All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=739099

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnvi-4QsM


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

chromium-rel-win7-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8975012948300403424

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

Suspected Commit
  Author : Michael Lippautz
  Commit : 3dffe2e3adda823c8eb951bd83a9f7a0da1a31cb
  Date   : Thu Jun 29 15:09:31 2017
  Subject: [heap] MC: Switch to instance-based visitor

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : v8.infinite_scroll_tbmv2
  Metric       : total:500ms_window:renderer_eqt:v8:gc:full-mark-compactor_max/total:500ms_window:renderer_eqt:v8:gc:full-mark-compactor_max
  Change       : 50.71% | 4.1400468686 -> 6.23961105673

Revision                           Result                   N
chromium@483368                    4.14005 +- 0.287986      6      good
chromium@483430                    4.18391 +- 1.25959       6      good
chromium@483438                    4.09991 +- 0.621044      6      good
chromium@483440                    3.95204 +- 1.47895       6      good
chromium@483441                    4.15661 +- 0.720848      6      good
chromium@483441,v8@8b97f512ac      3.89725 +- 1.13888       6      good
chromium@483441,v8@3dffe2e3ad      6.28911 +- 1.18063       6      bad       <--
chromium@483441,v8@261867021f      6.2373 +- 0.219685       6      bad
chromium@483442                    6.35737 +- 1.12537       6      bad
chromium@483446                    6.25979 +- 0.419059      6      bad
chromium@483461                    6.54052 +- 1.47327       6      bad
chromium@483491                    6.23961 +- 0.227059      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 v8.infinite_scroll_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8975012948300403424


For feedback, file a bug with component Speed>Bisection