* First performance tweaks
* further tweaks
* collect into a treemap
* Tweak JVM options
* Inline rounding into collector
* reduce some operations
* oops, add missing braces
* tweak JVM options
* small fixes
* add min and max to processing
* fix min
* remove compact strings
* replace sumWithCompensation with naive sum implementation
* use UseShenandoahGC
* integrate mmap
* integrate mmap
* Fix messed up array logic
* Set jdk version