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From: Charles Oliver Nutter <charles.nut...@sun.com>
Date: Wed, 02 Apr 2008 16:51:30 +0100
Local: Wed, Apr 2 2008 11:51 am
Subject: Re: [jvm-l] Re: Performance characteristics of mutable static primitives?
Jochen Theodorou wrote: You did notice the code splits the number of iterations by the number of > I think there is not enough data to see a trend. I modified your test, > made it run from 1-20 threads and for 50 loops, making an average time > containing the time it took to execute all threads and put these in a > diagram. I used a Q6600 Quadcore intel CPU with java 1.6.0_03-b05 on > Linux 2.6.22-14-generic #1 SMP x86_64 GNU/Linux. What I can see is that > the time constantly goes up until 4 Threads are reached, my number of > CPUs. Using 5 threads is takes less time than using 4, but after that > the time looks more or less constant. > This looks quite scalable to me. threads, right? At the very least, the amount of time taken to run all threads should go down. Run the same test in Java 5 and you'll see that Java 6 does not scale - Charlie You must Sign in before you can post messages.
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