| 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
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Senior Member |
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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? [message #65130 is a reply to message #65129] |
Fri, 13 February 2009 10:40  |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Ed Hyer writes:
> What are the limitations I am operating under here? How do I evaluate
> the memory state of 64-bit IDL?
I would just assume lots and lots, but not enough. :-)
Cheers,
David
--
David Fanning, Ph.D.
Coyote's Guide to IDL Programming (www.dfanning.com)
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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