All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=846059

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=c9bea392c34e29aa1ff441ad7e6eff405e4bb5ef604941169475f0f431d201f2


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

perf-go-phone-1024
perf-go-phone-512

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8945705932638080032

=== 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-1024-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/load_search/load_search_ebay
  Change       : 2.70% | 20357960.8889 -> 20907848.8889

Revision                                                     Result                   N
android-chrome@df6203e427                                    20357961 +- 267979       9       good
android-chrome@be902aa047                                    20338887 +- 208457       14      good
android-chrome@be902aa047,chromium@556849                    20372752 +- 205237       9       good
android-chrome@be902aa047,chromium@556890                    20288898 +- 179033       9       good
android-chrome@be902aa047,chromium@556893                    20281616 +- 248626       14      good
android-chrome@be902aa047,chromium@556894                    20386795 +- 257592       14      good
android-chrome@be902aa047,chromium@556894,v8@855850eb7f      20348030 +- 191653       14      good
android-chrome@be902aa047,chromium@556894,v8@e0c3f6d6ca      20706917 +- 219376       6       bad       <--
android-chrome@be902aa047,chromium@556894,v8@c34562803e      20742985 +- 226455       9       bad
android-chrome@be902aa047,chromium@556894,v8@9f5018c9b0      20699749 +- 127165       6       bad
android-chrome@be902aa047,chromium@556894,v8@61af2762ef      20678635 +- 181498       14      bad
android-chrome@be902aa047,chromium@556895                    20729397 +- 257736       14      bad
android-chrome@be902aa047,chromium@556901                    20621413 +- 92038.0      6       bad
android-chrome@be902aa047,chromium@556911                    20668802 +- 65752.5      9       bad
android-chrome@1390428f76                                    20782011 +- 251346       9       bad
android-chrome@41db54dacb                                    20775184 +- 243172       6       bad
android-chrome@915f491ece                                    20913424 +- 266274       6       bad
android-chrome@1517972687                                    20654718 +- 128695       14      bad
android-chrome@a03058257f                                    20832756 +- 196428       9       bad
android-chrome@e65cccf457                                    20842768 +- 254994       6       bad
android-chrome@4426288b2b                                    20907849 +- 355357       9       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=load.search.ebay 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/8945705932638080032


For feedback, file a bug with component Speed>Bisection