[MITgcm-devel] main_do_loop and DIVA

[Patrick Heimbach]

Hi Matt (and Jean),

I've made another change to the_main_loop and main_do_loop.
In part, I've reverted the time-stepping which was mainly meant to enable revolve loop for OpenAD.
What's done now is that we keep the time-stepping loop in the_main_loop when using TAF
and have it in main_do_loop when using OpenAD (changes are actually rather minor, 
and perhaps even a bit less convoluted).

@ Matt: please take a look whether the fix allows you to build your config with latest

@ Jean: I tested the change with OpenAD on one of the verifications, seems to work fine, but might be worth double-checking

@ All: we should keep a verification experiment that tests DIVA.
Right now I've tested two: lab_sea (which was the closest to old natl_box_adjoint)
and global_ocean.cs32x15 (which is closest to new ECCO v4).
We'll need to make a decision of which config to use, and either modify an existing verif
or add a new one (since other compile/build options are needed).

Cheers
-Patrick

On May 17, 2013, at 12:35 PM, Matthew Mazloff <mmazloff at ucsd.edu> wrote:

> OK -- one hint is that it is opening level 4 tape files in the_main_loop -- so that is a problem if we want to start the divided loop in main_do_loop
> 
> the ordering is definitely off...
> 
> I will get back to this later -- have to run now -- but it looks like we may have to move some tape calls…
> 
> if you have any suggestions I would greatly appreciate it!
> 
> Matt
> 
> 
> 
> On May 17, 2013, at 9:07 AM, Matthew Mazloff <mmazloff at ucsd.edu> wrote:
> 
>> Hi Patrick
>> 
>> For some reason TAF is ignoring the 
>> 
>> CADJ loop = divided
>> 
>> statement in main_do_loop.F
>> 
>> Has anyone else seen this issue - does it have to do with my staf options. (It was working fine before in the_main_loop.F.)
>> 
>> Or is it just a TAF bug and I need to email them
>> 
>> Thanks for your help
>> Matt
>> 
>> 
>> 
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> 
> 
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---
Patrick Heimbach | heimbach at mit.edu | http://www.mit.edu/~heimbach
MIT | EAPS 54-1420 | 77 Massachusetts Ave | Cambridge MA 02139 USA
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