Without warmup: WorkIt took 95 ms. pi = 3.13652
With warmup: Warming up took 7496 ms. pi = 3.14118959999987 WorkIt took 75 ms. pi = 3.13224
(95 - 75) / 95 = 21% boost
The following runs were executed with warmup disabled:
Using: -Djava.compiler=NONE WorkIt took 279 ms. pi = 3.14604
-XX:CompileThreshold=100: WorkIt took 143 ms. pi = 3.13716
-XX:CompileThreshold=500: WorkIt took 102 ms. pi = 3.14064
-XX:CompileThreshold=1000: WorkIt took 93 ms. pi = 3.13996
-XX:CompileThreshold=20000 WorkIt took 102 ms. pi = 3.13612