All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=758853

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=5ebd91adde4c61578021549ecfcb6d5036cce8a60a7ad1ebab31eb35ff4cdc4a


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

chromium-rel-mac11-pro

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970304281446833424

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

Suspected Commit
  Author : Michael Hablich
  Commit : af91eb85de58d9205f029da39662740ca7c222f2
  Date   : Wed Aug 23 10:18:57 2017
  Subject: Version 6.2.337.1 (cherry-pick)

Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : oortonline_tbmv2
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg/http___oortonline.gl__run
  Change       : 29.46% | 289723740.667 -> 375077562.667

Revision                           Result                     N
chromium@496123                    289723741 +- 10051954      6      good
chromium@496416                    292588375 +- 13395931      6      good
chromium@496563                    290567687 +- 13609069      6      good
chromium@496636                    291879747 +- 9356117       6      good
chromium@496655                    298143929 +- 26812531      6      good
chromium@496660                    291498413 +- 16011447      6      good
chromium@496661                    290528123 +- 13274037      6      good
chromium@496661,v8@af91eb85de      375182558 +- 344490        6      bad       <--
chromium@496662                    374911897 +- 1606890       6      bad
chromium@496664                    375150546 +- 149840        6      bad
chromium@496673                    373028031 +- 7490177       6      bad
chromium@496709                    375077563 +- 102875        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=http...oortonline.gl..run oortonline_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970304281446833424


For feedback, file a bug with component Speed>Bisection