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Re: Efficient sub array extraction [message #82421 is a reply to message #82420]

Tue, 11 December 2012 15:40

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Phillip M. Bitzer writes:

> In short, array subscripting can take up a lot of memory. Take a peek at:
>
> http://www.idlcoyote.com/misc_tips/submemory.html
>
> There's some helpful information by none other than JD Smith.

Subscripting *can* take a lot of memory, but unless
there is a specific reason you are worried about
this, I wouldn't bother changing a thing. Reading
your large array into memory is what is killing you,
not the subscripting. :-)

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")

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[Message index]

		Re: Efficient sub array extraction By: Heinz Stege on Wed, 12 December 2012 08:01
		Re: Efficient sub array extraction By: markjamie on Tue, 11 December 2012 16:00
		Re: Efficient sub array extraction By: Heinz Stege on Tue, 11 December 2012 15:41
		Re: Efficient sub array extraction By: David Fanning on Tue, 11 December 2012 15:40
		Re: Efficient sub array extraction By: Phillip M. Bitzer on Tue, 11 December 2012 14:34

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