[mpich-discuss] mpiexec - specifying list of hosts in command line without file

[Yauheni Zelenko]

Hi!

Just grep Hydra source code (1.3a) and it doen't have such command line parameter (only -f) and didn't list it in common command line parameters in usage.

Eugene.
________________________________________
From: mpich-discuss-bounces at mcs.anl.gov [mpich-discuss-bounces at mcs.anl.gov] On Behalf Of Reuti [reuti at staff.uni-marburg.de]
Sent: Thursday, June 17, 2010 4:38 PM
To: mpich-discuss at mcs.anl.gov
Subject: Re: [mpich-discuss] mpiexec - specifying list of hosts in command      line without file

Hi,

Am 18.06.2010 um 00:10 schrieb Yauheni Zelenko:

> I think will be good idea to introduce command line parameter for
> mpiexec for specifying list of hosts directly in command line.
>
> It's handy for quick experiments. Also will be useful in farm
> environment (like Platform LSF) where host are listed in environment
> variable.

AFAICS there exists alread the option -host to mpiexec (man mpiexec).
It will just need some preprocessing to convert an environment
variable in the proper format:

http://rc.partners.org/node/232

-- Reuti
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