Newsgroups: comp.parallel.mpi
From: eddemain@neumann.uwaterloo.ca (Erik Demaine)
Subject: Re: mpi file
Organization: University of Waterloo
Date: Sun, 6 Oct 1996 14:07:44 GMT
Message-ID: <Dyuxww.oMC@undergrad.math.uwaterloo.ca>

Amy Xin Chen (amychen@Glue.umd.edu) wrote:
: MPI applications can be started by the command "mpirun -p4pg pgfile mypgm" 
: where pgfile is a file with the format as:
:   <hostname> <#procs> <pgmname> [<login>]
: Any body has experience by using IP address in stead of hostname? It
: works? I am in a special situation, so i have to use IP addresses to start
: my MPI application. Need help. Thank you.

Note that this is MPICH, not MPI.

That should work just fine.  In the UNIX network system calls, a hostname
and an IP address are "identical."  p4 (and hence MPICH/ch_p4) only uses
these function calls, me thinks.

Erik
-- 
Erik Demaine                 ()  e-mail: eddemain@neumann.uwaterloo.ca
Dept. of Computer Science    \/  URL: http://barrow.uwaterloo.ca/~eddemain/
University of Waterloo       /\  PGP key: finger me.  "Flying is the art of
Waterloo, ON Canada N2L 3G1  ()  falling and not hitting the ground" -Adams

