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 .
>
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