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Subject: Re: [OMPI users] reg. heterogeneous cluster confguration
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2007-11-21 07:38:00

On Nov 20, 2007, at 11:26 PM, Chadalavada Kalyana Krishna wrote:

> 1) Endian conversion - Open MPI does automatic endian conversion as
> long as
> the size of the data types on the communicating nodes is equal. This
> support
> is fully qualified from v1.1. Is this a correct statement?

It should work, but it's not something we test very often. At one
point, it did work. :-)

> 2) Windows and *nix clusters - Is it possible to have a single MPI
> application spawned and executed across a cluster of mixed operating
> systems
> like Windows & other flavours of UNIX (Solaris, Linux, AIX) etc? My
> understanding is from MPICH2, using SMPD process manager, it is.

Aside from Windows, yes. As you noted in your second post, our
Windows support is incomplete.

Jeff Squyres
Cisco Systems