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Re: Releasing temporary variables created with IDL_MakeTempArray() [message #90722 is a reply to message #90720]

Fri, 03 April 2015 14:08

Jim Pendleton
Messages: 165
Registered: November 2011

Senior Member

One other thing to look for... IDL_MakeTempArray() obviously uses some internal bookkeeping above and beyond the underlying malloc() calls to flag data for subsequent heap-freeing operations.

Data allocated this way shows up in HELP, /MEM and the MEMORY() function at the IDL level. You can watch the high water mark rise and fall over time if these data are being freed correctly.

Data allocated outside the context of IDL or with lower level routines such as malloc() will not be accounted for in HELP, /MEM for example.

Depending on your OS, you might use top, Task Manager or Process Explorer to watch the memory use for the entire IDL process. If you find that your process memory grows but HELP, /MEM doesn't show an increase in the high water mark, then the culprit is likely elsewhere in the DLM.

Jim P.
"I work for Exelis, too"

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[Message index]

		Releasing temporary variables created with IDL_MakeTempArray() By: dg86 on Wed, 01 April 2015 04:36
		Re: Releasing temporary variables created with IDL_MakeTempArray() By: dg86 on Wed, 01 April 2015 17:38
		Re: Releasing temporary variables created with IDL_MakeTempArray() By: chris_torrence@NOSPAM on Wed, 01 April 2015 18:46
		Re: Releasing temporary variables created with IDL_MakeTempArray() By: chris_torrence@NOSPAM on Fri, 03 April 2015 08:44
		Re: Releasing temporary variables created with IDL_MakeTempArray() By: Jim Pendleton on Fri, 03 April 2015 14:08
		Re: Releasing temporary variables created with IDL_MakeTempArray() By: dg86 on Mon, 06 April 2015 07:52
		Re: Releasing temporary variables created with IDL_MakeTempArray() By: dg86 on Thu, 16 April 2015 09:02
		Re: Releasing temporary variables created with IDL_MakeTempArray() By: Matthew Argall on Fri, 24 April 2015 10:06

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