Newsgroups: comp.parallel.mpi
From: salo@mrjones.engr.sgi.com (Eric Salo)
Subject: Re: non-daemon MPI?
Organization: Silicon Graphics, Inc.  Mountain View, CA
Date: 28 Mar 1997 01:02:50 GMT
Message-ID: <5hf5bq$gjk@murrow.corp.sgi.com>

> Are there any MPI's out there that aren't daemon based?  It seems to me
> that skipping the daemon would be a lot faster and yet MPICH and LAM both
> have daemons.  Also I really want a daemonless MPI because it should be
> easier to port to an odd non-unix platform (Macintosh).

Daemons can be a Very Good Thing as long as they don't get in the way of
your critical path. The MPICH p4 daemon is only used to set up the initial
socket connections between communicating peers, and the LAM daemon can also
be short-circuited with the '-c2c' option to mpirun.

--
Eric Salo    Silicon Graphics Inc.    salo@sgi.com