[mpich-discuss] General Scalability Question - correction

Pavan Balaji balaji at mcs.anl.gov
Mon Oct 26 10:48:49 CDT 2009

On 10/26/2009 10:46 AM, Hiatt, Dave M wrote:
> Linux defaults to 1024 sockets!   Sorry.

Most MPI implementations open network connections only to processes
outside the node. Also, this is on-demand, i.e., only if you want to
communicate with a process, a connection is opened. Further, increasing
the number of sockets, is a single command :-). Is that such a big deal?

 -- Pavan

Pavan Balaji

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