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From: Gleb Natapov (glebn_at_[hidden])
Date: 2005-08-15 07:37:20


On Mon, Aug 15, 2005 at 08:09:16AM -0400, Jeff Squyres wrote:
> On Aug 14, 2005, at 8:53 AM, Gleb Natapov wrote:
>
> > Lets say application wants to send buffer B to 100 other ranks. It does
> > 100 MPI_Isend (B).
>
> This is actually an erroneous MPI program. MPI specifically states
> that a buffer can be used for exactly one communication at a time.
>
This is actually the way MPI_Bcast works right now IMHO :)

> I don't know if this matters or not, because users will likely still do
> it, but I thought I'd bring up the point... :-)
>
Right.

--
			Gleb.