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* compare has a syntax error where it is missing the path to sem().Gravatar herb2015-11-06
| | | | | | BUG=skia: Review URL: https://codereview.chromium.org/1420963010
* Make bin/c and bin/compare work on Windows.Gravatar mtklein2015-10-28
| | | | | | | | | | | | | | | - Call python explicitly. - Drop numpy dependency (on numpy.mean.... come on.) - Make scipy dependency optional. Depends on https://codereview.chromium.org/1419073003 to really work. BUG=skia: Doesn't change code. NOTRY=true Review URL: https://codereview.chromium.org/1416833004
* Change to use mean and to use stderr.Gravatar herb2015-07-09
| | | | | | BUG=skia: Review URL: https://codereview.chromium.org/1228783003
* Don't suppress nanobench output table in verbose modeGravatar cdalton2015-06-26
| | | | | | | | | Changes verbose mode to print both the table and the individual sample values. No need to hold back information in verbose mode. BUG=skia: Review URL: https://codereview.chromium.org/1208763003
* Don't count a leading 1 as a signficant digit in the ratio.Gravatar Mike Klein2014-11-24
| | | | | | | | | | | | | | | | | | | | | | | | | What used to look like this: desk_pokemonwiki.skp 9.38ms -> 9.76ms 1x tabl_pravda.skp 237us -> 241us 1x desk_css3gradients.skp 249us -> 254us 1x .... desk_fontwipe.skp 39.6us -> 38.7us 0.98x tabl_digg.skp 922us -> 893us 0.97x tabl_gmail.skp 20.7us -> 20us 0.96x Now will print more like this: desk_pokemonwiki.skp 9.38ms -> 9.76ms 1.04x tabl_pravda.skp 237us -> 241us 1.02x desk_css3gradients.skp 249us -> 254us 1.02x .... desk_fontwipe.skp 39.6us -> 38.7us 0.98x tabl_digg.skp 922us -> 893us 0.97x tabl_gmail.skp 20.7us -> 20us 0.96x BUG=skia: Review URL: https://codereview.chromium.org/756643004
* Add nanobench stats scripts to Skia repo.Gravatar mtklein2014-11-24
These are the scripts I've been homegrowing for measuring perf impact. I think we found them useful today as a way of sifting through the noise. BUG=skia: Review URL: https://codereview.chromium.org/703713002