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Re: What are the memory limitations of 64-bit IDL? [message #65129]

Fri, 13 February 2009 10:50

Foldy Lajos
Messages: 268
Registered: October 2001

Senior Member

On Fri, 13 Feb 2009, Ed Hyer wrote:

> So, I just got the operating system on my 4-year-old 64-bit machine
> upgraded to 64-bit Fedora, and am basking in the joys of 64-bit IDL.
> However, I have found:
>
> 1) It is still possible to get the dreaded "cannot allocate memory"
> error;

Yes, the limit is virtual memory size (ulimit -v). You can add more swap
space.

> 2) MEMTEST.PRO, my trusted advisor for years, produces nonsense
> results in 64-bit IDL.

There is a bug in memtest.pro, it uses LONG instead of LONG64.
(I don't have the source code, but it is easy to fix it.)

regards,
lajos

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		Re: What are the memory limitations of 64-bit IDL? By: Foldy Lajos on Fri, 13 February 2009 10:50
		Re: What are the memory limitations of 64-bit IDL? By: David Fanning on Fri, 13 February 2009 10:40

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