[CP2K:1555] repeated output entries
Teodoro Laino
teodor... at gmail.com
Mon Nov 17 10:38:57 UTC 2008
Alessio,
that's a typical case when you submit sopt with mpirun.
please, compile for popt.
teo
sersunzo wrote:
> Dear all,
>
> I’m a new user to CP2K. I’m trying to run some exercises repeating
> some cases proposed at a tutorial I attended in Lyon this May.
>
> When I run a MD simulation on a AMD-Opteron (2.2 GHz) cluster I
> noticed that the text in output files is repeated according to the
> number of processor I used.
>
> For instance, the .ener file with 1 processor is
>
> Step Time[fs] Kin.[a.u.] … UsedTime[s]
> 0 0 0.012825602 … 0
> 1 0.5 0.012483648 … 15.3102
> 2 1 0.011524168 … 6.7489
>
> with 2 processors
>
> Step Time[fs] Kin.[a.u.] … UsedTime[s]
> 0 0 0.012825602 … 0
> 1 0.5 0.012483669 … 26.1512
> 1 0.5 0.012483669 … 26.3826
> 2 1 0.011524142 … 6.7792
> 2 1 0.011524142 … 6.7637
> …etc.
>
> with four
>
> Step Time[fs] Kin.[a.u.] … UsedTime[s]
> 0 0 0.012825602 … 0
> 1 0.5 0.012483669 … 52.7459
> 1 0.5 0.012483669 … 53.7512
> 1 0.5 0.012483669 … 57.6845
> 1 0.5 0.012483669 … 57.689
> 2 1 0.011524142 … 13.4656
> 2 1 0.011524142 … 14.3997
> 2 1 0.011524142 … 13.8007
> 2 1 0.011524142 … 14.1252
> 3 1.5 0.010195152 … 17.2202
> 3 1.5 0.010195152 … 17.6331
> 3 1.5 0.010195152 … 17.1964
> 3 1.5 0.010195152 … 17.4447
> 4 2 0.008830685 … 13.4772
> 4 2 0.008830685 … 14.5027
> 4 2 0.008830685 … 14.0316
> 4 2 0.008830685 … 13.9997
> …etc.
>
> It looks like each processor is working by its own and the calculation
> time increases with the number of processors. I supposed there is a
> compilation issue (arch=Linux-x86-64-intel). I just wondering if
> somebody else had this problem before.
>
> Thank in advance
> Alessio
>
> >
>
More information about the CP2K-user
mailing list