On Feb 11, 2010, at 2:14 PM, Lisandro Dalcin wrote:
> But you did not answer my previous question... What's the rationale
> for requiring sendbuf!=recvbuf when count=0? I would argue you want a
> free ticket :-) to put restrictions on user code (without an actual
> rationale) in order to simplify
On Feb 11, 2010, at 7:10 AM, Jeff Squyres (jsquyres) wrote:
> I misparsed your reply. Yes, bcast(1) *can* sync if it wants to. I don't have
> a spec handy to check if bcast(0) is defined or not (similar to reduce). If
> it is, then sure, it could sync as well.
FWIW, in looking through MPI-2.2,