See and hear the effects of Garbage Collection

Sometimes you forget that GC’s occur: it’s hard to see it’s effect, but what does Garbage Collection do to your code? A long time ago (3 decades!) I used Fortran and Assembly code for a PDP-11 16 bit computer to design real time signal processing systems. Two of these were used to detect submarines: one would make a very loud noise (think a very big sonar Ping), and the other would pretend to be