All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=763893

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=9a914df188eaa7a2fa03bb454de19459baa7780c9f396c7693aabb6e39011374


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

chromium-rel-win10
chromium-rel-win7-x64-dual
chromium-rel-win8-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8968748625097869472

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

Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : smoothness.tough_canvas_cases
  Metric       : frame_times/http___spielzeugz.de_html5_liquid-particles.html

Revision             Result                  N
chromium@500368      32.4391 +- 1.90059      21      good
chromium@500482      32.3156 +- 1.55112      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=http...spielzeugz.de.html5.liquid.particles.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/8968748625097869472


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8968655651769714608

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

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : frame_times/Blogger

Revision             Result                   N
chromium@500357      17.1048 +- 0.508373      21      good
chromium@500440      17.2044 +- 0.94659       21      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=Blogger smoothness.top_25_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8968655651769714608


For feedback, file a bug with component Speed>Bisection

Multiple bisects can't repro. Some of these came back down, and some of them because bimodal in a way bisect doesn't seem able to repro.