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
> -------------------------------------------------------------------------------
>
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