Issue 746857 has been merged into this issue.

 Issue 739098  has been merged into this issue.

 Issue 738718  has been merged into this issue.

 Issue 739318  has been merged into this issue.

Impact of revert: https://chromeperf.appspot.com/group_report?rev=483730

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8973186115634820432

 Issue 737478  has been merged into this issue.

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

Suspected Commit
  Author : Camillo Bruni
  Commit : bbc89774a6cbacd021f44f65eb0ea0f79f17b8f9
  Date   : Fri Jun 30 09:30:17 2017
  Subject: [runtime] Enable double-lazy boilerplate creation again

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/load_tools/load_tools_weather
  Change       : 3.32% | 23006213.3333 -> 22241912.0

Revision                           Result                  N
chromium@483677                    23006213 +- 502659      6      good
chromium@483705                    23131297 +- 396823      6      good
chromium@483719                    22893624 +- 310667      6      good
chromium@483726                    22967334 +- 328761      6      good
chromium@483729                    23012666 +- 312524      6      good
chromium@483729,v8@eeeae375b9      22974919 +- 299977      6      good
chromium@483729,v8@bbc89774a6      22169569 +- 407773      6      bad       <--
chromium@483729,v8@6407a3c052      22075192 +- 293424      6      bad
chromium@483729,v8@ca93156294      22221877 +- 204444      6      bad
chromium@483730                    22259667 +- 381675      6      bad
chromium@483731                    22230516 +- 258098      6      bad
chromium@483732                    22241912 +- 238235      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.tools.weather 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/8973186115634820432


For feedback, file a bug with component Speed>Bisection

Unmerging

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