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Re: [Cado-nfs-discuss] Restarting BWC with different # threads


Chronological Thread 
  • From: paul zimmermann <Paul.Zimmermann@inria.fr>
  • To: paul.leyland@gmail.com
  • Cc: cado-nfs-discuss@lists.gforge.inria.fr
  • Subject: Re: [Cado-nfs-discuss] Restarting BWC with different # threads
  • Date: Mon, 20 Apr 2015 13:00:50 +0200
  • List-archive: <http://lists.gforge.inria.fr/pipermail/cado-nfs-discuss/>
  • List-id: A discussion list for Cado-NFS <cado-nfs-discuss.lists.gforge.inria.fr>

Dear Paul,

thank you for the log files. The right way is not to manually modify the param
file, but to add options to the cadofactor.py command line. I've tried the
following with the current git version:

1) ./factor.sh
4150325003953540491644898572994268014120159229862228308634769166153949

2) kill the process during the linear algebra

3) grep cadofactor.py in the c70.log file, and append
tasks.linalg.bwc.threads=2x2 at the end:

$ /users/caramel/zimmerma/svn/cado-nfs/scripts/cadofactor/cadofactor.py
/tmp/cado.9vIWPtttCt/param
N=4150325003953540491644898572994268014120159229862228308634769166153949
tasks.execpath=/users/caramel/zimmerma/svn/cado-nfs/build/tarte
tasks.threads=1 tasks.workdir=/tmp/cado.9vIWPtttCt slaves.hostnames=localhost
slaves.nrclients=1
slaves.scriptpath=/users/caramel/zimmerma/svn/cado-nfs/scripts/cadofactor
server.address=localhost slaves.basepath=/tmp/cado.9vIWPtttCt/client/
tasks.linalg.bwc.cpubinding=/users/caramel/zimmerma/svn/cado-nfs/linalg/bwc/cpubinding.conf
tasks.linalg.bwc.threads=2x2

and it finished without any error:

Info:Complete Factorization: Total cpu/elapsed time for entire factorization:
195.99/394.786
57544089887737977040578587881401331 72124261797351492142294585373264879

Please can you confirm it works on your side?

Best regards,
Paul Z.




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