* Waiman Long <Waiman.Long@xxxxxx> wrote: > [...] > > Patches 2 improves the mutex spinning process by reducing contention among the > spinners when competing for the mutex. This is done by using a MCS lock to put > the spinners in a queue so that only the first spinner will try to acquire the > mutex when it is available. This patch showed significant performance > improvement of +30% on the AIM7 fserver and new_fserver workload. Ok, that's really nice - and this approach has no arbitrary limits/tunings in it. Do you have a performance comparison to your first series (patches 1+2+3 IIRC) - how does this new series with MCS locking compare to the best previous result from that old series? Do we now achieve that level of performance? Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
