All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=782771

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=9330394d20a650b2a78bb3b151a86c09595c25718a673fd833b7bec9217089eb


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

android-nexus5
android-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8963471487925655632

=== Auto-CCing suspected CL author japhet@chromium.org ===

Hi japhet@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : Nate Chapin
  Commit : 1aec1a92fb786cae0a24ff2b22d4858d4486252e
  Date   : Mon Nov 06 23:47:59 2017
  Subject: Make script cache hits async

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : system_health.common_mobile
  Metric       : cpu_time_percentage_avg/load_tools/load_tools_weather
  Change       : 13.49% | 0.536118097988 -> 0.608446583961

Revision             Result                      N
chromium@514263      0.536118 +- 0.0103094       6      good
chromium@514292      0.537897 +- 0.0118811       6      good
chromium@514296      0.537811 +- 0.0113768       6      good
chromium@514298      0.533913 +- 0.00963719      6      good
chromium@514299      0.602301 +- 0.0678689       9      bad       <--
chromium@514306      0.60988 +- 0.00490436       6      bad
chromium@514320      0.611662 +- 0.00940993      6      bad
chromium@514376      0.608447 +- 0.00726461      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 --story-filter=load.tools.weather system_health.common_mobile

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963471487925655632


For feedback, file a bug with component Speed>Bisection

 Issue 782770  has been merged into this issue.

Reverted: https://chromium.googlesource.com/chromium/src.git/+/e1cfaee91ad08478fbd956fcd73d570032702397

 Issue 783688  has been merged into this issue.

 Issue 783795  has been merged into this issue.

 Issue 784267  has been merged into this issue.

 Issue 784837  has been merged into this issue.

 Issue 783710  has been merged into this issue.

 Issue 783690  has been merged into this issue.