All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=777797

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=498c2f5be88f7eea001840bac6a5e28f8457b4e1720a28d04260221ae1b4e643


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

chromium-rel-win7-gpu-intel

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8964861119372907056

=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : smoothness.tough_animation_cases
  Metric       : frame_times/balls_css_keyframe_animations_composited_transform.html
  Change       : 0.91% | 29.923296445 -> 29.6511589994

Suspected Commit Range
  2 commits in range
  https://chromium.googlesource.com/chromium/src/+log/935a591a6ec4e6f64835fd47b8912da71a2b858f..ef394fce1aedb8db58821242eadd70720b125153


Revision             Result                   N
chromium@510668      29.9233 +- 1.59848       21       good
chromium@510673      29.8576 +- 1.58654       21       good
chromium@510674      ---                      ---      build failure
chromium@510675      29.5322 +- 1.11154       14       bad
chromium@510676      29.3947 +- 0.851223      9        bad
chromium@510678      29.5026 +- 1.13149       14       bad
chromium@510688      29.4481 +- 0.495623      9        bad
chromium@510708      29.6512 +- 0.935497      21       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 --story-filter=balls.css.keyframe.animations.composited.transform.html smoothness.tough_animation_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8964861119372907056


For feedback, file a bug with component Speed>Bisection

ref build moved too.