All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=753996

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=dd59303bf8ec0fbbbe89b67b2eff9a3f2a770641a99914994171f4370f442d1a


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

chromium-rel-win7-gpu-intel

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971702976248468992

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : smoothness.tough_canvas_cases
  Metric       : frame_times/tough_canvas_cases_rendering_throughput_bouncing_clipped_rectangles.html

Revision             Result                  N
chromium@491729      58.9585 +- 4.08471      21      good
chromium@491804      60.1222 +- 12.3293      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=tough.canvas.cases.rendering.throughput.bouncing.clipped.rectangles.html smoothness.tough_canvas_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8971702976248468992


For feedback, file a bug with component Speed>Bisection

Bisect can't repro.