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Explore the diverse landscape of native code compilation technologies in the Java ecosystem through this 55-minute conference talk. Delve into the strengths and weaknesses of Just-In-Time (JIT) and Ahead-Of-Time (AOT) compilers, examining their impact on Java application performance. Discover how JIT compilers profile and speculate on running programs, while AOT compilers generate code before execution. Learn about innovative approaches like cached JIT code, compilation services outside the JVM process, and programmatic native code building. Gain insights into maximizing performance across various Java and JVM-based language applications, understanding the trade-offs between different compilation strategies. Investigate topics such as class hierarchy speculation, profile-directed feedback, and the Open9 Shared Classes Cache, while considering real-world implications for Java developers.
