All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=769712

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=5944136c8ccce74cd751b677f045ce296611da213a99f8852f2b7f95794441a9


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

chromium-rel-mac11-air
chromium-rel-mac12

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/14ffbd49780000

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8966138611738547728

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/14ffbd49780000

=== BISECT JOB RESULTS ===
Bisect was unable to run to completion

Error: INFRA_FAILURE

The bisect was able to narrow the range, you can try running with:
  good_revision: b5fd11537b9d4b19fb9f10bb18fb9689526bb7d4
  bad_revision : 7bab19811277fe25950b685e63633fcf989c8369

If failures persist contact the team (see below) and report the error.


Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : speedometer
  Metric       : jQuery-TodoMVC/jQuery-TodoMVC

Revision             Result                  N
chromium@503981      532.86 +- 33.1638       14       good
chromium@503984      ---                     ---      build failure
chromium@503986      547.693 +- 81.5357      14       bad
chromium@503990      545.817 +- 42.4971      14       bad
chromium@503999      547.372 +- 50.4643      20       bad
chromium@504017      553.353 +- 48.0233      14       bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests speedometer

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8966138611738547728


For feedback, file a bug with component Speed>Bisection