Re: regrid issue

Hi Xin,

I'm looking at your script now. It takes about 1 minute to run on my Mac (wall clock time). Is this about what you're seeing?

I think I might be able to improve the speed by cleaning up some of the do loops.

--Mary

On Aug 14, 2013, at 1:18 PM, Xin Xi wrote:

> Hi Mary,
> I have attached the script. The data files uploaded to server.
> The interpolation is for 6 time slices, as a test, while I actually need to do it for much more (200+) files. Source grid is very fine (1km) and has a size of 20x30 degree; destination grid is 40km resolution on a curvilinear (WRF) grid.
> I wonder if there is a fast method for the interpolation.
> Thanks!
> Xin
>
>
>
> On Wed, Aug 14, 2013 at 2:47 PM, Mary Haley <haley@ucar.edu> wrote:
> Hi Xin,
>
> Without seeing your script, I'm not sure if the problem is with creating the weights, or applying the weights.
>
> Exactly how big are your original and destination grids? Are you only doing it for one lat/lon grid, or do you have another dimension, like level and/or time?
>
> Did you set the ESMF "PrintTimings" option to True, so you could see where it is spending its time?
>
> You can send me a script and I'll see if I can immediately tell what the problem is. Otherwise, I may ask for your data too, if you are able to provide that.
> See:
>
> http://www.ncl.ucar.edu/report_bug.shtml#HowToFTP
>
> --Mary
>
>
> On Aug 13, 2013, at 4:17 PM, Xin Xi wrote:
>
> > Hi,
> > I am regridding a 2d dataset of 1-km resolution and 20 degx30 deg size at sinusoidal projection (MODIS LAI product) to a WRF domain of 40-km resolution. I use ESMF conserved method, but it takes lots of memory and time. Any suggestions on making it more efficient in NCL?
> > Thanks,
> > Xin
> > _______________________________________________
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>
>
>
> --
> Xin Xi
> School of Earth and Atmospheric Sciences
> Georgia Institute of Technology
> 311 Ferst Drive, Atlanta, GA 30332-0340
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Received on Thu Aug 15 11:54:48 2013