All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=700311

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1O7LvQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglIuL4wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglMPPmwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1LjMlwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1M7_ugsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1IX4lgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglKGhtggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1PiH_QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1JS53AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglK2FmgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglLvX_wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglO-SkAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1LWcpQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1KeypgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1JbQ5QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglPyijQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1MrL8AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1MaymAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtNiurwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1Lb06AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1Jjf5QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglNnv4gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1OrltgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglNnv4goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1KDZkQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1K7OrwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1IOD8gsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1JblkwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglIjGgAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglI_c9ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1LHa5goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1Oa92QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1O7suQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1MDc_QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1L25uwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5I_BgwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1Pjd7AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1Oa9mQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1NXyrgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1I6UvwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1KPHvQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1IGt_QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1Kr29AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1PTv5wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5I-LywgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1L-wsgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglMOQlQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglNbo1QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglJ3D0woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1IyinwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1NLbwggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1LyGrAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglLvulgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglMXjkQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglJKA1AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglLvulggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglOH2mQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtJjNsgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1Ji1mQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1Pat5gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglM3t5AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglOeapgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1LyGrAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglLmiigkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglNKr4QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1NDMyQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglMOQlQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1Jjh8AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglPf5kgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglKLKigkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglJGvlwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1MiezgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1MD_pgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1JCE-wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1LyctQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglMOz8goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1MO6tgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglOfl7ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1MfctQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglP-Y8goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtJjRowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglO_2iQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1ICKiQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglOaWiwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1ICKiQgM


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

android-nexus5
android-nexus5X
android-nexus6
android-nexus7v2
android-one
android-webview-nexus5X
chromium-rel-mac11-pro
chromium-rel-mac12
chromium-rel-win10

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8985517388557409840

It's improvements, after all :)

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

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : speedometer
  Metric       : BackboneJS-TodoMVC/BackboneJS-TodoMVC

Revision             Result                  N
chromium@455708      2110.17 +- 1697.21      21      good
chromium@455738      2264.38 +- 1781.01      21      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 speedometer

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985517388557409840

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4845299350110208


| 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/8984378666994855840

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

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : speedometer
  Metric       : BackboneJS-TodoMVC/BackboneJS-TodoMVC

Revision             Result                  N
chromium@455708      2271.06 +- 1914.83      21      good
chromium@455738      2298.08 +- 1861.7       21      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 speedometer

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8984378666994855840

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4845299350110208


| 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/8983687468231039872

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

Suspected Commit
  Author : Michael Hablich
  Commit : 7c3936c67a6361371d9a00d83e2c03ecc603ce76
  Date   : Thu Mar 09 08:05:42 2017
  Subject: Version 5.9.34.1 (Turn on I+TF)

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : speedometer
  Metric       : EmberJS-TodoMVC/EmberJS-TodoMVC
  Change       : 4.31% | 7654.17027778 -> 7324.11666667

Revision                           Result                  N
chromium@455714                    7654.17 +- 313.096      6      good
chromium@455718                    7655.22 +- 180.92       6      good
chromium@455719                    7623.21 +- 263.425      6      good
chromium@455719,v8@7c3936c67a      7356.59 +- 225.72       6      bad       <--
chromium@455719,v8@fbffc377e3      7335.81 +- 177.636      6      bad
chromium@455720                    7364.04 +- 177.535      6      bad
chromium@455721                    7391.19 +- 88.4232      6      bad
chromium@455728                    7401.74 +- 160.748      6      bad
chromium@455742                    7324.12 +- 217.559      6      bad

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 speedometer

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983687468231039872

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4845299350110208


| 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!