All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=779172

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=4f67bf1a896d0a1c9b32f6cf2bd822ba93c71bb6b2729ee97dfd8cc44fa47102


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

android-nexus5
android-nexus5X
android-nexus6
android-nexus7v2
android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8964555795630180880

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

Suspected Commit
  Author : Georg Neis
  Commit : dabf6003c9def98a3f8e3770b9060989f3ffdd21
  Date   : Tue Oct 24 11:46:38 2017
  Subject: [bigint] Support <, <=, >, >=.

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : media.mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/video.html?src_tulip2.vp9.webm_background
  Change       : 0.77% | 1763516.66667 -> 1777146.66667

Revision                           Result                  N
chromium@511048                    1763517 +- 202.102      6      good
chromium@511236                    1766775 +- 243.601      6      good
chromium@511330                    1764013 +- 15215.2      6      good
chromium@511342                    1766764 +- 0.0          6      good
chromium@511348                    1766809 +- 157.039      6      good
chromium@511351                    1766821 +- 114.461      6      good
chromium@511352                    1761251 +- 30566.9      6      good
chromium@511352,v8@d75ecf1303      1766775 +- 114.461      6      good
chromium@511352,v8@0105522f7e      1766764 +- 166.565      6      good
chromium@511352,v8@dabf6003c9      1777653 +- 184.145      6      bad       <--
chromium@511353                    1777665 +- 114.461      6      bad
chromium@511354                    1777653 +- 124.15       6      bad
chromium@511377                    1777608 +- 136.0        6      bad
chromium@511424                    1777147 +- 184.145      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=video.html.src.tulip2.vp9.webm.background media.mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8964555795630180880


For feedback, file a bug with component Speed>Bisection