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Re: memory limit of JVM

Posted by Michael Weber-4 on Jul 18, 2007; 3:51pm
URL: http://imagej.273.s1.nabble.com/creating-a-fixed-line-segment-and-movable-image-tp3698825p3698830.html

Dear all,

the "AggressiveHeap" command (as mentioned in the Wiki) works fine for
me. I used around 7 GB in ImageJ on a 8 GB machine (Windows and Java
64bit) for making movies out of tif-files.

cheers,
Michael


Curtis Rueden schrieb:

> Thanks Aryeh, I have added that link to the ImageJ wiki's "How do I
> increase the memory in ImageJ" FAQ entry.
>
> -Curtis
>
> On 7/17/07, Aryeh Weiss <[hidden email]> wrote:
>> Nicola Gisbert wrote:
>> > Hello Aryeh,
>> >
>> > we had the same problem under Win2000. In spite of the 4 GB RAM only
>> 1400
>> > MB could be used in ImageJ. One reason for this situation is the advers
>> > location of the OS libraries of the 32-bit Windows OS. Using Linux (in
>> > particular Fedora Core 5) now 2700 MB can be used in one ImageJ-Task.
>> >
>>
>> Thank you for the reply. With a very helpful hint from Wayne, I am now
>> able
>> to allocate at least 2700MB (I actually allocate 2300MB). This is done
>> by using
>> the JRockit 6 JVM, and adding a /3GB flag in the windows Boot.ini
>> file. This is
>> a link that told me how to do it
>>
>> http://dev2dev.bea.com/blog/hstahl/archive/2005/12/how_to_get_almo.html
>>
>> So far ImageJ works with the JRockit JVM but I have not done anything
>> really
>> extensive with it.
>>
>> --aryeh
>> --
>> Aryeh Weiss
>> School of Engineering
>> Bar Ilan University
>> Ramat Gan 52900 Israel
>>
>> Ph:  972-3-5317638
>> FAX: 972-3-7384050
>