OpenJDK: Project Leyden
Project Leyden aims to enhance the startup time, peak performance, and footprint of Java programs. Sponsored by the HotSpot and Core Libraries Groups, the project is currently in progress with various Ahead-of-Time (AOT) features planned for future JDK releases. Development is ongoing in the OpenJDK GitHub repository, where early-access builds are also available for testing and feedback.
- ▪The primary goal of Project Leyden is to improve Java program performance.
- ▪It is sponsored by the HotSpot and Core Libraries Groups.
- ▪Development takes place in the OpenJDK GitHub repository.
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Project Leyden The primary goal of this Project is to improve the startup time, time to peak performance, and footprint of Java programs.This Project is sponsored by the HotSpot and Core Libraries Groups. JEP status In progress: TBD: Ahead-of-Time Code Compilation Delivered: 483: Ahead-of-Time Class Loading & Linking (JDK 24) 514: Ahead-of-Time Command-Line Ergonomics (JDK 25) 515: Ahead-of-Time Method Profiling (JDK 25) 516: Ahead-of-Time Object Caching with Any GC (JDK 26) Development Development takes place in our OpenJDK GitHub repository, openjdk/leyden. Most of our current work is in the premain branch. From that branch we occasionally publish early-access builds at jdk.java.net/leyden, along with release notes.
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