MemoryError Numarray
Robert Kern
rkern at ucsd.edu
Mon Sep 26 03:26:08 EDT 2005
Bernhard Reimar Hoefle wrote:
> I have the following python script:
> #######################################
> from numarray import *
>
> while 1:
> a=arange(1,300000000)
> b=a*100/100
> del a
> del b
> #######################################
>
> This script crashes after a few minutes with an error:
>
> MemoryError: Couldn't allocate requested memory
>
> How can I avoid python to use new memory space for each loop?
It's entirely possible that you're running out of memory *during* the
first loop. The a array takes up over 1Gb by itself. a*100 is a
temporary array that takes another 1Gb, and finally b takes up another
1Gb. So you have over 3Gb that's trying to exist at the same time.
--
Robert Kern
rkern at ucsd.edu
"In the fields of hell where the grass grows high
Are the graves of dreams allowed to die."
-- Richard Harter
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