[MITgcm-support] reducing the size of STDOUT files etc

Jonny Williams Jonny.Williams at bristol.ac.uk
Mon May 12 09:20:28 EDT 2014


Hi Martin

Thanks for that. I hadn't realised that I'd defined monitorFreq twice!

Thanks again!

Jonny


On 12 May 2014 13:38, Martin Losch <Martin.Losch at awi.de> wrote:

> Hi Jonny,
>
> each process will create it’s own pair of STDOUT/STDERR, not much you can
> do about it without hacking the code.
>
> But I saw that your monitorFreq = 1.
> this means that’s you’ll get output every timestep (and in all STDOUT.*).
> This appears to be an overkill for a “production” run (where you don’t test
> things any longer), will make the model very slow and the STDOUT-files very
> large. For a production run I usually use a monitorFreq = 20-50*deltaT.
>
> M.
>
> On May 12, 2014, at 1:58 PM, Jonny Williams <Jonny.Williams at bristol.ac.uk>
> wrote:
>
> > Hi there
> >
> > I am trying to reduce the size of the output from my model because I am
> running on a very large number of processors and all the STDOUT* files (for
> example) are taking up too much space.
> >
> > I've followed the instructions on this MITgcm support page...
> >
> > http://mitgcm.org/pipermail/mitgcm-support/2009-April/006013.html
> >
> > ... but I am still getting a STDOUT file for every processor (>1000)
> which is killing my disk space allowance! Is there something that I've
> missed? I thought that running with useSingleCpuIO=.TRUE. should mean that
> I only get 1 STDOUT file? I've attached my data file in case anyone has any
> ideas as to what is going wrong?!
> >
> > Many thanks for your help.
> >
> > Jonny
> >
> > --
> > Dr Jonny Williams
> > School of Geographical Sciences
> > University of Bristol
> > University Road
> > BS8 1SS
> >
> > +44 (0)117 3318352
> > jonny.williams at bristol.ac.uk
> > bit.ly/jonnywilliams
> > <data>_______________________________________________
> > MITgcm-support mailing list
> > MITgcm-support at mitgcm.org
> > http://mitgcm.org/mailman/listinfo/mitgcm-support
>
>
> _______________________________________________
> MITgcm-support mailing list
> MITgcm-support at mitgcm.org
> http://mitgcm.org/mailman/listinfo/mitgcm-support
>



-- 
Dr Jonny Williams
School of Geographical Sciences
University of Bristol
University Road
BS8 1SS

+44 (0)117 3318352
jonny.williams at bristol.ac.uk
bit.ly/jonnywilliams
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mitgcm.org/pipermail/mitgcm-support/attachments/20140512/c1955419/attachment.htm>


More information about the MITgcm-support mailing list