* Yury Norov <ynorov@xxxxxxxxxxxxxxxxxx> wrote: > I collected about 700 results in dmesg, and took 600 fastest. > For the vanilla kernel, the average value is 368, and for patched > kernel it is 388. It's 5% slower. But the standard deviation is > really big for both series' - 131 and 106 cycles respectively, which > is ~ 30%. And so, my conclusion is: there's no benefit in using > sched_find_first_bit() comparing to find_first_bit(). Erm, so you in essence claim: "according to measurements the new code is 5% slower, with a high, 30% stddev, hence the new code is better!" Basic logic fail... Thanks, Ingo
