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  • Getting Started with HotSpot and OpenJDK

    by Ben Evans on  Aug 27, 2013 1

    In this article, we look at the HotSpot Java Virtual Machine, and its implementation in the OpenJDK, both from a VM perspective and also in terms of its interaction with the Java class libraries.

  • Virtual Panel: Performance Tuning Face-Off

    by Victor Grazi on  Jun 25, 2013

    In the world of application delivery, performance tuning still seems to elude the mainstream. InfoQ spoke to five luminaries of the performance monitoring space about why and what can be done. The result was quite an active debate. Members of the virtual panel: • Ben Evans • Charlie Hunt • Kirk Pepperdine • Martin Thompson • Monica Beckwith

  • Memory Barriers and JVM Concurrency

    by Dennis Byrne on  Mar 08, 2010 2

    Memory barriers, or fences, are a set of processor instructions used to apply ordering limitations on memory operations. This article explains the impact memory barriers have on the determinism of multi-threaded programs. We'll look at how memory barriers relate to JVM concurrency constructs such as volatile, synchronized and atomic conditionals.

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