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Re: How to speed up large FOR loops? [message #79810 is a reply to message #79809]

Tue, 10 April 2012 09:53

Fabzi
Messages: 305
Registered: July 2010

Senior Member

On 04/10/2012 06:26 PM, Saurav Dhital wrote:
> Yes. More specifically, I reform arrays and assign them to the new
> FITS structure. This happens a lot.

This is probably the problem. Doing out = [out, INDGEN(10)] is very
inefficient in memory.

If you have IDL 8+ I suppose you could use lists. If not (like me), you
may want to use the useful MGcoArrayList from Michael Galloy:

http://docs.idldev.com/idllib/collection/mgcoarraylist__defi ne.html

Cheers,

Fab

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[Message index]

		Re: How to speed up large FOR loops? By: Saurav Dhital on Tue, 10 April 2012 12:39
		Re: How to speed up large FOR loops? By: Craig Markwardt on Tue, 10 April 2012 11:21
		Re: How to speed up large FOR loops? By: Saurav Dhital on Tue, 10 April 2012 10:23
		Re: How to speed up large FOR loops? By: David Fanning on Tue, 10 April 2012 10:13
		Re: How to speed up large FOR loops? By: Fabzi on Tue, 10 April 2012 09:53
		Re: How to speed up large FOR loops? By: Saurav Dhital on Tue, 10 April 2012 09:26
		Re: How to speed up large FOR loops? By: Fabzi on Tue, 10 April 2012 09:17
		Re: How to speed up large FOR loops? By: Matt Francis on Thu, 12 April 2012 19:41
		Re: How to speed up large FOR loops? By: Saurav on Fri, 20 April 2012 09:48

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