Richard Warburton

Richard is a Principle Software Engineer at jClarity, interested in deep dive performance issues and compiler verification, Adopt-aJSR, Adopt OpenJDK and the LJC. He holds a PhD from the University of Warwick and lives in London.

Core Java
Richard WarburtonAugust 20th, 2015
0 159
Agrona’s Threadsafe Offheap Buffers
This blog post continues my ongoing series on the Agrona library by explaining how we offer easy access to offheap…
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Software Development
Richard WarburtonFebruary 27th, 2015
0 61
Readable code is code that looks like the problem statement
Background In a recent blog post I showed how you could use Java’s labels as a way to clarify the…
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Core Java
Richard WarburtonJanuary 23rd, 2015
0 6,754
Given When Then in Java
tl;dr you can use labels to clarify a given-when-then style of testing. What is given-when-then? given-when-then is a commonly used…
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Core Java
Richard WarburtonJuly 16th, 2014
0 64
Java Debuggers and Timeouts
How to use your debugger in the presence of timeouts in your code. My kingdom for a debugger! So you’ve…
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Core Java
Richard WarburtonMay 15th, 2014
1 74
Too Fast, Too Megamorphic: what influences method call performance in Java?
Whats this all about then? Let’s start with a short story. A few weeks back I proposed a change on…
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Core Java
Richard WarburtonMarch 6th, 2014
0 44
An open source JVM Sampling Profiler
It’s a well known deficiency of most existing sampling Java profilers that their collection of stack traces has to happen…
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Core Java
Richard WarburtonOctober 2nd, 2013
0 18
Javaone 2013 Review
tl;dr I attended Javaone again this year. It was fun. Sunday The conference kicked off on Sunday, with user group…
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DevOps
Richard WarburtonAugust 1st, 2013
0 67
Performance tests for slow networks with tc
tl;dr: you can easily replicate slow network conditions which makes it easier to performance test them. Smartphones have made both…
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Core Java
Richard WarburtonJuly 10th, 2013
1 47
Garbage Collection in Java (4)
G1: Garbage First The G1 collector is the latest collector to be implemented in the hotspot JVM. Its been a…
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Thank you!