All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=729585

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgxsL7rgoM


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

chromium-rel-win7-x64-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8977614544331910736

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

Hi hans@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 : hans
  Commit : 8476c55fd44915447233200c063fcd426dfe9807
  Date   : Sat Jun 03 03:58:11 2017
  Subject: Re-commit "win: Set is_clang=true by default" over the weekend.

Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : speedometer
  Metric       : AngularJS-TodoMVC/AngularJS-TodoMVC
  Change       : 4.52% | 564.512833333 -> 590.01975

Revision             Result                  N
chromium@476747      564.513 +- 17.7054      6      good
chromium@476816      569.394 +- 12.734       6      good
chromium@476850      563.618 +- 10.4012      6      good
chromium@476867      568.931 +- 32.3019      9      good
chromium@476876      565.285 +- 10.8145      6      good
chromium@476880      563.414 +- 15.463       6      good
chromium@476882      570.057 +- 9.63174      6      good
chromium@476883      562.561 +- 7.71705      6      good
chromium@476884      590.02 +- 12.013        6      bad       <--

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests speedometer

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977614544331910736

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6510003344637952


| 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 Speed>Bisection.  Thank you!

 Issue 734643  has been merged into this issue.

We're not seeing any regression in Speedometer in the canary builds.