Re: nodelist ignored?

From: Jim Phillips (jim_at_ks.uiuc.edu)
Date: Mon Sep 29 2003 - 14:27:45 CDT

The Origin2000 build isn't a network version, it only works via shared
memory. It might be possible to build a network version for SGI, but the
last time I checked it didn't run correctly. People have had success
using the Origin2000-MPI version with SGI's MPI setup.

-Jim

On Mon, 29 Sep 2003, Gengbin Zheng wrote:

>
> Hi,
>
> Could you show us where you put the nodelist file, and what it looks
> like?
> btw, use "./charmrun ++verbose ..." at runtime should tell you more about
> which nodelist it was using.
>
> Gengbin
>
> On Mon, 29 Sep 2003, Nathalie Reuter wrote:
>
> > Dear namd-users/developpers,
> >
> > I am trying to run namd (on parrallel) two sgi fuel machines, each of
> > them having one processor. I launch the calculation from one of the
> > machines.
> >
> > I use the command: charmrun +p2 namd2 inputfile.namd
> >
> > I have a nodelist file but strangely, it seems to be completely
> > ignored. The command simply causes two namd2 processes to be launched on
> > the local machine, each of them using 50% of the cpu ressources. I used
> > namd2 and charm on linux clusters before and it worked fine, I could
> > without any problem choose on which node to run.
> >
> > I checked that I can ssh to the machines without entering password, I
> > also changed the CONV_RSH variable. Namd itself runs very well. I also
> > tried to put the full path for charmrun and namd2 in the command line.
> >
> > The version of Namd2 installed is 2.5b3 for Origin2000, binaries from
> > the website.
> >
> > Does anyone have any idea of what to do to solve the problem ?
> >
> > Thanks in advance,
> >
> > Nathalie Reuter
> >
>
> Gengbin Zheng
> ============
> (217)355-8416 (h)
> (217)244-5883 (o)
> gzheng_at_uiuc.edu
> http://thrift.cs.uiuc.edu/~gzheng/personal.html
>

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