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World barrier for clock synch

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This commit is contained in:
Peter Boyle 2022-07-11 13:45:31 -04:00
parent 1f903d9296
commit f7217d12d2
3 changed files with 6 additions and 0 deletions
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1
Grid/communicator/Communicator_base.h
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@ -107,6 +107,7 @@ public:
////////////////////////////////////////////////////////////////////////////////
static int RankWorld(void) ;
static void BroadcastWorld(int root,void* data, int bytes);
static void BarrierWorld(void);
////////////////////////////////////////////////////////////
// Reduction

4
Grid/communicator/Communicator_mpi3.cc
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@ -443,6 +443,10 @@ int CartesianCommunicator::RankWorld(void){
MPI_Comm_rank(communicator_world,&r);
return r;
}
void CartesianCommunicator::BarrierWorld(void){
int ierr = MPI_Barrier(communicator_world);
assert(ierr==0);
}
void CartesianCommunicator::BroadcastWorld(int root,void* data, int bytes)
{
int ierr= MPI_Bcast(data,

1
Grid/communicator/Communicator_none.cc
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@ -104,6 +104,7 @@ 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::BarrierWorld(void) { }
int CartesianCommunicator::RankFromProcessorCoor(Coordinate &coor) { return 0;}
void CartesianCommunicator::ProcessorCoorFromRank(int rank, Coordinate &coor){ coor = _processor_coor; }
void CartesianCommunicator::ShiftedRanks(int dim,int shift,int &source,int &dest)