[MITgcm-devel] adjoint file size changed dramatically (for the better)
Jean-Michel Campin
jmc at ocean.mit.edu
Wed Apr 14 15:46:43 EDT 2010
Hi,
Only Patrick will know whether it's a seasonal cycle
or a linear trend.
Jean-Michel
On Wed, Apr 14, 2010 at 09:12:00PM +0200, Martin Losch wrote:
> Hi there,
>
> Olaf and I are running the adjoint MITgcm with seaice, obcs, kpp, and gmredi. This week Olaf did an update of the code that was as "old" as early December. Suddenly the executable requires much less core memory: The same domain size, and even slightly larger nchklev_1 (21 instead of 14), suddenly requires only 6GB instead of 28GB of RAM. Not that I want to complain about that, but I suspect that we made some other mistake somewhere, as most of the changes since December 2009 I found involved additional store directives, so I expected a larger memory footprint with the update. Before we start digging into our configuration, is there any plausible reason for our observation?
>
> Martin
>
>
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