[gmx-users] Load imbalance

[Erik Marklund]

Carla Jamous skrev:
> Hi everyone,
>
> Lately I've been using gromacs version 3.3.3. Yesterday, I started 
> simulations in a cluster where gromacs version is 4.0.3.
> After a run, I got this error message:
>  Average load imbalance: 0.5 %
>  Part of the total run time spent waiting due to load imbalance: 0.3 %
>  Steps where the load balancing was limited by -rdd, -rcon and/or 
> -dds: X 0 % Y 0 %
>  Average PME mesh/force load: 0.898
>  Part of the total run time spent waiting due to PP/PME imbalance: 2.7 %
>
> I don't have a clue what this means & how can I fix it?
>
> Please can anyone help?
>
> Thank you
> Carla
This is no error message. 0.5 % load imbalance just means that the 
workload was distributed in a good way over procesors throughout your 
simulation.

-- 
-----------------------------------------------
Erik Marklund, PhD student
Laboratory of Molecular Biophysics,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,    75124 Uppsala, Sweden
phone:    +46 18 471 4537        fax: +46 18 511 755
erikm at xray.bmc.uu.se    http://xray.bmc.uu.se/molbiophys