All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=718773

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgivrCvAoM


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

win-high-dpi

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980442153854926432

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980442072695965568

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

Suspected Commit
  Author : zakerinasab
  Commit : 4c4a925b1a047a296b7962566ff63918f3eba1c4
  Date   : Tue May 02 20:34:28 2017
  Subject: Add performance test for ImageData.dataUnion

Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : drawimage-not-pixelaligned/drawimage-not-pixelaligned
  Change       : 81.18% | 8364.37672836 -> 1573.85803926

Revision             Result                  N
chromium@468763      8364.38 +- 250.631      6      good
chromium@468764      1605.27 +- 74.9175      6      bad       <--
chromium@468765      1630.44 +- 31.6593      6      bad
chromium@468766      1636.37 +- 24.5274      6      bad
chromium@468768      1628.29 +- 48.3084      6      bad
chromium@468773      1628.14 +- 23.4228      6      bad
chromium@468782      1573.86 +- 221.152      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 blink_perf.canvas

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980442072695965568

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6180839089504256


| 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!

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

Suspected Commit
  Author : zakerinasab
  Commit : 4c4a925b1a047a296b7962566ff63918f3eba1c4
  Date   : Tue May 02 20:34:28 2017
  Subject: Add performance test for ImageData.dataUnion

Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : drawimage-not-pixelaligned/drawimage-not-pixelaligned
  Change       : 81.16% | 8442.44607174 -> 1590.68557846

Revision             Result                  N
chromium@468663      8442.45 +- 82.359       6      good
chromium@468723      8325.6 +- 346.622       6      good
chromium@468753      8392.75 +- 231.871      6      good
chromium@468761      8376.35 +- 132.012      6      good
chromium@468763      8461.99 +- 118.689      6      good
chromium@468764      1622.15 +- 36.0994      6      bad       <--
chromium@468765      1624.02 +- 18.4084      6      bad
chromium@468768      1635.84 +- 26.2747      6      bad
chromium@468782      1590.69 +- 180.479      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 blink_perf.canvas

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980442153854926432

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5841124138156032


| 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!