portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-16 23:07:05 +01:00
Code Releases Activity

Fixing the MPI memory leak in the communicators

Browse Source
This commit is contained in:
Guido Cossu
2017-11-07 13:55:37 +00:00
parent 360efd0088
commit c519aab19d
4 changed files with 14 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
lib/communicator/Communicator_mpi3.cc
View File

@ -596,6 +596,14 @@ CartesianCommunicator::CartesianCommunicator(const std::vector<int> &processors)
}
}
};
CartesianCommunicator::~CartesianCommunicator()
{
int MPI_is_finalised;
MPI_Finalized(&MPI_is_finalised);
if (communicator && !MPI_is_finalised)
MPI_Comm_free(&communicator);
}
void CartesianCommunicator::GlobalSum(uint32_t &u){
int ierr=MPI_Allreduce(MPI_IN_PLACE,&u,1,MPI_UINT32_T,MPI_SUM,communicator);
assert(ierr==0);