Re: Memory constraints?

Hi Gerry,
I do not believe NCL has a memory limit. I've recently run a NCL script
that took 75GB of memory at its' peak. This sounds like a machine
running out of memory, although your 3 arrays combined take just short
of 6GB which isn't that much. You can run "top" in another window on
that machine to see what memory your job is taking (and what memory is
available on that machine at that time).
Hope that helps.
Adam

On 6/4/13 4:26 PM, Gerry Creager - NOAA Affiliate wrote:
> We're playing with a script that has the following snippet of code:
>
> dimx = 449
> dimy = 399
> ens_size = 50
> over_id = new((/10/),"graphic")
>
> x_start = 1
> x_end = dimx-1
> y_start = 1
> y_end = dimy-1
>
> height = 1000.
> dimz = 50
>
> Uwind_a = new((/dimz,dimy,dimx,ens_size/),"float")
> Vwind_a = new((/dimz,dimy,dimx,ens_size/),"float")
> dbz_a = new((/dimz,dimy,dimx,ens_size/),"float")
>
> We're seeing an NclMalloc error after the last 'new'. Is there a limit
> in NCL I need to look at or do you think this is simple memory
> exhaustion on the machine?
>
> Thanks, Gerry
> --
> Gerry Creager
> NSSL/CIMMS
> 405.325.6371
> ++++++++++++++++++++++
> "Big whorls have little whorls,
> That feed on their velocity;
> And little whorls have lesser whorls,
> And so on to viscosity."
> Lewis Fry Richardson (1881-1953)
>
>
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Received on Tue Jun 4 17:03:04 2013