On Oct 27, 2012, at 10:49 AM, Mahmood Naderan wrote: > Why openmpi uses shared memory model?
Because communicating through shared memory when sending messages between processes on the same server is far faster than going through a network stack. > this can be disabled though by setting "--mca ^sm". > It seems that by default openmpi uses such feature (shared memory backing > files) which is strange. > > Regards, > Mahmood > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
