[PATCH] [LNT] Add geometric mean to run report

Yi Kong kongy.dev at gmail.com
Fri May 16 10:08:54 PDT 2014

Hi all,

This patch implements geometric mean in run report.

The idea of geomean is to represent the entire data set and not to get
skewed by long running tests. However the major problem with it is,
zero time is not allowed. I used a workaround by adding 1 to each
value and subtract 1 from the final geomean result.  The workaround
certainly break the geomean number, but we don't really care the
number itself, rather the change of it. It's certainly not the ideal.
Is there any better solution or statistics we can use?

Yi Kong
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