Messages in this thread |  | | | Subject | Re: [Bug #11308] tbench regression on each kernel release from 2.6.22 -> 2.6.28 | | From | Mike Galbraith <> | | Date | Sun, 14 Sep 2008 08:24:54 +0200 | |
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?
-Mike
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