Hints on improving performance with WRF and Pnetcdf

[Rob Latham]

On Thu, Sep 02, 2010 at 04:27:42PM -0600, Craig Tierney wrote:
> Is it possible to set hints from the environment
> without having to explicitly call MPI_Info_set?
> It appears that Cray has done this, but I didn't
> find anything in the ROMIO documentation that indicates
> it has been done here.

Hi Craig

Can you tell me more about the Cray mechanism?

I added this to ROMIO a few releases back (MPICH2-1.0.6 and newer) ,
maybe that's what they are using:

http://www.mcs.anl.gov/research/projects/romio/doc/users-guide/node13.html

==rob

-- 
Rob Latham
Mathematics and Computer Science Division
Argonne National Lab, IL USA