[gleenn]

Also, for Java, Virtual Threads are a very new feature (Java 21 IIRC or somewhere around there). OS threads have been around for decades. As a heavy JVM user it would have been nice to actually see those both broken out to compare as well!

[codetiger]

The original benchmark had the comparison between Java thread and Java Virtual thread. https://pkolaczk.github.io/memory-consumption-of-async/