Published Paper Details:

This paper provides a comprehensive examination of tiered compilation in Java, a sophisticated feature within the Java Virtual Machine (JVM) designed to enhance the performance of Java applications. By employing a multilevel compilation approach, Java's tiered compilation uniquely combines rapid application startup with optimized long-term execution efficiency. The paper delves into the architecture of tiered compilation, illustrating how Java applications initially execute using a basic interpreter or a lower-tier JIT compiler, which ensures quick startup times. As the application runs, the JVM identifies frequently executed code segments ("hot" spots) and progressively recompiles them using more advanced, optimizing compilers at higher tiers. This adaptive strategy not only boosts the execution speed but also optimizes resource utilization, offering a balanced and dynamic compilation process that caters to varying application demands. Through this deep dive, we aim to elucidate the inner workings, advantages, and practical implications of tiered compilation, providing valuable insights for developers, architects, and performance engineers involved in Java application development.