[Nek5000-users] how to choose lx1

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Mon Sep 24 17:30:10 CDT 2012


Hi Justin,

Thanks for your quick email.

I killed the simulation after half an hour later, because it was still 
on the same line.
I don't think my setup is that big. So I am not sure if I should wait 
more or not.

Best,
Mehmet


> >
> Hi Mehmet,
>
> How long is nek at the gs_setup line? It can take several minutes for large
> cases.
>
> The last error you're having is because you've run out of memory. Remember
> that the memory footprint on each processor scales as lx1^3 * lelt. With
> certain compilers you can add the following option in makenek:
>
> G="-mcmodel=medium"
>
> This allows you compile larger arrays, and generally use more memory.
>
> Best,
> Justin

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