All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=718789

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg8sbhgQsM


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

chromium-rel-win7-gpu-nvidia

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980440174372470384

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980440168437923936

=== 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: winx64nvidia_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : putImageData/putImageData
  Change       : 58.88% | 1097.22431144 -> 451.158113342

Revision             Result                  N
chromium@468763      1097.22 +- 158.426      6      good
chromium@468764      432.743 +- 35.4251      6      bad       <--
chromium@468765      438.978 +- 52.3738      6      bad
chromium@468766      430.712 +- 46.2837      6      bad
chromium@468769      439.807 +- 47.9019      6      bad
chromium@468774      448.924 +- 60.1069      6      bad
chromium@468785      450.217 +- 37.9162      6      bad
chromium@468806      451.126 +- 52.4232      6      bad
chromium@468848      451.158 +- 109.571      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/8980440168437923936

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4932070419202048


| 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: winx64nvidia_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : putImageData/putImageData
  Change       : 62.39% | 1083.80662988 -> 407.641646603

Revision             Result                  N
chromium@468763      1083.81 +- 94.4319      6      good
chromium@468764      447.872 +- 15.4158      6      bad       <--
chromium@468765      435.082 +- 54.2909      6      bad
chromium@468766      442.228 +- 21.1841      6      bad
chromium@468769      435.69 +- 15.3478       6      bad
chromium@468774      440.324 +- 85.0467      6      bad
chromium@468785      441.089 +- 108.315      6      bad
chromium@468806      463.771 +- 19.8307      6      bad
chromium@468848      407.642 +- 153.717      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/8980440174372470384

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5323247987458048


| 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!