All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=842762

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=659e1a6af7eb79fe1178c34c4391412de8b48768ff2991c364d5b378c8b9f226


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

perf-go-phone-512

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8946533041607754048

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

Suspected Commit
  Author : jgruber
  Commit : e0c3f6d6ca005185e537fb85bbe841fe5dae5240
  Date   : Tue May 08 11:21:37 2018
  Subject: Disable embedded builtins

Bisect Details
  Configuration: go-phone-512-perf-bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/foreground/http_www_baidu_com_s_word_google
  Change       : 1.97% | 24565235.5556 -> 25024442.6667

Revision                                                     Result                  N
android-chrome@be902aa047                                    24565236 +- 150408      9       good
android-chrome@be902aa047,chromium@556849                    24712025 +- 220697      7       good
android-chrome@be902aa047,chromium@556890                    24692667 +- 102201      9       good
android-chrome@be902aa047,chromium@556893                    24742891 +- 144755      14      good
android-chrome@be902aa047,chromium@556894                    24815839 +- 174471      21      good
android-chrome@be902aa047,chromium@556894,v8@855850eb7f      24622011 +- 172460      6       good
android-chrome@be902aa047,chromium@556894,v8@e0c3f6d6ca      24973925 +- 128059      6       bad       <--
android-chrome@be902aa047,chromium@556894,v8@c34562803e      25134864 +- 157672      6       bad
android-chrome@be902aa047,chromium@556894,v8@9f5018c9b0      25110629 +- 123053      6       bad
android-chrome@be902aa047,chromium@556894,v8@61af2762ef      25078544 +- 125871      6       bad
android-chrome@be902aa047,chromium@556895                    25037950 +- 105924      14      bad
android-chrome@be902aa047,chromium@556901                    25207227 +- 153027      6       bad
android-chrome@be902aa047,chromium@556911                    25051920 +- 168878      6       bad
android-chrome@1390428f76                                    25117058 +- 198382      9       bad
android-chrome@41db54dacb                                    25024443 +- 114306      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-chrome --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http.www.baidu.com.s.word.google memory.top_10_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8946533041607754048


For feedback, file a bug with component Speed>Bisection