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Date:      Sat, 22 Sep 2012 23:56:16 -0700
From:      Garrett Cooper <yanegomi@gmail.com>
To:        Poul-Henning Kamp <phk@phk.freebsd.dk>
Cc:        freebsd-hackers@freebsd.org, toolchain@freebsd.org
Subject:   Re: [CFT/RFC]: refactor bsd.prog.mk to understand multiple programs instead of a singular program
Message-ID:  <CAGH67wQty4krGWSpa5JAhT-4hQD4veYKLeY-r3C6K9F5XaFeaw@mail.gmail.com>
In-Reply-To: <61600.1348381832@critter.freebsd.dk>
References:  <CAGH67wSuX7zJrTb5GehQWHKqYKog-aTwkiNw5CSJLrzftzKTaA@mail.gmail.com> <61600.1348381832@critter.freebsd.dk>

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On Sat, Sep 22, 2012 at 11:30 PM, Poul-Henning Kamp <phk@phk.freebsd.dk> wrote:
> In message <CAGH67wSuX7zJrTb5GehQWHKqYKog-aTwkiNw5CSJLrzftzKTaA@mail.gmail.com>
> , Garrett Cooper writes:
>
>>Without the change:
>>
>>$ python calc_runtime.py bw.*_without.log | ministat -w 72
>>[...]
>>$ python calc_runtime.py bw.*.log | ministat -w 72
>
> Try:
>    python calc_runtime.py bw.*_without.log > _without
>    python calc_runtime.py bw.*.log > _with
>    ministat -w 72 _with _without
>
> :-)
>
> (PS: your two chosen glob patterns are not exclusive, but I suppose
> that was for illustration only)

    Forgot to mention that I ran the "with" results before the
"without" results, so technically the files didn't exist yet and hence
the results are separate. But, just for absolute clarity for archiving
sake (and provided your suggestion on how to overlay both graphs),
here are the results:

$ for i in bw.*[0-9].log; do mv $i `echo $i | sed -e
's/\.log/_with\.log/g'`; done
$ python calc_runtime.py bw.*_with.log > _with
$ python calc_runtime.py bw.*_without.log > _without
$ ministat -w 72 _with _without
x _with
+ _without
+------------------------------------------------------------------------+
|     +                                                x                 |
|+    +  +       xx +   x       x    x    +         ++ x x  +    xx     +|
|     |________________|________A_________MA___________M___|__|          |
+------------------------------------------------------------------------+
    N           Min           Max        Median           Avg        Stddev
x  10           940          1002           988         972.3     24.476973
+  10           919          1010           972         958.9     33.994934
No difference proven at 95.0% confidence

Thanks for the tip :)!
-Garrett



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