Re: [gembud] FW: Segmentation fault using gdedit

  • To: "Arthur A. Person" <person@xxxxxxxxxxxxx>
  • Subject: Re: [gembud] FW: Segmentation fault using gdedit
  • From: "Melick, Christopher J (UMC-Student)" <cjmzr5@xxxxxxxxxx>
  • Date: Tue, 18 Mar 2008 11:13:20 -0500

Is the rebuild a special process?  Is there something different I need to do in 
order to incorporate these changes?

Thank you Art and all for your help.


From: Arthur A. Person [mailto:person@xxxxxxxxxxxxx]
Sent: Tue 3/18/2008 10:36 AM
To: Melick, Christopher J (UMC-Student)
Cc: gembud@xxxxxxxxxxxxxxxx
Subject: Re: [gembud] FW: Segmentation fault using gdedit


On Tue, 18 Mar 2008, Melick, Christopher J (UMC-Student) wrote:

Dear gembud users,

I don't want to take up all of Patrick's time.  This is really for
anyone that might be able to help.  I still have this feeling it might
be the LLMXTG parameter, currently set at 9 million in GEMPAK 5.11.1.
My grid size is over 17 million grid points.  Could someone take a look
at my attached data file?

Yep, that's big.  I tried a gdcfil with those dimensions on our system
(which I've already increased the size on) and it says:

   "WARNING: This grid is too large for GEMPAK programs."

I assume that means you'll need to rebuild gempak with larger parameter
values as you suspect. When I do mine, I change the following parameters
whereever they occur in gemprm.h, MCHPRM.Linux and GEMPRM.PRM:

LLMDGG=3D80000000  -> 4 X LLMXGD

I set the above values to 20,000,000 thinking that will allow your
19,000,000 grid size... you might want to make it even a little bigger.
I'm not an expert at this... so if anyone sees a problem with the above,
please chime in!

Hope that helps...


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