Newsgroups: comp.parallel.mpi
From: salo@mrjones.engr.sgi.com (Eric Salo)
Subject: Re: How are MPI_Send and MPI_Isend implemented in MPICH?
Organization: Silicon Graphics, Inc.  Mountain View, CA
Date: 23 May 1995 02:31:28 GMT
Message-ID: <3prhe0$sr9@fido.asd.sgi.com>


In article <3poft8$qbb@hptemp1.cc.umr.edu>, jlu@cs.umr.edu writes:
> Hi *,
> 
> How are MPI_Send and MPI_Isend implemented in MPICH? Thanks!!

Depends on which ADI you use. With the ch_p4 device, for example, the
data is buffered. With the device that we are working on (and which will
hopefully be out soon in 1.0.9) there is virtually no buffering.

Eric Salo         Silicon Graphics Inc.             "Do you know what the
(415)390-2998     2011 N. Shoreline Blvd, 7L-802     last Xon said, just
salo@sgi.com      Mountain View, CA   94043-1389     before he died?"

