MPI over ATM help or how-to?

Greg Lindahl lindahl at
Fri Mar 29 16:04:07 EST 2002

On Fri, Mar 29, 2002 at 09:13:19AM -0500, Lechner, David wrote:

> I am trying to do a comparison for customers that use ATM now - our goal is
> to demonstrate the performance improvement in running native and optimized
> FE communications vs. ATM (the cost savings is obvious) - 

I looked on the web and the only "native" ATM MPI implementation I see
is MetaMPICH, which seems to have gone defunct before delivering the
ATM part. So you are stuck with IP emulation over ATM, which is
probably never faster than fast ethernet.


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