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Re: IDL memory question [message #12734 is a reply to message #12732]

Mon, 07 September 1998 00:00

Alex Schuster
Messages: 124
Registered: February 1997

Senior Member

Eugenio Sansosti wrote:

> Suppose I define a very big array, for instance a=fltarr(8000,8000).
> When I finish using it, I can make memory free by assigning to it a
> scalar value (for example a=0.), as also suggested in the IDL
> documentation.

Oh, you call this very huge? :-)

> Even if this operation make the required memory free for my IDL
> application, it does not make memory free for other applicstions running
> onmy machine. That is, other machine users cannot use the memory I have
> allocated untill I exit IDL.
>
> Does any of you have a solution for that? Is it an IDL configuration
> problem or is there any IDL command I can use?

Sorry, there is no way. It seems this is a general problem for any C
progam which uses malloc() and free() to access heap memory.
The FAQ has an entry about this:
http://la.znet.com/~mgs/idl_faq.html#T27

Alex
--
Alex Schuster Wonko@weird.cologne.de PGP Key available
alex@pet.mpin-koeln.mpg.de

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[Message index]

		Re: IDL memory question By: David Kastrup on Mon, 07 September 1998 00:00
		Re: IDL memory question By: David Kastrup on Mon, 07 September 1998 00:00
		Re: IDL memory question By: Alex Schuster on Mon, 07 September 1998 00:00

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