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Profiling java.util.concurrent locks

Posted by Yao Qi, Raja Das, and Zhi Da Luo on  May 27, 2010

IBM’s Yao Qi, Raja Das, and Zhi Da Luo describe jucprofiler, an alphaWorks tool designed to profile multicore applications that make use of the java.util.concurrent classes introduced in Java 5. 2

Memory Barriers and JVM Concurrency

Posted by Dennis Byrne on  Mar 08, 2010

This article explains the impact memory barriers, or fences, have on the determinism of multi-threaded programs. 2

Service Dynamics: the lazy man's way

Posted by Todor Boev on  Jul 29, 2009

This article presents one developer's approach to dealing with the "fiendishly hard" OSGi issue of service dynamics. The basic problem is described and two different solutions are proposed. 2

Concurrency and Immutability

Posted by Dhanji Prasanna on  Jun 26, 2009

This article explores the issue of immutability as a function of concurrency demands in modern software applications. The discussion occurs in the general context of dependency injection. 15

Using the Concurrency and Coordination Runtime

Posted by Nick Gunn on  Jan 28, 2009

Nick Gunn provides a practical introduction CCR for .NET. CCR radically changes the way multi-threaded applications are written in .NET, shifting the focus from threads to asynchronous tasks. 5

Using Ruby Fibers for Async I/O: NeverBlock and Revactor

Posted by Werner Schuster on  Aug 28, 2008

Ruby 1.9's Fibers and non-blocking I/O are getting more attention - we talked to Mohammad A. Ali of the NeverBlock project and Tony Arcieri of the Revactor project. 1

Introducing Multithreaded Programming to JavaScript

Posted by Daisuke Maki , translated by Daisuke Maki   on  Jul 10, 2008

While increasingly more websites are utilizing AJAX, it is still difficult to develop complicated AJAX applications. This article explores how multithreading eases some of these issues. 10

Do Java 6 threading optimizations actually work? - Part II

Posted by Jeroen Borgers on  Jun 27, 2008

Jeroen Borgers examines if biased locking, lock coarsening, lock elision by escape analysis and adaptive spin locking techniques in the latest JVMs actually work in highly-concurrent apps. 3

Do Java 6 threading optimizations actually work?

Posted by Jeroen Borgers on  Jun 18, 2008

Jeroen Borgers examines if biased locking, lock coarsening, lock elision by escape analysis and adaptive spin locking techniques in the latest JVMs actually work in highly-concurrent apps. 16

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