Re: [patch][rfc] optimise resched, idle task

2005-04-03 Thread Nick Piggin
Nick Piggin wrote: This actually improves performance noticably (ie. a % or so) on schedule / wakeup happy benchmarks (tbench, on a dual Xeon with HT using mwait idle). Here are some numbers on a 2 socket Xeon with HT and mwait idle. Average of 3 runs, tbench, single client and single server proces

[patch][rfc] optimise resched, idle task

2005-04-01 Thread Nick Piggin
Haven't finished (hardly started) the arch code for this yet (and probably broke ppc64), so it is just an RFC at this stage. The large CC list is because it is a reasonably big change, so I hope one or two of you smart guys can see if it looks sound before I try to tackle the rest of the arch code