Hi Jim,

That system should scale quite well with a fast network (infiniband) since you don't seem to be using PME, and the CVS 3.99 version is even better.

However, as David already mentioned, the gigabit network is likely limiting you. If you test the CVS code there are timing reports that will tell you how much _time_ (vs. floating-point operations) is spent on each part of the algorithm.

Cheers,

Erik



On Jul 18, 2007, at 6:23 PM, Jim Kress wrote:

It's a 3.712 cube containing 1722 tip4p water molecules at 300 deg K and
density = 1000kg/l

Regards,

Jim Kress

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