dox,
void *recv,
int recv_from_rank,int dor,
int xbytes,int rbytes, int dir)
uint64_t xbytes,uint64_t rbytes, int dir)
{
return 0.0;
}
@@ -152,7 +152,7 @@ double CartesianCommunicator::StencilSendToRecvFromBegin(std::vector<CommsReques
int xmit_to_rank,int dox,
void *recv, void *recv_comp,
int recv_from_rank,int dor,
int xbytes,int rbytes, int dir)
uint64_t xbytes,uint64_t rbytes, int dir)
{
return xbytes+rbytes;
}