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The JVM's mysterious AllocatePrefetch options: what do they actually do?
The HotSpot JVM comes with a range of non-standard -XX: options, many of which have an impact on performance. One set are the family of so-called AllocatePrefetch options comprising: -XX:AllocatePrefetchStyle, -XX:AllocatePrefetchStepSize, -XX:AllocatePrefetchLines, -XX:AllocatePrefetchInstr, -XX:AllocatePrefetchDistance and -XX:AllocateInstancePrefetchLines. In this blog post you’ll learn the background behind why AllocatePrefetch is necessary and how it can help performance.</block...
jvm  optimization  java 
7 weeks ago by jbaiter

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