[Beowulf] MPI questions
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Sean Dilda agrajag at dragaera.netMon Apr 4 07:22:50 PDT 2005
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Jake Thebault-Spieker wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi all, > > What is the difference between MPI? Does MPI need to be running on all > the nodes or just the node that the job was started on? You are asking questions specific to MPI implementations, not MPI itself. MPI is an API definition. That's it. There are several different implementations of MPI. Two of the most common are MPICH and LAM/MPI. > Is the debian > package MPICH the correct one? Although I don't use debian, that should work. If its MPICH 1, you don't need any daemons running. It'll launch the jobs through rsh or ssh (depending on how its compiled).
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