----- Original Message -----
From: NG HUI WEN <[email protected]>
Date: Friday, August 27, 2010 15:55
Subject: [gmx-users] Attempting to scale gromacs mdrun_mpi
To: [email protected]
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> Thanks a lot Roland! > > I'm using Beowulf cluster which I believe uses
> ethernet connection (1 node = 1 cpu in my case). I found an article by
> Kutzner et al (2006) which talks about the problem in speeding up parallel
> processing in such clusters. Does it mean that if i continue to use the
> ethernet-connected cluster and not gone for the 4.5 beta version, I'm stuck
> with a low number of processors due to the difficulty in scaling? Thanks
> again for your advice!
Yes. Ethernet, even gigabit, is not up to the job of doing the required
communication for GROMACS for more than a handful of processors. You can get
what you pay for with networking hardware, I'm afraid :-)
Mark
|
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