Re: 2.6.21-rc3-mm1 RSDL results

Con Kolivas
2007-03-10T02:53:39Z

On Saturday 10 March 2007 13:26, Matt Mackall wrote:
> On Sat, Mar 10, 2007 at 01:20:22PM +1100, Con Kolivas wrote:
> > Progress at last! And without any patches! Well those look very
> > reasonable to me. Especially since -j5 is a worst case scenario.
>
> Well that's with a noyield patch and your sched_tick fix.
>
> > But would you say it's still _adequate_ with ccache considering you
> > only have 1/6th cpu left for X? With and without ccache it's quite a
> > different workload so they will behave differently.
>
> No, I don't think 1/6th is being left for X in the ccache case so I
> think there's a bug lurking here. My memload, execload, and forkload
> test cases did better even with X niced.
>
> To confirm, I've just run 15 instances of memload with unniced Xorg
> and it performs better than make -j 5 with ccache.
>
> If I have some time tomorrow, I'll try to do a straight -mm1 to mm2
> comparison with different loads.

Great, thanks very much for all that. I've found a few subtle bugs in the
process and some that haven't made it to the list either. I'll respin a set
of patches against -mm2 with the changes shortly.

Thanks!

--
-ck