[Beowulf] The Case for an MPI ABI

William Gropp gropp at mcs.anl.gov
Wed Feb 23 05:38:03 PST 2005


At 05:31 AM 2/23/2005, Ashley Pittman wrote:
>On Tue, 2005-02-22 at 11:06 -0600, Rusty Lusk wrote:
> > From: Greg Lindahl <lindahl at pathscale.com>
> > Subject: [Beowulf] The Case for an MPI ABI
> > Date: Mon, 21 Feb 2005 21:08:24 -0800
> > > This talk:
> > >
> > > http://www.openib.org/docs/oib_wkshp_022005/mpi-abi-pathscale-lindahl.pdf
> > >
> > > mostly talks about why we need an ABI, who wins and loses as a result
> > > of having one, and the pieces that could be in it. Please give it a
> > > look.
> >
> > One piece you include is the replacement of the non-portable mpirun with
> > an mpistart with standard arguments.  You might note that the MPI-2
> > forum addressed this issue with the specification of an mpiexec with
> > standard arguments.  MPICH2 implements it.
>
>Can you provide a link to the the part of the MPI-2 spec which says what
>these arguments are, I can't seem to find it on-line.

It is under "Portable MPI Process Startup"; see 
http://www.mpi-forum.org/docs/mpi-20-html/node42.htm#Node42 .

Bill


>Ashley,
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William Gropp
http://www.mcs.anl.gov/~gropp 




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