[MITgcm-devel] Beaufort experiment on mac os x

[Torge Martin]

Hi Dimitris,

just updated MITgcm and beaufort. I also don't use the -ieee option with
genamke2 anymore.
With -O3 I get the segmentation fault, with -O2 it runs just fine.

Torge

On Wed, Mar 14, 2012 at 10:15 AM, Menemenlis, Dimitris (3248) <
Dimitris.Menemenlis at jpl.nasa.gov> wrote:

> Torge, maybe try "-O2".  It will be a bit faster.
>
> Martin, since "-O3" in darwin_amd64_gfortran is problematic,
> should we downgrade to "-O2" in the CVS repository,
> until compiler bug is fixed ... or until someone takes the time to
> locate particular subroutine that causes optimization crash?
>
> Cheers
>
> Dimitris Menemenlis
>
> On Mar 14, 2012, at 10:08 AM, Torge Martin wrote:
>
> Hi Dimitris, Martin,
>
> looks like Martin is right. I just found that using the -ieee option with
> genmake2 sets FOPTIM=-O0. This helps to get pass the Segmentation Fault.
>
> Now, I the Beaufort set up is running with this option on my MacPro, OS X
> 10.5.8 (Snow Leopard), 2 x 3 GHz Dual-Core, 4 GB Memory, using gcc version
> 4.0.1 (Apple Inc. build 5465) and
> MITgcm/tools/build_options/darwin_ia32_gfortran.
>
> Torge
>
> P.S. Haven't tried running with MPI using both processors, yet.
>
>
>
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