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Re: IDL8 memory allocation [message #72486]

Tue, 07 September 2010 11:00

TFE
Messages: 11
Registered: November 2001

Junior Member

Scott,
operations on the IDL8 array still fragile compared to IDL7.1
IDL> data = LONARR(10000, 10000)
IDL> help, data
DATA LONG = Array[10000, 10000]
IDL> help, data[2:*,*]
% Unable to allocate memory: to make array.
Not enough space
% Execution halted at: $MAIN$

> Assuming you are on a 32-bit platform, the issue here is there is too
> much RAM allocated to the JVM to run the workbench and not enough for
> IDL. To increase the memory available to IDL, navigate to the
> idlde.ini file in the bin/bin.<arch> folder (a peer to the idlde
> executable). That file should look like this:
>
> -vm
> {VM_DIR}
> -vmargs
> -Xms256M
> -Xmx768M
> -XX:MaxPermSize=128m
>
> Change it to look like this and restart the workbench:
>
> -vm
> {VM_DIR}
> -vmargs
> -Xms128M
> -Xmx128M
>
> where {VM_DIR} is the path to the JVM (should not change). This issue
> is fixed in 8.0.1.
>
> Cheers,
> Scott

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[Message index]

		Re: IDL8 memory allocation By: TFE on Tue, 07 September 2010 11:00
		Re: IDL8 memory allocation By: TFE on Tue, 07 September 2010 10:09
		Re: IDL8 memory allocation By: Scott[1] on Tue, 07 September 2010 09:57

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