Re: [Bug #11308] tbench regression on each kernel release from 2.6.22 -> 2.6.28

Mike Galbraith
2008-09-14T07:02:26Z

On Sun, 2008-09-14 at 08:24 +0200, Mike Galbraith wrote:
> On Sat, 2008-09-13 at 13:44 +0200, Mike Galbraith wrote:
>
> > 2.6.27-rc6
> > Throughput 1037.98 MB/sec 4 procs
> >
> > 16384 87380 1 1 60.00 80293.80
> > 16384 87380 1 1 60.00 80266.60
> > 16384 87380 1 1 60.00 80394.83
> > 16384 87380 1 1 60.01 80397.27
>
> <snip... sigh>
>
> goes back to current real .27 config
>
> Throughput 1022.52 MB/sec 4 procs
>
> 16384 87380 1 1 60.00 75941.95
> 16384 87380 1 1 60.01 76002.46
> 16384 87380 1 1 60.01 76367.55
> 16384 87380 1 1 60.00 76188.66
>
> ...
>
> demodularizes seriously over-configured network
>
> Throughput 750.175 MB/sec 4 procs
>
> 16384 87380 1 1 60.00 49270.35
> 16384 87380 1 1 60.01 49233.86
> 16384 87380 1 1 60.00 49265.72
> 16384 87380 1 1 60.00 49227.00
>
> Very un-good thing to try. Stupid thing too?

Apparently stupid for netfilter. Uninteresting to this thread I
suppose, so disregard.

-Mike