Benchmark to make a point in some online thread about how incorrect the
benchmark in https://nullprogram.com/blog/2021/04/23/ is. Please don't use this
to draw any actual conclusions about EnumSet (you should be benchmarking
actual realistic workloads).
If you have SBT and Java installed, compile and run with sbt jmh:run.
On my machine, I get the following output:
$ sbt jmh:run
...
[info] REMEMBER: The numbers below are just data. To gain reusable insights, you need to follow up on
[info] why the numbers are the way they are. Use profilers (see -prof, -lprof), design factorial
[info] experiments, perform baseline and negative tests that provide experimental control, make sure
[info] the benchmarking environment is safe on JVM/OS/HW level, ask for reviews from the domain experts.
[info] Do not assume the numbers tell you what you want them to tell.
[info] Benchmark Mode Cnt Score Error Units
[info] Bench.enumSet avgt 100 6.605 ± 0.173 ns/op
[info] Bench.hashSet avgt 100 83.031 ± 9.414 ns/op
[info] Bench.maskSet avgt 100 4.200 ± 0.123 ns/op
[success] Total time: 52 s, completed Apr 24, 2021 6:38:40 PM