[mpich-discuss] version 1.1 strange behavior : all processes become idle for extensive period

[Darius Buntinas]

On 07/13/2009 07:58 PM, chong tan wrote:
> I tried MPICH_NO_LOCAL option.  communication time between the processes
> grew 400% with that
> option.

OK, that's not unexpected.

> same 'nap' problem with this env var.  

OK, so we know it's not related to the MPICH2 shared memory
communication mechanism.

Thanks for the info.

-d