... and I wrote a blog post testing this :) https://logperiodic.com/blog/2017/05/counting-distinct-elements-judy-arrays https://logperiodic.com/blog/2017/05/co

... and I wrote a blog post testing this :) https://logperiodic.com/blog/2017/05/counting-distinct-elements-judy-arrays https://logperiodic.com/blog/2017/05/counting-distinct-eleme...