(Also see the homepage) tl;dr Measurement is highly specific -- the time taken for this benchmark task, by this toy program, with this program

(Also see the homepage) tl;dr Measurement is highly specific -- the time taken for this benchmark task, by this toy program, with this programming language implementation, with these options, on this computer, with these workloads. Same toy program, same computer, same workload -- but much slower. Measurement is not prophesy.