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Java 9 performance optimizations

Java 9 performance optimizations

In a previous article on Java 9, I listed all the main new features for the developers : https://www.loicmathieu.fr/wordpress/en/informatique/les-nouveautes-de-java-9-pour-les-developeurs. Here, I will list all the main performance optimizations of Java 9. I will again go through the main JEP : JEP 143: Improve Contended Locking Optimization of Java monitors (lock optimization) when contended (when multiple threads access the same monitor). These are changes inside the JVM that allow siginficant (x2) performance boost on some JVM operations on lock primitives on…

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