From: yashodhan karandikar (yashkarandikar_at_gmail.com)
Date: Wed Mar 16 2011 - 00:48:27 CDT
I have compiled the network version of NAMD with ibverbs option for
infiniband. I am running on 128 cores. I dont think any other major job is
running on these nodes. What could be the problem ?
On Wed, Mar 16, 2011 at 11:06 AM, Axel Kohlmeyer <akohlmey_at_gmail.com> wrote:
> On Wed, Mar 16, 2011 at 12:06 AM, yashodhan karandikar
> <yashkarandikar_at_gmail.com> wrote:
> > I am running NAMD with numsteps=30000. The WallClock times for multiple
> runs
> > are fluctuating by more than 100 % at times. For instance, one run takes
> 436
> > seconds, while another run takes 887 seconds, both with the same
> parameters.
> >
> > This problem did not occur with numsteps=5000.
> >
> > What could be the problem ?
>
>
>
> not knowing anything about what you are running how and
> on what kind of machine with what else is going on at the
> same time, one would have to be clairvoyant to answer that question.
>
> axel.
>
> >
> > Thanks & Regards,
> > Yashodhan Karandikar
> >
>
>
>
> --
> Dr. Axel Kohlmeyer
> akohlmey_at_gmail.com http://goo.gl/1wk0
>
> Institute for Computational Molecular Science
> Temple University, Philadelphia PA, USA.
>
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