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From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2004-06-28 07:04:08


On Wed, 23 Jun 2004, Marc Colosimo wrote:

> Thanks, I tried that after I sent out my question and it didn't work (it
> couldn't make a connection or something like that). But now it does (I
> lamcleaned and lamhalted since). Actually, both tcp and usysv now work.
> Now, which is better for dual processor machines (linux with SMP kernel
> and DP Macs)? I'm not doing interslave communication, only communication
> is from the slaves to master node.

Sorry for the delay -- this message slipped by me...

If the slaves are *only* going to talk to the master, then I would suggest
pure TCP. This avoids any shmem locks and you're only blocking on
communication with the master.

-- 
{+} Jeff Squyres
{+} jsquyres_at_[hidden]
{+} http://www.lam-mpi.org/