All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=733266

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5uiq_AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgptiDoAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpvrAuwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpsC8vgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgptz5kggM


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

android-nexus5X
android-nexus6
android-webview-nexus6
chromium-rel-win7-x64-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976800511110869552

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : GC:duration_avg/browse_search/browse_search_google_india

Revision             Result                  N
chromium@476611      12.6989 +- 7.42418      21      good
chromium@476884      12.4497 +- 11.3093      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.search.google.india v8.runtimestats.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976800511110869552

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5777075799064576


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976789173553592272

=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : GC:duration_avg/browse_search/browse_search_google_india
  Change       : 13.03% | 12.3437142857 -> 13.6167857143

Suspected Commit Range
  6 commits in range
  https://chromium.googlesource.com/chromium/src/+log/15e1023261ee539b7d0037c2bb57596b48ca3ae3..420f4637737c8a0232941c7099b8b9bbb42b5fee


Revision             Result                  N
chromium@476611      12.3437 +- 6.93925      14       good
chromium@476748      12.3521 +- 7.72147      14       good
chromium@476782      11.9904 +- 12.263       21       good
chromium@476795      12.6864 +- 5.56029      14       good
chromium@476803      12.6489 +- 5.46418      14       good
chromium@476804      ---                     ---      build failure
chromium@476805      ---                     ---      build failure
chromium@476806      ---                     ---      build failure
chromium@476807      ---                     ---      build failure
chromium@476808      ---                     ---      build failure
chromium@476809      13.3998 +- 10.7092      21       bad
chromium@476815      13.6995 +- 8.21145      14       bad
chromium@476884      13.6168 +- 3.23435      14       bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.search.google.india v8.runtimestats.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976789173553592272

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5777075799064576


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

Assigning to performance sheriff.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976647717736888064

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

Suspected Commit
  Author : hpayer
  Commit : 502c6ae6a03979efbd3e006e6a0b8c3369ca2bbc
  Date   : Fri Jun 02 09:40:16 2017
  Subject: [heap] Activate memory reducer on external memory activity.

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : IC:duration_avg/browse_social/browse_social_instagram
  Change       : 14.15% | 695.169666667 -> 793.546

Revision                           Result                  N
chromium@476626                    695.17 +- 37.4147       6      good
chromium@476643                    699.531 +- 28.7377      6      good
chromium@476651                    697.918 +- 37.0908      6      good
chromium@476655                    694.692 +- 23.9317      6      good
chromium@476656                    716.007 +- 48.6744      6      good
chromium@476656,v8@d1a9603e57      704.781 +- 35.7169      6      good
chromium@476656,v8@502c6ae6a0      806.193 +- 62.0362      6      bad       <--
chromium@476656,v8@3b7ff7a5e5      793.261 +- 41.0388      6      bad
chromium@476657                    805.62 +- 38.6988       6      bad
chromium@476659                    793.358 +- 40.4438      6      bad
chromium@476691                    793.546 +- 45.5958      6      bad

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=browse.social.instagram v8.runtimestats.browsing_mobile_classic

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976647717736888064

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5211834749026304


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!