[gmx-users] more CPU usage and LINCS

David van der Spoel spoel at xray.bmc.uu.se
Wed Jun 9 09:28:11 CEST 2004


On Wed, 2004-06-09 at 03:15, F Jiang wrote:
> Dear gmx-users,
> 
> Thanks for the previous replies. The ‘top’ command shows the CPU is
> ~0% user ~100% system. I get this problem when mdrun_pr goes on
> forever (>2000mins CPU) and when there are many LINCS warnings and
> huge bond deviations. I tried ‘lincs_order=50’ with l-bfgs and then
> mdrun_pr (with a few initial steps generating LINCS warnings) and
> mdrun_md could run. Should I also increase ‘lincs_iter’ ? In any case,
> I would think LINCS should abort instead of running for too long.
avoid using constraints with minimization.
> 
>  
> 
> Thanks very much.
> 
> Fan 
> 
>  
> 
> 
> 
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-- 
David.
________________________________________________________________________
David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596, 75124 Uppsala, Sweden
phone:  +46 18 471 4205  fax: +46 18 511 755
spoel at xray.bmc.uu.se    spoel at gromacs.org   http://xray.bmc.uu.se/~spoel
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