Re: vinth2p memory leak?

Hi Rodrigo,

Can you provide a script (and data) so we can try running it here?

Also, Ivan, with contour_map, how many times is "repeatedly" before
it crashes?

--Mary

On Apr 8, 2009, at 7:55 AM, Rodrigo Caballero wrote:

> In fact, on further investigation I find that I DO get the problem
> on the Linux x84_64 system -- it just takes longer to crash because
> it has more memory.
> Thanks,
> Rodrigo
>
> ----
> Rodrigo Caballero | http://maths.ucd.ie/~rca
> Meteorology and Climate Center
> School of Mathematical Sciences
> University College Dublin
> Belfield, Dublin 4, Ireland.
> Telephone: +353 1 716 5312
>
>
> On 8 Apr 2009, at 14:51, Ivan Lima wrote:
>
>>
>> I have the same exact problem when using Ngl.contour_map
>> repeatedly.
>> I use PyNGL/PyNIO 1.3.0b2 on Debian testing.
>>
>> Thanks,
>>
>> Ivan Lima
>> Woods Hole Oceanographic Institution, MC&G MS #25
>> 360 Woods Hole Road, Woods Hole, MA 02543-1543 USA
>>
>>
>> Rodrigo Caballero wrote:
>>> Hello,
>>> I'm having memory problems when calling vinth2p repeatedly, see
>>> code snippet below. After some iterations (about 80 in my case),
>>> memory fills up and the code eventually crashes.
>>> I'm using PyNGL/PyNIO 1.3.0b1 on Mac OSX 10.4, both Intel and PPC
>>> machines give the same problem. However, the problem does NOT
>>> arise when I run on Linux x86_64. Thanks,
>>> Rodrigo
>>> =============================
>>> from numpy import *
>>> import os,glob
>>> import Ngl
>>> import Nio
>>> File = Nio.open_file('cam_data.nc','r')
>>> time = File.variables['time'][:]
>>> hyam = File.variables['hyam'][:]
>>> hybm = File.variables['hybm'][:]
>>> p0mb = File.variables['P0'].get_value()/100.
>>> pmin = 50.
>>> pmax = 1050.
>>> dp = 10.
>>> p = arange(pmin/dp,pmax/dp+1)*dp
>>> for l in range(len(time)):
>>> x = File.variables['U'][l,:,:,:]
>>> ps = File.variables['PS'][l,:,:]
>>> xi = Ngl.vinth2p(x,hyam,hybm,p,ps,2,p0mb,1,False)
>>> ================================
>>> ----
>>> Rodrigo Caballero | http://maths.ucd.ie/~rca
>>> Meteorology and Climate Center
>>> School of Mathematical Sciences
>>> University College Dublin
>>> Belfield, Dublin 4, Ireland.
>>> Telephone: +353 1 716 5312
>>> --------------------------------------------------------------------
>>> ----
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>>> pyngl-talk mailing list
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>>
>
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Received on Wed Apr 08 2009 - 08:24:24 MDT