Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Abort NEST if run using mpirun but compiled without support for MPI #2533

Merged
merged 4 commits into from
Nov 29, 2022
Merged

Abort NEST if run using mpirun but compiled without support for MPI #2533

Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
2c06618
Abort NEST if run using mpirun, but compied without support for MPI
jougs Nov 25, 2022
527a749
Update nestkernel/mpi_manager.cpp
jougs Nov 27, 2022
90e5685
Fixing code style
jougs Nov 29, 2022
0a880aa
Merge branch 'master' of github.com:nest/nest-simulator into feature
jougs Nov 29, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 15 additions & 0 deletions nestkernel/mpi_manager.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@

#include "mpi_manager.h"

// C++ includes:
#include <cstdlib>

// Includes from libnestutil:
#include "stopwatch.h"
Expand Down Expand Up @@ -180,6 +182,19 @@ nest::MPIManager::init_mpi( int* argc, char** argv[] )
void
nest::MPIManager::initialize()
{
#ifndef HAVE_MPI
char* pmix_rank_set = std::getenv( "PMIX_RANK" ); // set by OpenMPI's launcher
char* pmi_rank_set = std::getenv( "PMI_RANK" ); // set by MPICH's launcher
if ( pmix_rank_set or pmi_rank_set )
{
LOG( M_FATAL,
"MPIManager::initialize()",
"You seem to be using NEST via an MPI launcher like mpirun, mpiexec or srun "
"although NEST was not compiled with MPI support. Please see the NEST "
"documentation about parallel and distributed computing. Exiting." );
std::exit( 127 );
}
#endif
}

void
Expand Down