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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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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,