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From: Sriram Rallabhandi (sriramr_at_[hidden])
Date: 2004-10-06 15:43:56


I too thought about that. Thanks for replying.

However, each node has to run some other applications based on the files
created. It would be much simpler
if I could separate the files into different directories.

Sriram

At 05:29 PM 10/6/2004 -0300, you wrote:

> Hi Sriram,
>
> A simple solution could to let each rank output to a file
> associated with itself, like output_1, output_2, ...and so on.
> So that all of them could live in the same directory without being
> overwritten.
>
> Regards,
>
> Roberto
>
>
>
>On Wed, 6 Oct 2004, Sriram Rallabhandi wrote:
>
> >
> > Hi all,
> >
> > I have a shared space cluster and I'm trying to distribute my work among
> > various nodes. I create and use various files during each run on each node.
> > If nothing is done, the files created by one node will get overwritten by
> > the same files created by other nodes.
> >
> > So, I wish to create different directories for each node and build all the
> > files and use them in that directory. When all work is done, I would like
> > to get all the information back to the root and proceed to the final
> > computations.
> >
> > I start my mpirun from /rootdirectory/
> >
> > The root node creates all files in this directory and all other nodes
> > should create the exact same files in directories /rootdirectory/1/,
> > /rootdirectory/2/ ..etc.
> >
> > I have tried doing "cd itoa(rank)" from /rootdirectory/ for each node
> > before the actual computation begins. However, the pwd remains the
> > /rootdirectory/
> > and files are being overwritten.
> >
> > How can I do this? Is there any other way to do the above?
> >
> > Thanks
> > Sriram
> >
> >
> >
> -------------------------------------------------------------------------------
> > Sriram K. Rallabhandi
> > Graduate Research Assistant Work: 404 385 2789
> > Aerospace Engineering Res: 404 603 9160
> > Georgia Inst. of Technology
> >
> -------------------------------------------------------------------------------
> >
> > _______________________________________________
> > This list is archived at http://www.lam-mpi.org/MailArchives/lam/
> >
>
>_______________________________________________
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Sriram K. Rallabhandi
Graduate Research Assistant Work: 404 385 2789
Aerospace Engineering Res: 404 603 9160
Georgia Inst. of Technology
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