portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-12 20:27:06 +01:00
Code Releases Activity

Solving again the MPI comm bug with FFTs

Browse Source
This commit is contained in:
Guido Cossu
2017-10-25 10:24:14 +01:00
parent 27936900e6
commit 8309f2364b
7 changed files with 21 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
lib/communicator/Communicator_base.h
View File

@ -155,6 +155,7 @@ class CartesianCommunicator {
////////////////////////////////////////////////
CartesianCommunicator(const std::vector<int> &processors,const CartesianCommunicator &parent);
CartesianCommunicator(const std::vector<int> &pdimensions_in);
virtual ~CartesianCommunicator();
private:
#if defined (GRID_COMMS_MPI) || defined (GRID_COMMS_MPIT)

6
lib/communicator/Communicator_mpi.cc
View File

@ -52,6 +52,12 @@ void CartesianCommunicator::Init(int *argc, char ***argv) {
MPI_Comm_dup (MPI_COMM_WORLD,&communicator_world);
ShmInitGeneric();
}
CartesianCommunicator::~CartesianCommunicator(){
 if (communicator && !MPI::Is_finalized())
 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);

6
lib/communicator/Communicator_mpit.cc
View File

@ -53,6 +53,12 @@ void CartesianCommunicator::Init(int *argc, char ***argv) {
ShmInitGeneric();
}
CartesianCommunicator::~CartesianCommunicator(){
 if (communicator && !MPI::Is_finalized())
 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);

2
lib/communicator/Communicator_none.cc
View File

@ -56,6 +56,8 @@ CartesianCommunicator::CartesianCommunicator(const std::vector<int> &processors)
}
}
CartesianCommunicator::~CartesianCommunicator(){}
void CartesianCommunicator::GlobalSum(float &){}
void CartesianCommunicator::GlobalSumVector(float *,int N){}
void CartesianCommunicator::GlobalSum(double &){}