Pavan, That's what I needed. Thanks! Jody -----Original Message----- From: Pavan Balaji [mailto:[email protected]] Sent: Wednesday, January 23, 2013 2:04 PM To: [email protected] Cc: Jody Steadman Subject: Re: [mpich-discuss] MPICH_PORT_RANGE Hi Judy, We haven't tracked the number of ports that we need to create, but it'll be around 3-4 persistent ports + all the per-process ephemeral ports for inter-process connections that are setup on-demand. -- Pavan On 01/23/2013 10:07 AM US Central Time, Jody Steadman wrote:
Hi All,
What is the minimum number of ports required by MPICH for a single run? I'm in a situation where I need to limit the amount of ports in an environment, but could not find any documentation that says for each run MPICH needs x number of ports available in the range.
I'm using MPICH version 1.4.1p1 with Hydra.
Thanks,
Jody
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-- Pavan Balaji http://www.mcs.anl.gov/~balaji