[Beowulf] MPICH2: Handle Limit?
rross at mcs.anl.gov
Fri Feb 4 13:16:17 EST 2005
There should not be an 84 handle limit.
Can you tell me what version of MPICH2 this is, and what architecture and
OS you're running on? Do you have a simple test that exhibits the
Rob Ross, Mathematics and Computer Science Division, Argonne National Lab
On Thu, 3 Feb 2005, R Hamann wrote:
> I've been having some strange problems with a program using the MPICH2
> library. When I added some new datatypes for ghost cell exchange, the
> program would hang. I figured out that any number of handles over 84
> would cause this. Fortunately, I could delete some handles that I no
> longer needed, but it still seemed strange. Are my calculations
> correct that for each process there is an 84 handle limit? or am I
> seeing some other problem?
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