>
So my 64 bit G5s are not REALLY 64 bit? Or is it some other aspect
(s) of the system (Mac Dual G5 desktop) that limits me?
> the 1.8GB limit is not java per se, but is
> instead related to the 32-bit architecture of
> your machine (mac or pc). if you use a 64-bit
> chipset, (and the appropriate 64-bit java), you
> will be able to allocate much more ram. i run
> imagej on an amd opteron system (running linux)
> and i have no trouble assigning (and, getting
> imagej to use) 12 of the 16GB of ram on my
> machine.
>
> apologies if this message was already responded
> to, but i have a filter that only passes emails
> from .edu domain due to a bit of spam coming
> through our servers the past couple days.
>
> bryan
> W. Bryan Smith
> UCSD/NCMIR
> 9500 Gilman Drive # 0608
> La Jolla, CA, 92093-0608
On Mar 1, 2006, at 10:12 AM, Wayne Rasband wrote:
>
> On Mar 1, 2006, at 10:39 AM, Michael Herron wrote:
>
>> I am running ImageJ on a Mac. My memory limit is set to 1.8GB
>> which I understand is the upper limit to Java right now.
>>
>> What are the prospects for increasing that limit in the near future?
>
> Prospects are not good since Apple is switching from a 64-bit
> processor (the IBM G5) to a 32-bit processor (Intel Core Dual).
>
>> Does this same limit apply to Java on the PC platform?
>
> This limit may not apply to Sun's 64-bit version of Java for AMD 64
> processors but that version of Java is reported to be buggy. Sun
> also has a 64-bit Java for 64-bit versions of Linux.
>
> -wayne
>
>
Michael J. Herron, U of MN, Dept. of Entomology
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612-624-3688 (office) 612-625-5299 (FAX)