3 Commits

Author SHA1 Message Date
Damien Lespiau
05c10f940f stats: Use an algorithm popularised by Knuth to compute mean and variance
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27 16:03:27 +01:00
Damien Lespiau
e55a11d3eb stats: Be more precise and talk about mean, not average
There are several types of averages eg. mean, median and mode.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27 16:03:27 +01:00
Damien Lespiau
06f5f7065f lib: Add a tiny utility function to compute averages
The master plan would be to get a bit more stats in it, at least the
standard deviation and confidence interval. Just need the average for
now.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-25 17:22:03 +01:00