All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=759578

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=62379159367542e0ce855b246a9a6cc17c149f2c92693d3b067844ba436a67cf


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

chromium-rel-mac-retina

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970007867314462736

=== 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    : thread_times.tough_scrolling_cases
  Metric       : thread_total_all_cpu_time_per_frame/text_40000_pixels_per_second
  Change       : 69.22% | 12.081676202 -> 20.4443302231

Revision             Result                  N
chromium@497584      12.0817 +- 2.56923      6      good
chromium@497601      12.3165 +- 2.27986      6      good
chromium@497609      12.1334 +- 2.59859      6      good
chromium@497613      12.2772 +- 2.11385      6      good
chromium@497614      12.1707 +- 2.10568      6      good
chromium@497615      20.9302 +- 2.61484      6      bad       <--
chromium@497617      20.8338 +- 2.75918      6      bad
chromium@497650      20.4443 +- 1.34087      6      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=text.40000.pixels.per.second thread_times.tough_scrolling_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970007867314462736


For feedback, file a bug with component Speed>Bisection