Charm++ parallel programming system

[Anirban Chatterjee <achatter AT cse.psu.edu>]

Hi Pritish,

I think that makes sense. I am looking for a distributed version. I'll 
try to use nchilada.

Thanks,
Anirban

On 1/25/2011 12:09 PM, Pritish Jetley wrote:
> Hello Anirban,
>
> That particular test program is an adaptation of the 'barnes'
> benchmark in the SPLASH suite of programs. It is meant to work only on
> single-node, shared-memory machines. In order to get it to work, you
> must make a 'multicore-linux64' build of Charm++. If you are looking
> for a distributed memory implementation of the Barnes-Hut algorithm,
> you might want to check out ChaNGa
> (http://software.astro.washington.edu/nchilada/).
>
> Pritish
>
> On Tue, Jan 25, 2011 at 10:59 AM, Anirban Chatterjee
> <achatter AT cse.psu.edu>
>   wrote:
> > Hi,
> >
> > I compiled charm++ and barnes-charm on a linux cluster. The compilation
> > seems to work without an error.
> > However, when I try running it on 4 nodes (1 core on each node) then
> > only process 0 seems to have the "bodytab" (see the functions
> > Main::startSimulation in Main.cpp and ParticleChunk::SlaveStart in
> > ParticleChunk.cpp).
> > I get a Signal 11 on all other processes other than Process 0 when they
> > try to access bodytab.
> >
> > Also this program runs fine on 1 processor.
> >
> > Did anyone see this error earlier? I don't know what could be going wrong.
> >
> > Thanks,
> > Anirban
> >
> > --
> > Anirban Chatterjee
> > 350 IST Building,
> > Department of Computer Science&    Engineering,
> > The Pennsylvania State University,
> > University Park, PA 16802
> >
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--
Anirban Chatterjee
350 IST Building,
Department of Computer Science&  Engineering,
The Pennsylvania State University,
University Park, PA 16802