All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=783639

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=c28a9cc23a5caf1b58aca7591bcc60a472242abef0c98dadda53c4ee628a73d0


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

android-nexus5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8963323355733946048

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

Suspected Commit
  Author : Justin Novosad
  Commit : 5b07996e178c5f4e153e771d48ab839867fa7440
  Date   : Wed Nov 08 23:26:00 2017
  Subject: Reland: Refactor of Canvas2DLayerBridge resource model

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/load_games/load_games_bubbles
  Change       : 33.09% | 20015432.0 -> 26637992.0

Revision             Result                   N
chromium@514974      20015432 +- 0.0          6      good
chromium@514989      20015432 +- 0.0          6      good
chromium@514997      20015432 +- 0.0          6      good
chromium@514999      20020571 +- 28149.3      6      good
chromium@515000      20023537 +- 44391.1      6      good
chromium@515001      26637992 +- 0.0          6      bad       <--
chromium@515004      26637992 +- 0.0          6      bad
chromium@515033      26643131 +- 28149.3      6      bad
chromium@515092      26637992 +- 0.0          6      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

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=load.games.bubbles system_health.memory_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963323355733946048


For feedback, file a bug with component Speed>Bisection