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From Steven A Rowe <sar...@syr.edu>
Subject RE: Re: Scale up design
Date Wed, 22 Dec 2010 16:36:15 GMT
On 12/22/2010 at 2:38 AM, Ganesh wrote:
> Any other tips targeting 64 bit?

If memory usage is an issue, you might consider using HotSpot's "compressed oops" option:

<http://wikis.sun.com/display/HotSpotInternals/CompressedOops>
<http://blog.juma.me.uk/2008/10/14/32-bit-or-64-bit-jvm-how-about-a-hybrid/>

Benson Margulies has written that the memory savings from using "compressed oops" isn't necessarily
free - it can impact performance:

<http://lists.apple.com/archives/java-dev/2010/Apr/msg00157.html>

Steve

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