There are several modules providing collective communications. The default one in OMPI is tuned, and can be found on ompi/mca/coll/tuned. Each collective has several implementations, and there is a decision function to switch between them.
george. On Jan 6, 2011, at 06:13 , Zaibi Eya wrote: > Hi every body, > > I am working in the simulation of the behaviour of collective operations and > i must understand the code (the algorithms) of bcast.c,scatter.c.... But > unfortunately, i didn't find the algorithms implementation of braodcast, > scatter, gather et the architecture of the framework is not easy.. So where > can i find the algorithms' implementation . > I will be very gratefull for your help . > > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel
