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Re: Clear everything in IDL? [message #9948 is a reply to message #9946]

Tue, 23 September 1997 00:00

gurman
Messages: 82
Registered: August 1992

Member

In article <34272161.238A9AC2@pitt.edu>, sheats@lanl.gov wrote:

> Clemens v. Mann wrote:
>>
>> Hi
>>
>> the memory will be freed when you assign a new value.
>> This makes only sense when the new value is very smaller.
>>
>> Example :
>> hugeArr = bindgen( 1000,1000)
>>
>> hugeArr = 0
>>
>> cvm
>
>
> I've tried this.. unfortunately ( In windows NT anyway.. I haven't
> tried else where ) It does not seem to actually release the memory as
> such.
>
> Internal to IDL, it may mark that region of memory as freed, but
> Windows never receives that memory back until IDL is closed. It would
> also appear that any additional memory allocated doesn't utilize this
> memory which idl has already allocated, but instead pulls more off of
> NT's heap.
>
> It creates a pretty big problem for some programs I'm working on.
>
> Maybe I'm doing something wrong.

Matthew -

Have you tried

IDL> help, /mem
IDL> tempArr = temporary(hugeArr)
IDL> help, /mem

?

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[Message index]

		Re: Clear everything in IDL? By: Peter Mason on Wed, 24 September 1997 00:00
		Re: Clear everything in IDL? By: Alex Schuster on Tue, 23 September 1997 00:00
		Re: Clear everything in IDL? By: gurman on Tue, 23 September 1997 00:00
		Re: Clear everything in IDL? By: Matthew J. Sheats on Mon, 22 September 1997 00:00
		Re: Clear everything in IDL? By: Peter Mason on Fri, 26 September 1997 00:00
		Re: Clear everything in IDL? By: Matthew J. Sheats on Wed, 24 September 1997 00:00

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