All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=657780

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgjai3pAkM


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

chromium-rel-win8-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8998287058233143520

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


===== SUSPECTED CL(s) =====
Subject : [regexp] Port test, match, and search
Author  : jgruber
Commit description:
  
This CL ports RegExp.prototype.test, RegExp.prototype.match
and RegExp.prototype.search to C++.

Performance regressions are expected but should be improved
in an upcoming CL.

BUG= v8:5339 

Review-Url: https://codereview.chromium.org/2394713003
Cr-Commit-Position: refs/heads/master@{#40122}
Commit  : 80f3c6ce7702c0cc28388ae4f084c23870a9aa4f
Date    : Mon Oct 10 13:57:20 2016


===== TESTED REVISIONS =====
Revision                       Mean     Std Dev   N  Good?
chromium@424391                347.816  1.44868   5  good
chromium@424396                348.273  1.61736   5  good
chromium@424398                348.383  1.0134    5  good
chromium@424398,v8@640ae3f9d2  347.317  0.619779  5  good
chromium@424398,v8@80f3c6ce77  362.856  0.863213  5  bad    <--
chromium@424398,v8@d5d283b27d  359.863  1.64107   5  bad
chromium@424398,v8@853e176f29  361.403  1.87187   5  bad
chromium@424398,v8@b884a51ff2  361.686  1.91645   5  bad
chromium@424399                357.981  0.74611   5  bad
chromium@424400                358.743  2.08226   5  bad

Bisect job ran on: win_8_perf_bisect
Bug ID: 657780

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests speedometer
Test Metric: BackboneJS-TodoMVC/BackboneJS-TodoMVC
Relative Change: 3.14%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/win_8_perf_bisect/builds/2259
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8998287058233143520


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5834690584379392

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