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Performance

I spend half my time trying to identify what performance systems are doing by reproducing their behaviour in a performance testbed. It isn't always successful - I'd like to get profile information directly from the production systems, but even low overhead profilers can't get certain types of information in a low enough overhead way (I've tried, believe me I've tried). One piece of info that is...
on May 25, 2005
In January's Java Performance Tuning newsletter there are several interesting news items. Of course we had the usual range of tool vendor and benchmark announcements; what I consider to be "background news", because they are usually there each month. (Naturally we only list the performance announcements, and even there only the interesting ones.) Apart from those announcements, there was the 9...
on Feb 4, 2004
The December issue of the Java Performance Newsletter was published, contents are: We list all the latest Java performance related news and articles "we've only been building up steam on the Java steamroller. The real ride is only just starting. Whoopee, it's full steam ahead!" The roundup of performance discussions over the last month. Kirk covers when to use PL/SQL, a "semi-deployed"...
on Dec 31, 2003
The November issue of the Java Performance Newsletter was published, contents are: We list all the latest Java performance related news and articles "Free profiler number 19 and number 20 are listed in the tools this month" The roundup of performance discussions over the last month "For a posting to collect so many responses that are all tightly focused on the original question, you know...
on Nov 28, 2003
The September issue of the Java Performance Newsletter was published. Here is the content list. Timers and audio performance How do you synchronize audio and video frames? What is Java's current capability for recording audio samples? Why is clock skew important to audio recording? In this article Scot Mcphee describes what you need to know about timers for recording audio samples from Java. All...
on Oct 1, 2003
The August issue of the Java Performance Newsletter was published, here is the content list All the latest Java performance related news and articles Kirk Pepperdine's roundup of performance discussions over the last month. This month Kirk covers micro-benchmarks, adaptive JVM advantages, McCabe Complexity, the shelf-life of tips, obfuscation, and more. Javva The Hutt rambles through...
on Aug 27, 2003
Do you know how to use a hammer? A screwdriver? A saw? Almost certainly you do. Does that mean you can build a house? Well maybe, but unless you have previous experience at building houses, I don't think I'd want to live in the one you built. Knowing how to use the tools is not the same skill as being able to build a house. So why is it that so many people seem to think that knowing how to use...
on Aug 7, 2003
The JavaPerformanceTuning.com July newsletter was published. And naturally I wouldn't leave you ignorant of that highly important fact. We list all the latest Java performance related news and articles The roundup of performance discussions over the last month. Kirk covers tokenizing, result set processing, data structures, a fascinating discussion on OutputStream.write blocking, and more....
on Jul 30, 2003