Re: [OMPI users] Setting MCA parameter from within program

2010-01-14 Thread Jeff Squyres
On Jan 14, 2010, at 3:08 PM, Roland Schulz wrote: > is it possible to set MCA parameters from within the MPI program itself? The > FAQ only mentions how to set them through files or environment variables. Not really (other than setenv()). Most MCA parameters are read during MPI_INIT and not ex

[OMPI users] Setting MCA parameter from within program

2010-01-14 Thread Roland Schulz
Hi all, is it possible to set MCA parameters from within the MPI program itself? The FAQ only mentions how to set them through files or environment variables. I would like to set coll_tuned_use_dynamic_rules and coll_tuned_alltoall_algorithm. I assume there is a function to do this in include/o