All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=778613

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=fce0a2076e3601c7abb909ba5b487ce2d5acacf345d8269fab4fcd4f952c0cce


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

android-webview-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8964677000227215632

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

Suspected Commit
  Author : Daniel Clifford
  Commit : b590679496e829fd2f88ba4494072f0196c979de
  Date   : Tue Oct 24 09:05:16 2017
  Subject: Activate CSA implementation of Array.prototype.slice

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:v8:effective_size_avg/load_tools/load_tools_stackoverflow
  Change       : 8.93% | 5713558.66667 -> 6223501.33333

Revision                           Result                  N
chromium@511161                    5713559 +- 49602.1      6      good
chromium@511162                    5717681 +- 51493.4      6      good
chromium@511162,v8@598623c6b9      5715863 +- 74264.1      6      good
chromium@511162,v8@b590679496      6235859 +- 50664.2      6      bad       <--
chromium@511162,v8@bb6bee3255      6092969 +- 515639       6      bad
chromium@511163                    6253055 +- 60762.0      6      bad
chromium@511164                    6023120 +- 524240       6      bad
chromium@511166                    6160295 +- 424283       6      bad
chromium@511170                    6239357 +- 62879.9      6      bad
chromium@511178                    6263760 +- 54322.6      6      bad
chromium@511194                    6035343 +- 535662       6      bad
chromium@511227                    6223501 +- 34273.3      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-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.tools.stackoverflow 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/8964677000227215632


For feedback, file a bug with component Speed>Bisection