[mpich-discuss] Announcing the availability of MPICH2-1.2
balaji at mcs.anl.gov
Thu Oct 8 09:16:03 CDT 2009
> Changesets 5126 and 5148 mention the limit of MX endpoints per host.
> This defaults to 8, but can be modified when MX is loaded. Rather than
> outline the procedure in the README or CHANGES, you may want to simply
> edit the README to recommend that the user contact help at myri.com if they
> need to use more endpoints. We do not recommend oversubscribing the
> cores (more MPI ranks than cores), but someone will need to do this if
> they have more than 8 cores/host or if they use PVFS2/MX or Lustre/MX
> with 8 cores/host.
Sure, we'll add this to the README. Thanks.
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