[mpich-discuss] mpi/errhan/defmsg.h

[Pavan Balaji]

On 09/29/2010 11:47 PM, Jeff Hammond wrote:
> You are correct.  I switched from DCMF to MPI collectives and
> apparently only the latter cares about in-place.  See A1 commit 605
> for details.

I'm pretty sure it matters even for DCMF collectives, but it's possible 
that they are just not throwing an error in that case (?). But that can 
result in a corrupted buffer. You'll need to check with IBM to confirm, 
though.

  -- Pavan

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji