On Sun, Jul 6, 2014 at 6:15 PM, Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote: >> a justification why the geometric mean is used here would increase my >> confident significantly. > > It's just a standard way to summarize sets of benchmarks. For example SPEC > uses the same approach. No, SPEC would have calculated the geometric mean of the ratios cmp[1][j] / cmp[0][j]. And this should also only be used under the assumption that there is a multiplicative correlation. Bert -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html