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Using Wordle as a Profiler

Monday, 9 January 2012 1:31 P GMT+01

I mentioned the idea to use Wordle as an execution profiler while presenting the profiling section of my performance tuning course in Paris last December. The idea was seeded by presentation that Neal Ford did a few years ago in which he used Wordle

tags: profiler jvm java wordle thread dump agent stacktrace

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Building a VisualVM plugin

Monday, 19 December 2011 1:11 P GMT+01

My article on how to build a plugin for VisualVM was published today in DZone's NetBeans Zone. The code has been used to seed an open source project on java.net.

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Virtualization is still a performance drag

Monday, 12 December 2011 9:24 P GMT+01

Just wrapped up my last performance tuning course for this year and for the second time running, some members of my Parisian group had the opportunity to run the exercises on virtualized hardware. Granted, the underlying hardware wasn't quite top

tags: java performance tuning virtualization benchmarking

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Defect Driven Design Makes a Comeback

Tuesday, 29 November 2011 2:00 P GMT+01

In 1996, a group that I was working with devised a development process which we called Defect Driven Design, otherwise known as D3. We were a bit disappointed by not surprised that D3 never really caught on but just recently I saw a glimmer of hope f

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Tool to test Java regular expression

Thursday, 27 October 2011 5:28 P GMT+01

Over the last few weeks I've been working Java regular expressions into a couple of applications. After a couple of rounds with trying to sort out regular expression syntax I hacked together this handy little GUI. If anyone makes any improvements

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