Features like biased locking, lock coarsening, lock elision by escape analysis and adaptive spin locking are all designed to increase concurrency by allowing more effective sharing amongst application threads. But do they actually work? In this two part article, Jeroen Borgers explores these features and attempt to answer the performance question with the aid of a single threaded benchmark.
Simon Ritter explains the vision and capabilities of the Real-Time Java specification (RTSJ), if your Java app really, really must respond within a certain time regardless of what the garbage collector does, RTSJ is now a possibility rather than a probability.
Finding performance bottlenecks can be a difficult task and it can get more difficult as our applications grow in size. The Box is a methodology tool that focuses us efforts to improve performance.
Orion Letizi goes in-depth on OpenTerracotta, an open-source JVM-level clustering solution that can cluster single-jvm apps with no code changes. 10
Using both the JVM and the CLR inside the same operating system process is a relatively trivial matter, since any process is capable of loading just about any shared library. Ted Neward shows how. 2
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