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Date: Sun, 29 Sep 2002 19:17:03 +1000
From: Con Kolivas <conman@kolivas.net>
To: Paolo Ciarrocchi <ciarrocchi@linuxmail.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [BENCHMARK] 2.5.39 with contest 0.41
References: <20020929090045.25295.qmail@linuxmail.org>
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Quoting Paolo Ciarrocchi <ciarrocchi@linuxmail.org>:

> From: Con Kolivas <conman@kolivas.net>
> [...]
> > > process_load:
> > > Kernel                  Time            CPU             Ratio
> > > 2.4.19                  200.43          60%             1.51
> > > 2.4.19                  203.11          60%             1.53
> > > 2.4.19                  203.97          59%             1.53
> > > 2.5.38-mm2              194.42          69%             1.46
> > > 2.5.38-mm2              195.19          69%             1.47
> > > 2.5.38-mm2              207.36          64%             1.56
> > > 2.5.39                  190.44          70%             1.43
> > > 2.5.39                  191.37          70%             1.44
> > > 2.5.39                  193.60          69%             1.45
> > > 
> > > io_load:
> > > Kernel                  Time            CPU             Ratio
> > > 2.4.19                  486.58          27%             3.66
> > > 2.4.19                  593.72          22%             4.46
> > > 2.4.19                  637.61          21%             4.79
> > > 2.5.38-mm2              232.35          61%             1.75
> > > 2.5.38-mm2              237.83          57%             1.79
> > > 2.5.38-mm2              274.39          50%             2.06
> > > 2.5.39                  242.98          57%             1.83
> > > 2.5.39                  294.52          50%             2.21
> > > 2.5.39                  328.01          42%             2.46
> > > 
> > > mem_load:
> > > Kernel                  Time            CPU             Ratio
> > > 2.4.19                  172.24          78%             1.29
> > > 2.4.19                  174.74          77%             1.31
> > > 2.4.19                  174.87          77%             1.31
> > > 2.5.38-mm2              165.53          82%             1.24
> > > 2.5.38-mm2              170.00          80%             1.28
> > > 2.5.38-mm2              171.96          79%             1.29
> > > 2.5.39                  167.92          81%             1.26
> > > 2.5.39                  170.80          80%             1.28
> > > 2.5.39                  172.68          79%             1.30
> > 
> > Quick statistical analysis:
> > Noload, 2.5.39 is slower than 2.4.19 and same as 2.5.38-mm2
> > 
> > ProcessLoad, 2.5.39 is slower than 2.4.19 and same as 2.5.38-mm2
> Why ? 
> If look at the numbers I assume that 2.5.39 is faster then 2.4.19.
> Am I missing something?

Sorry, typo should read 2.5.39 is faster than 2.4.19 and same as 2.5.38-mm2

> I'll run further test...

Not really needed. I'm convinced the difference is there, and the people who can
act on the data probably will be happy with that much information too. Some are
less satisfied with the quality of the data unless there is firm statistical
data to support the hypothesis. Your time is better spent on other things.

Con
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