On Mon, 2009-01-12 at 18:24 +0100, Peter Zijlstra wrote: > On Mon, 2009-01-12 at 12:14 -0500, Chris Mason wrote: > > On Mon, 2009-01-12 at 17:50 +0100, Peter Zijlstra wrote: > > > > > > > > (the file stat run is total run time, so lower is better. The other > > > > numbers are files or MB per second, so higher is better) > > > > > > > > For the file create run, v8 had much lower system time than v7, > > > > averaging 1s of sys time per proc instead of 1.6s. > > > > > > Right, how about the spread in completion time, because that is the only > > > reason I tried this fairness stuff, because you reported massive > > > differences there. > > > > > > > I reran the numbers with a slightly different kernel config and they > > have changed somewhat. These are just for the 4k file create run, all > > numbers in files created per second (and the numbers are stable across > > runs) > > > > v8 avg 176.90 median 171.85 std 12.49 high 215.97 low 165.54 > > v7 avg 169.02 median 163.77 std 16.82 high 267.95 low 157.95 > > Any opinions on the fairness matter, will -v9 be unlocked and unfair > again? I'd rather have it simple than fair. My benchmarks are pretty dumb, I wouldn't want to add complexity just based on them. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
