All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=762212

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=2c79e97087f3d613de5c656dc9c80092a5bd85b8675e55322464f9b611234e99


Bot(s) for this bug's original alert(s):

chromium-rel-win7-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8969256280152559456

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Bruce Dawson
  Commit : 43b6c849b3c49f71261a71fcb40455d0e263c49d
  Date   : Mon Aug 28 01:12:50 2017
  Subject: Revert "Change default VC++ compiler from 2015 to 2017"

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : smoothness.tough_path_rendering_cases
  Metric       : frame_times/MotionMark Canvas Stroke Shapes
  Change       : 1.80% | 50.0288330924 -> 50.9297973838

Revision             Result                   N
chromium@497681      50.0288 +- 2.20345       14      good
chromium@497683      49.781 +- 0.194211       6       good
chromium@497684      50.9527 +- 0.608874      6       bad       <--
chromium@497685      50.9327 +- 1.97186       14      bad
chromium@497688      50.9792 +- 0.798739      9       bad
chromium@497694      50.9298 +- 1.18376       9       bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=MotionMark.Canvas.Stroke.Shapes smoothness.tough_path_rendering_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969256280152559456


For feedback, file a bug with component Speed>Bisection