[Ffmpeg-devel] Re: [PATCH] h264 - loopify some get_cabac calls

Trent Piepho xyzzy
Fri Apr 20 04:05:15 CEST 2007


On Thu, 19 Apr 2007, Alexander Strange wrote:
> I finally found the time to look through the rest of the benchmarks I
> did for this:
[...]
> faculty.vassar.edu/lowry/wilcoxon.html:
> z = 2.78 / p = .0027 (95% significant)
> z = 2.47 / p = .0068 (same)
>
> I don't think this is quite true, since the numbers are running
> averages and not individual samples, but without std. deviations it's
> the best I can do.

Since you just have just one run, you can't do any kind of
statistical analysis.  Using a running average at different
points as if they were independent observations is completely
invalid.

Why are there so many skips?




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