The Computer Language
Benchmarks Game

Which programs are fastest?

How many times slower than the fastest

How many times slower, the fastest benchmark programs for selected programming language implementations are, compared to the fastest programs written in any of the programming languages.

Program elapsed times (the middle times) compared to the fastest, for different programming language implementations.

You can see that the order would be different if it was based on the median scores instead of the geometric mean scores.

Program elapsed times (the faster and slower times) compared to the fastest, for different programming language implementations.

The boxes are broken into separate groups, at the minima of the kernel density estimate for the geometric mean scores.

Notice which boxes have no overlap; notice which boxes overlap completely. Notice which show little midspread; notice which spread across too large a range of values for confidence.