All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=732313

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5sPG-wsM


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

chromium-rel-win7-gpu-ati

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8977001732265182352

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

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : loading.desktop
  Metric       : cpuTimeToFirstMeaningfulPaint_avg/pcv1-warm/TheOnion

Revision             Result                  N
chromium@476891      666.966 +- 641.666      21      good
chromium@476897      749.519 +- 507.8        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=TheOnion loading.desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977001732265182352

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5035393130430464


| 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!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976993017190019296

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976992475705160672

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

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : loading.desktop
  Metric       : cpuTimeToFirstMeaningfulPaint_avg/pcv1-warm/TheOnion

Revision             Result                  N
chromium@476891      736.352 +- 574.608      21      good
chromium@476897      732.074 +- 458.383      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=TheOnion loading.desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976993017190019296

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5035393130430464


| 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 : yoav
  Commit : 1f18863cc9b2a5fe463671f3eb60de2f95bbf283
  Date   : Sat Jun 03 00:20:44 2017
  Subject: [preload] Mandatory `as` value and related spec alignments

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : loading.desktop
  Metric       : cpuTimeToFirstMeaningfulPaint_avg/pcv1-warm/TheOnion
  Change       : 123.39% | 310.238222222 -> 693.050333333

Revision             Result                  N
chromium@476800      310.238 +- 407.651      9      good
chromium@476825      248.75 +- 161.221       6      good
chromium@476838      325.6 +- 437.457        9      good
chromium@476839      282.861 +- 213.989      6      good
chromium@476840      775.902 +- 130.294      6      bad       <--
chromium@476841      710.783 +- 288.893      6      bad
chromium@476844      773.933 +- 138.676      6      bad
chromium@476850      624.187 +- 336.198      9      bad
chromium@476900      693.05 +- 194.889       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 --story-filter=TheOnion loading.desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976992475705160672

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6386505418801152


| 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!