Only 1 validator inserts rounds
Updating v1 100000 times took 42 milliseconds, last round: 0
Updating v2 100000 times took 317881 milliseconds, last round: 0
Updating v3 100000 times took 73 milliseconds, last round: 0
Every validator inserts rounds in a round-robin fashion, increasing every time: after insertions, each insertion should return (latest_round - ).
Updating v1 100000 times took 2633 milliseconds, last round: 99866
Updating v2 100000 times took 2283 milliseconds, last round: 99866
Updating v3 100000 times took 473 milliseconds, last round: 99866