```
[] ~/projects/jruby $ jruby -Xjit.logging -Xjit.logging.verbose -Xir.writing /Users/headius/projects/bench2018/bench_mandelbrot.rb 
java.lang.ClassNotFoundException: Users.headius.projects.bench2018.bench_mandelbrot
	at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at org.jruby.Ruby.runFromMain(Ruby.java:942)
	at org.jruby.Main.doRunFromMain(Main.java:412)
	at org.jruby.Main.internalRun(Main.java:304)
	at org.jruby.Main.run(Main.java:234)
	at org.jruby.Main.main(Main.java:206)
2020-01-25T12:24:17.853-06:00 [main] INFO Ruby : done compiling target script: /Users/headius/projects/bench2018/bench_mandelbrot.rb
2.592067
^C
[] ~/projects/jruby $ ls ~/.ir/Users/headius/projects/bench2018/
bench_mandelbrot.class bench_mandelbrot.ir

[] ~/projects/jruby $ CLASSPATH=~/.ir jruby -Xjit.logging -Xjit.logging.verbose -Xir.writing /Users/headius/projects/bench2018/bench_mandelbrot.rb 
Ok, running from class!
2.688419
^C
```