[Gate-users] time reduction : Gate clustering

[Alexandre CARRÉ]

Thank you very much for the answer Hermann. I understand better how it
works !

Best regards

Alexandre
ᐧ

2018-04-12 10:19 GMT+02:00 Hermann Fuchs <hermann.fuchs at meduniwien.ac.at>:

> Dear Alexandre,
>
> yes and no. :-)
>
> I assume you are using the GateJobSplitter gjs.
>
> If you simulate the same number of particles 10 times, you get more
> statistics, but end up with the same simulation time.
>
> You would need to reduce the number of particles per split.
>
> What the splitting does, is to create copies of the original simulation.
> So if you simulate 100 particles, each of the splitted simulations will
> also simulate 100 particles. Best practise is to reduce the number of
> particles of the original simulation by the splitting factor.
>
> All the best,
>
> Hermann
>
> Am 12.04.2018 um 10:11 schrieb Alexandre CARRÉ:
>
> Hello Gate Users,
>
> Something intrigues me about splitting simulation on cluster.
> Example, If I run a simulation on 1 core and it takes 40 minutes.
> Shouldn't I have this time reduced by 10 if I split my simulation on 10
> cores?
> That is not the case. Each simulation takes 40 min on each of the cores.
> So I don't save time using clustering...
> How can this problem be fixed?
>
> Best regards
> ᐧ
>
>
> _______________________________________________
> Gate-users mailing listGate-users at lists.opengatecollaboration.orghttp://lists.opengatecollaboration.org/mailman/listinfo/gate-users
>
>
> --
> -------------
> DI Hermann Fuchs, PhD
> Christian Doppler Laboratory for Medical Radiation Research for Radiation Oncology
> Department of Radiotherapy
> Medical University Vienna
> Währinger Gürtel 18-20
> A-1090 Wien
>
> Tel.  + 43 / 1 / 40 400 72710
> Mail. hermann.fuchs at meduniwien.ac.at
>
>
> _______________________________________________
> Gate-users mailing list
> Gate-users at lists.opengatecollaboration.org
> http://lists.opengatecollaboration.org/mailman/listinfo/gate-users
>
-------------- section suivante --------------
Une pièce jointe HTML a été nettoyée...
URL: <http://lists.opengatecollaboration.org/pipermail/gate-users/attachments/20180412/4f871de5/attachment.html>