$ java -Djdk.virtualThreadScheduler.parallelism=2 PinningThroughputDemo native 4 1000
mode=native threadCount=4 blockMillis=1000 parallelism=2 elapsedMs=2015

$ java -Djdk.virtualThreadScheduler.parallelism=2 PinningThroughputDemo plain 4 1000

mode=plain threadCount=4 blockMillis=1000 parallelism=2 elapsedMs=1022