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Old 2011-08-16, 08:13   #1
ravlyuchenko
 
May 2011

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Default how to run msieve or cado-nfs on mpi-cluster?

I've built a Mpich-cluster ( which has 3 nodes ) in ubuntu according to https://help.ubuntu.com/community/MpichCluster , but i don't know how to distribute msieve on these nodes. Should I change the script by activating msieve with "mpiexec"? Or do anything else.

BTW, what are the paralell structures you are using to distribute msieve? Thanks for the suggestion!
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Old 2011-08-16, 12:12   #2
jasonp
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Oct 2004

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Most of the folks here with multiple machines use the perl or python scripts, which have all the sievers write to a shared directory but do not expect MPI to be available. The NFS readme in the Msieve source repository goes into a lot of detail on using MPI to run the linear algebra.

The CADO tools have an MPI-aware perl script you can use, which is documented pretty thoroughly.
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