ci.allGather(&nbOfNodeIdsLoc,1,MPI_ID_TYPE,nbOfElems.get(),1,MPI_ID_TYPE,comm);
std::vector< MCAuto<DataArrayIdType> > tabs(size);
//store for each proc the local nodeids intercepted by current proc
- int nbOfCollectiveCalls = size;// this parameter controls the memory peak
+ int nbOfCollectiveCalls = 1;// this parameter controls the memory peak
// loop to avoid to all procs to have all the nodes per proc
for(int subDiv = 0 ; subDiv < nbOfCollectiveCalls ; ++subDiv)
{
