Ahead of Time Computation in Java - Project Leyden and AOT Features

Explore OpenJDK's Project Leyden and its approach to improving Java application startup and warmup times in this 23-minute podcast episode from Inside Java. Host Nicolai Parlog interviews Dan Heidinga, JVM Runtime Architect at Oracle and member of projects Leyden and Valhalla, recorded during JavaOne 2025. Learn about ahead-of-time class loading and linking shipped in Java 24, Leyden's methodology for shifting computation from runtime to build time, features available in early access builds, and performance measurements. The discussion covers Leyden's goals, implementation approach, current capabilities in JDK 24, and potential future AOT features. The podcast includes chapters on Leyden's goals, approach, AOT class loading and linking in JDK 24, AOT features in Leyden EA, performance measurements, and AOT feature ideas.