All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=759652

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=3b39e27395e2a7c1d59d387aefa0059016ce697aeb525455570207616e17d55c


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

chromium-rel-mac-retina

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970001373900445408

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

Suspected Commit
  Author : Sunny Sachanandani
  Commit : 9b8fb34db903643b759635086dcf0da90b1e3082
  Date   : Sat Aug 26 00:49:56 2017
  Subject: gpu: Command buffer multi flush.

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : percentage_smooth/Docs  (1 open document tab)
  Change       : 3.61% | 59.8291015794 -> 57.5484976423

Revision             Result                  N
chromium@497584      59.8291 +- 8.07366      14      good
chromium@497601      59.8759 +- 4.84831      9       good
chromium@497609      59.9508 +- 3.19768      6       good
chromium@497613      60.394 +- 6.0181        14      good
chromium@497614      60.44 +- 9.76368        21      good
chromium@497615      57.8173 +- 7.63936      14      bad       <--
chromium@497617      57.2401 +- 7.0061       14      bad
chromium@497650      57.5485 +- 2.83905      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=Docs...1.open.document.tab. 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/8970001373900445408


For feedback, file a bug with component Speed>Bisection