All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=759728

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=32728cc8ca495337a2eecd75dcd85b8a2a4e6ec15ec00eb9c00cb606074fb624


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

chromium-rel-mac-retina

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8969998236921155536

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

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : loading.desktop
  Metric       : cpuTimeToFirstMeaningfulPaint_avg/pcv1-warm/Taobao

Revision             Result                  N
chromium@496661      118.293 +- 32.8607      21      good
chromium@496726      116.442 +- 55.8403      21      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 --story-filter=Taobao loading.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969998236921155536


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8966181195885958144

Trying another bisect on a different bot/wider range.

=== 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: 48b9f2ae5a9f9653d06a62c6c9033ddd527d1b91
  bad_revision : dab3f12cdb2a2116d1cad33f571182f013e36609

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


Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : loading.desktop
  Metric       : cpuTimeToFirstMeaningfulPaint_avg/pcv1-cold/FlipKart

Revision             Result                  N
chromium@496227      551.339 +- 185.74       21      good
chromium@496482      510.848 +- 84.4045      6       good
chromium@496737      608.496 +- 83.5814      6       bad
chromium@497246      576.237 +- 46.1182      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 --story-filter=FlipKart loading.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8966181195885958144


For feedback, file a bug with component Speed>Bisection

Bisect results look like they're too noisy.