[MITgcm-devel] SEAICE_OLD_AND_BAD_DISCRETIZATION

[Jean-Michel Campin]

Hi Martin,
It's fine with me.
Cheers,
Jean-Michel

On Wed, Nov 03, 2010 at 06:41:09AM -0700, Menemenlis, Dimitris (3248) wrote:
> No objection.
> I have not used old discretization for quite some time.
> Dimitris
> 
> On Nov 3, 2010, at 3:56 AM, Martin Losch wrote:
> 
> > Hi there,
> > 
> > a year has passed, it's time for yet another push towards removing SEAICE_OLD_AND_BAD_DISCRETIZATION from the seaice package. None of the verification experiments is using it anymore, it's wrong, and potentially unstable. I suggest to remove the code and add a check that stops the code, if someone is still using this code, and then see what happens.
> > 
> > I have run this code with cs32-grids with long intergrations (order 350 years), and others have done even longer runs (also with ice around the corners), without ever noticing anything funny in the results.
> > 
> > Any objections?
> > 
> > Martin
> > 
> > On Oct 26, 2009, at 8:53 AM, Martin Losch wrote:
> > 
> >> OK, fine with me, I have enough other things on my agenda. But it would be good not to have this code around for longer than necessary.
> >> 
> >> Martin
> >> 
> >> On Oct 23, 2009, at 6:19 PM, Jean-Michel Campin wrote:
> >> 
> >>> Hi Martin,
> >>> 
> >>> Can we wait until Thanksgiving ?
> >>> I have not yet done long integration with "new code"
> >>> for test exp. global_ocean.cs32x15.icedyn
> >>> (and would be like to test what happens when seaice
> >>> extend further than face 3 & 6 and reach the corners)
> >>> Thanks,
> >>> Jean-Michel
> >>> 
> >>> On Fri, Oct 23, 2009 at 09:17:01AM +0200, Martin Losch wrote:
> >>>> Hi seaice modellers,
> >>>> 
> >>>> while I am struggling to convince TAF,  that it should write
> >>>> vectorizable code, I stumbled over this old flag:
> >>>> SEAICE_OLD_AND_BAD_DISCRETIZATION
> >>>> Defining this CPP-flag turns on a discretization that is not yet that
> >>>> old (6months or so), but really bad. We kept this in the code to make
> >>>> sure that we can recover old results (in particular for CS510 and ECCO
> >>>> GODAE). I personally never want to use this code again, so I am much in
> >>>> favor of removing this code (because it sometimes means that I have to
> >>>> code "innovations" (in German: Verschlimmbesserungen) twice). Is there
> >>>> anyone you still needs this code? Can we retire this flag? (It means
> >>>> changing the seaice part of global_ocean.cs32x15)
> >>>> 
> >>>> Martin
> >>>> 
> >>>> _______________________________________________
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