[alecthomas]

As the sibling comment mentions, if you're running Intel JDK on M1 it will be slow. You can find M1 native JDK builds here: https://www.azul.com/downloads/?version=java-11-lts&os=macos...

[hugi]

Just for fun, Oracle has also started providing natively compiled EA builds of JDK 17: https://jdk.java.net/17/