[mpich-discuss] Announcing the availability of MPICH2-1.2

Pavan Balaji 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.

  -- Pavan

Pavan Balaji

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