$ java -Djdk.virtualThreadScheduler.parallelism=2 BoundedNativeCallDemo direct
mode=direct parallelism=2 pinningCount=2 unrelatedCount=6 unrelatedWorkDoneAtMs=924 totalElapsedMs=924

$ java -Djdk.virtualThreadScheduler.parallelism=2 BoundedNativeCallDemo bounded
mode=bounded parallelism=2 pinningCount=2 unrelatedCount=6 unrelatedWorkDoneAtMs=126 totalElapsedMs=826