All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=670356

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx-yepwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx87cvgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh46k8AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh--puwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-5qh7wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx7T9tgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-5HehggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh5W15gsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh8fB8wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-5HehgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx87GoAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx4ODqAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx9_pvgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-_eOswsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx9_2rwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx7uq-goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx4qZqQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx4PnuQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx4f5qgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx87GoAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh--9pgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx8rwtAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh4_rsgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-5em9AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh42lnAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx_utpAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh42l7AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh9C0uQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh42lnAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh-OetwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx4POoAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx8z0twoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh_ejqQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh_CAvwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh8fwrAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh9G4rAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh9LfqwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx_CqowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgu62EmAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-8u7oQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx5blsQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh9WE_woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh9G4rAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-5PL_wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh-6a7AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh6bquwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx5avuQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-4-srgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh5Cd4AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh9HCvQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh5uTqgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh8Kt7wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx_TvtQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx8PwpAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx5G1qgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh4jcvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx5L3qwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh7mHrAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx7vgsgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx8XqtgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx_TBqAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh5aTugoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgu--N7wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-5j3_wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgu62EmAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh6GhtAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx7KAsQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh_WitgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh-mhoQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh8fBswsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgu5vphggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx_SVuQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx8X0pwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx_SLpAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx-HZuQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh87B6wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh-3_pwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx_3IvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh-XDrAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx9a4pAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh5SSrAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-4_avwoM


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

android-nexus5
android-nexus5X
android-nexus6
android-nexus7v2
android-nexus9
android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8994456189478978288

===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : [regexp] Migrate @@match to TurboFan
Author  : jgruber
Commit description:
  
Microbenchmarks show a 4x improvement on the fast path and 2.5x improvement on
the slow path when compared to the CPP builtin implementation.

Compared to the old JS implementation, the fast path is 20% faster and the slow
path 35% slower.

BUG= v8:5339 , v8:5562 

Review-Url: https://codereview.chromium.org/2527963002
Cr-Commit-Position: refs/heads/master@{#41338}
Commit  : 4e7571a5a9bb8563ae93e0aff48c08bead765b14
Date    : Tue Nov 29 09:03:18 2016


===== TESTED REVISIONS =====
Revision                       Mean     Std Dev  N  Good?
chromium@434976                3689526  22439.4  5  good
chromium@434978                3694573  128.798  5  good
chromium@434978,v8@18eda7024b  3689950  22582.5  5  good
chromium@434978,v8@9c0e2a6723  3694628  149.238  8  good
chromium@434978,v8@4e7571a5a9  4787554  19765.6  5  bad    <--
chromium@434979                4804184  30107.3  5  bad
chromium@434980                4797397  36771.9  5  bad
chromium@434983                4799787  29527.4  5  bad
chromium@434989                4803549  29511.2  5  bad
chromium@435001                4807112  16600.6  5  bad

Bisect job ran on: android_nexus9_perf_bisect
Bug ID: 670356

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=https.mobile.twitter.com.justinbieber.skip.interstitial.true memory.top_10_mobile
Test Metric: memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/background/after_https_mobile_twitter_com_justinbieber_skip_interstitial_true
Relative Change: 30.29%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus9_perf_bisect/builds/2298
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8994456189478978288


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4609706004316160

| 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 Tests>AutoBisect.  Thank you!