anchor.diff:  |Average 11+^.^|*4.5%*
   |===
   
  -With Parallel Garbage Collector, the results are less definite as with G1. There is an improvement for some data sets,
  +With the Parallel Garbage Collector, the results are less definite than G1. There is an improvement for some data sets,
   while others remain intact or show even a performance drop. However, on average, the Java 11 performs over 4% better.
   
   === Parallel GC vs. G1 GC on Java 11
  
positive.code: |Average 11+^.^|*16.1%*
  |===
  
  Almost every data set shows improvement on Java 11 over Java 8 using the G1 garbage collector. On average, the is a
  16% improvement just by switching to Java 11. Possible reason for such an improvement can be e.g.
  http://openjdk.java.net/jeps/307[JEP 307: Parallel Full GC for G1], introduced in Java 10.
  
  image::Java8VsJava11usingParallelGC.svg[]
  
negative.code:   OpenJDK Runtime Environment 18.9 (build 11.0.1+13)
    OpenJDK 64-Bit Server VM 18.9 (build 11.0.1+13, mixed mode)
  
  * OptaPlanner `7.14.0.Final`
  
  * Solving a planning problem involves *no IO* (except a few milliseconds during startup to load the input). *A single
  CPU is completely saturated.* It constantly creates many short lived objects, and the GC collects them afterwards.
  