Previous benchmark was measuring initialization of thread pools and
their shutdown, not really measuring performance of Random.nextInt()
shared Random instance vs ThreadLocalRandom.current()
Example when run with 8 threads
Benchmark Mode Cnt Score Error Units
ThreadLocalRandomBenchMarker.randomValuesUsingRandom thrpt 20 9.597 ± 0.475 ops/us
ThreadLocalRandomBenchMarker.randomValuesUsingThreadLocalRandom thrpt 20 2195.178 ± 109.579 ops/us
karl82
Sjmillington
catalin-burcea
Eric Martin