The concept is interesting, but I'm a little leery of the detail that the benchmark performance reported is in each case "the best run out of 100".

One can claim, thus, only that this sort method's near-best-case performance is better than `std::sort`'s near-best-case performance (at least at the, er, P01 level). That says little to nothing about the modal or reasonably-bad-case (say, P95) performance.

A comparison of median values would lend much more weight to the claim that this method is "faster" than `std::sort`.

But a really good benchmark report would show the entire histogram of performance for each method.