RE: [mpi-21] ABI (was: Call for MPI 2.2 and 3.0...)

["Supalov, Alexander" <alexander.supalov@xxxxxxxxx>]

... Or a feature of an MPI implementation they used successfully before.

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Dr Alexander Supalov
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-----Original Message-----
From: owner-mpi-21@xxxxxxxxxxxxx [mailto:owner-mpi-21@xxxxxxxxxxxxx] On
Behalf Of Rajeev Thakur
Sent: Wednesday, December 05, 2007 8:29 PM
To: mpi-21@xxxxxxxxxxxxx
Subject: RE: [mpi-21] ABI (was: Call for MPI 2.2 and 3.0...)

More than holes in the standard, it is because people (sometimes
unknowingly) assume things not guaranteed by the standard, e.g., code
that
relies on MPI_Send being  nonblocking or MPI_Get being blocking. So it's
more often user error.

Rajeev

> -----Original Message-----
> From: owner-mpi-21@xxxxxxxxxxxxx 
> [mailto:owner-mpi-21@xxxxxxxxxxxxx] On Behalf Of Greg Lindahl
> Sent: Wednesday, December 05, 2007 1:19 PM
> To: mpi-21@xxxxxxxxxxxxx
> Subject: Re: [mpi-21] ABI (was: Call for MPI 2.2 and 3.0...)
> 
> On Wed, Dec 05, 2007 at 10:37:18AM -0000, Supalov, Alexander wrote:
> 
> > In other words,
> > an application may not work upon transition to a new MPI. 
> In fact, very
> > often it does not.
> 
> Is there any way to collect more details about such instances, so that
> we can think about possible holes in the standard?
> 
> -- greg
> 
> 
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