Re: Memory leak with array overwriting

From: Dennis Shea <shea_at_nyahnyahspammersnyahnyah>
Date: Thu, 30 Jul 2009 07:50:42 -0600


Can you please provide us with a small sample script
that illustrates the problem? Also, a sample data file?

Please ftp to

Use your email address for the password
cd incoming
put your_ncl_script
put your_data_file(s)


Send us an email with the following information:

* The names of the files after you have successfully completed the
transfer. We cannot look at the ftp/incoming directory for security


Tompkins Adrian wrote:
> hello all,
> I am running NCL 5.0.0
> I have a 2D array, cprmask(x,z), and want to rotate the contents of each
> x-slice to the right by "nshift" places with cyclic boundary conditions.
> As nshift itself is a function of height, I resorted to a Do-Loop as
> follows:
> do i=0,nhgtr-1
> nshift = round(hgtr(i)*tan_sza_dx,3)
> index = mod(ispan(0,npts-1,1)+nshift,npts)
> shiftmask(:,i) = cprmask(index,i)
> delete(index)
> end do
> This works, BUT I suffer from a nasty memory leak problem that is not
> allowing be to run the program for large amounts of data, despite the
> fact that I also have a "delete(shiftmask)" statement later in the
> "mother" do loop.
> does anyone have any ideas how to prevent the memory leak?
> thanks,
> Adrian
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Received on Thu Jul 30 2009 - 07:50:42 MDT

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