Newsgroups: comp.parallel.mpi
From: edemaine@ug.cs.dal.ca (Erik Demaine)
Subject: Re: Q: how to get global synchronous time?
Organization: Math, Stats & CS, Dalhousie University, Halifax, NS, Canada
Date: Sat, 10 Jun 1995 21:45:07 GMT
Message-ID: <D9z8F8.DBt@cs.dal.ca>

Steve Huss-Lederman (lederman@b125.super.org) wrote:
: It is very difficult for a user to get a globally synchronized clock
: if the vendor does not provide it.  The MPIF has just finished the
: updates to the MPI standard (small clarifications in MPI-1).  This is
: not the MPI-2 effort.  To help address this exact issue, there is a
: new attribute call MPI_WTIME_IS_GLOBAL which will tell you if the
: clock is globally synchronized or not.  The updated MPI standard
: should be available on-line very soon.

What modifications has the MPIF done?  Where can I get any papers on it?

BTW, do you mean MPI-1 or the first "real" version of MPI?  MPI1 was an
initial attempt for standardizing _point-to-point_ communication.

Thanks,
Erik
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