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Re: [ESPResSo] The question about dipolar P3M
From: |
Axel Arnold |
Subject: |
Re: [ESPResSo] The question about dipolar P3M |
Date: |
Tue, 4 May 2010 10:22:18 +0200 |
User-agent: |
KMail/1.10.3 (Linux/2.6.27.45-0.1-default; KDE/4.1.3; x86_64; ; ) |
On Monday 03 May 2010 17:09:31 Ендальцев Антон wrote:
> Hello!
>
> Now i'm testing my program on the cluster (the computer with 64
> processors). And i have the error (when i'm testing on 4 processors):
> background_errors 0 {110 dipolar P3M does not run in parallel} 1 <consent>
> 2 <consent> 3 <consent> while executing
> "inter magnetic 1 p3m 5 32 7 0.3"
> ("while" body line 3)
>
> what is it? And how can i parallel my program right ?
The dipolar P3M is not parallelized so far, therefore, you cannot use it with
more than one processor. Parallelizing it would also be a quite demanding
task, since it requires much more FFTs than the classical charge-charge P3M.
Cheers,
Axel
--
Dr. Axel Arnold Tel: +49 711 685 67609
ICP, Universität Stuttgart Email: address@hidden
Pfaffenwaldring 27
70569 Stuttgart, Germany