[OT] Re: Java on Multi/Dual Core

[Andrew Miehs <an...@2sheds.de>]

On 23/05/2007, at 11:08 AM, Kurt Spescha wrote:
> I apologize for this question, maybe the wrong place to put it to.  
> But someone who is using Tomcat soon or later will be confronted  
> with the performance problem with java and multi/dual core  
> machines. Multi/dual core is trendy, customers want to have it. But  
> Java runs slower on these machine, what will make them angry.

If you have a single threaded application, some of the old single  
core machines may be quicker than a new multi-core machine.

You must have a pretty strange version of tomcat to run 'single'  
threaded...

Compiling is a different matter, as it seems Sun's JVM (1.4, 1.5)  
only uses one core - JRocket is quicker there...

Andrew




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