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Command line arg

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This commit is contained in:
Peter Boyle
2026-08-30 10:42:10 -04:00
parent f0a2c0c465
commit 6c4634bc90
1 changed files with 6 additions and 1 deletions
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Grid/util/Init.cc
+6 -1
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@@ -343,7 +343,11 @@ void Grid_init(int *argc,char ***argv)
GridCmdOptionInt(arg,forcempi);
Stencil_force_mpi = (bool)forcempi;
}
if( GridCmdOptionExists(*argv,*argv+*argc,"--shm-barrier-force") ){
Stencil_force_barrier = true;
}
if( GridCmdOptionExists(*argv,*argv+*argc,"--device-mem") ){
int MB;
arg= GridCmdOptionPayload(*argv,*argv+*argc,"--device-mem");
@@ -538,6 +542,7 @@ void Grid_init(int *argc,char ***argv)
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<<" --shm-barrier-force : keep the node barrier in the halo exchange under --shm-mpi 1 (only orders shared memory PUT/GET, redundant otherwise)"<<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:"<<std::endl;