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Re: Swap memory utilization by IDL [message #47172 is a reply to message #47166]

Thu, 26 January 2006 12:35

Foldy Lajos
Messages: 268
Registered: October 2001

Senior Member

Hi,

The maximum address space is 2GB for a process (3GB with some kernel
tweaking) in a 32 bit system. >2GB physical memory and huge swap space
is useful only if you have several processes running simultaneously.

You can try running 64 bit versions of linux and IDL, they have much
larger limits :-)

regards,
lajos

On Thu, 26 Jan 2006, Sid wrote:

> Hi:
>
> I'm a newbie, and I'm trying to make simulations of the CMB (Cosmic
> Microwave Background) sky (I work in Cosmology).
>
> I have IDL 6.2 running on Mandriva Linux 10.1, kernel
> 2.6.8.1-26mdk-up-64-GB, on a Dell machine with 4 GB of RAM and 20 GB of
> swap space. Is there ANY way to make IDL use the swap space? Currently,
> the matrices I am trying to define exceed 4GB, and IDL always returns
> the error "Array has too many elements". Is there a way around it
> WITHOUT having to recompile the kernel? If I have to recompile the
> kernel, what exactly needs to be done?
>
> Any help will be greatly appreciated!
>
> Siddharth
> malu [dot] spam [at] GmAiL [dot] CoM
>
>

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		Re: Swap memory utilization by IDL By: Nigel Wade on Fri, 27 January 2006 02:01
		Re: Swap memory utilization by IDL By: Foldy Lajos on Thu, 26 January 2006 12:35

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