From: raja@rsn.hp.com (Raja Daoud)
Newsgroups: comp.parallel.mpi
Subject: Re: Blocking wait on fd and MPI ?
Date: 1 Jul 1999 20:49:11 -0500
Organization: Hewlett-Packard Co.
Message-Id: <7lh5qn$3fp@tbag.rsn.hp.com>
References: <slrn7nfp37.6a8l.martial.michel@miyu.cam.nist.gov>
    <7l90ck$46o$1@walter-fddi.cray.com>
Xref: ukc comp.parallel.mpi:5272


Eric Salo <salo@cray.com> wrote:
>So if you're feeling particularly ambitious, you might try writing
>an extended version of MPI_Wait() which also accepts some number
>of user-supplied file descriptors and adds those to the internal
>select() call used by LAM.

...  LAM 6.2 and later support shared-memory in addition to TCP/IP when
using -c2c mode.  So this would only work if you have one process per
host in -c2c mode, or if you're running in -lamd mode (any # processes).

Better go for the portable loop of select()+timeout & MPI_Testsome().

--Raja

