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Code Releases Activity

Options controlling behaviour

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This commit is contained in:
Peter Boyle 2021-09-21 00:51:01 +02:00
parent f660dc67e4
commit 68650b61fe
1 changed files with 10 additions and 1 deletions
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9
Grid/util/Init.cc
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@ -301,6 +301,13 @@ void Grid_init(int *argc,char ***argv)
GlobalSharedMemory::MAX_MPI_SHM_BYTES = MB64*1024LL*1024LL;
}
if( GridCmdOptionExists(*argv,*argv+*argc,"--shm-mpi") ){
int forcempi;
arg= GridCmdOptionPayload(*argv,*argv+*argc,"--shm-mpi");
GridCmdOptionInt(arg,forcempi);
Stencil_force_mpi = (bool)forcempi;
}
if( GridCmdOptionExists(*argv,*argv+*argc,"--device-mem") ){
int MB;
arg= GridCmdOptionPayload(*argv,*argv+*argc,"--device-mem");
@ -419,7 +426,9 @@ void Grid_init(int *argc,char ***argv)
std::cout<<GridLogMessage<<" --threads n : default number of OMP threads"<<std::endl;
std::cout<<GridLogMessage<<" --grid n.n.n.n : default Grid size"<<std::endl;
std::cout<<GridLogMessage<<" --shm M : allocate M megabytes of shared memory for comms"<<std::endl;
std::cout<<GridLogMessage<<" --shm-mpi 0|1 : Force MPI usage under multi-rank per node "<<std::endl;
std::cout<<GridLogMessage<<" --shm-hugepages : use explicit huge pages in mmap call "<<std::endl;
std::cout<<GridLogMessage<<" --device-mem M : Size of device software cache for lattice fields (MB) "<<std::endl;
std::cout<<GridLogMessage<<std::endl;
std::cout<<GridLogMessage<<"Verbose and debug:"<<std::endl;
std::cout<<GridLogMessage<<std::endl;