Scyld: Myrinet config?

Jason L Tibbitts III tibbs at
Tue May 8 11:04:04 PDT 2001

>>>>> "DR" == Daniel Ridge <newt at> writes:

[Myrinet cluster with front end not doing computations and not connected to

DR> This can be done. When running Scyld, The Chiba City cluster at Argonne
DR> National Lab operates exactly this way.

Ah, really?  When I asked about this a while ago, I was informed that it
would require nontrivial hacking.  Unfortunately my cluster already exists
that way and I have no further funding on that project to buy a Scyld
support contract so I let it drop.  If the situation has improved then I'll
have to have another look at Scyld.

I guess the important issue was dealing with the mapper.  It has to go on
one of the compute nodes, since the front end isn't on the Myrinet.

 - J<

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