Roland Westrelin

Optimizations in the HotSpot virtual machine that used to work only for int variables now work also for long.

Dive into how the HotSpot JVM improves your Java application's performance by eliminating range checks and cleverly optimizing loops.

Discover how runtime profiling in OpenJDK's HotSpot JVM improves speculation and contributes to optimization in this Red Hat guide with illustrated benefits.

Learn how HotSpot's multi-tiered execution system uses the interpreter, quick compiler, and optimizing compiler to help enhance Java's performance in OpenJDK.