On Sat, 12 Dec 2009, Przemyslaw Kaminski wrote: > I am a beginner in libMesh. I'm currently studying the examples. I > cannot find anywhere the option to change the number of processors. > Currently, example 10 is running on 1 processor. How can I make it use > more? > Thanks in advance and sorry for such a silly question ;)
We get the number of processors from the MPI environment; the specifics of how to set that up depend on your MPI implementation (or on more complex systems, on your job queueing system). Typically, instead of running "./ex10 -some_options" you'd run something like "mpiexec -np 4 ./ex10 -some_options" to start on 4 processors. In our example files, you can still run multiprocessor jobs through "make run" by setting the LIBMESH_RUN environment variable, to something like "mpirun -np 2" (or whatever else needs to precede the rest of the command line). --- Roy ------------------------------------------------------------------------------ Return on Information: Google Enterprise Search pays you back Get the facts. http://p.sf.net/sfu/google-dev2dev _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
