All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=783869

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=94603abf4d5f019ec1709d81604e9947b64049dfcdefe9499b89f81613c44a31


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

chromium-rel-win8-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8963286284406718656

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

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : media.desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/video.html?src_tulip2.m4a_type_audio

Revision             Result                  N
chromium@515078      3925867 +- 3773649      21      good
chromium@515125      3326699 +- 4799581      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=video.html.src.tulip2.m4a.type.audio media.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963286284406718656


For feedback, file a bug with component Speed>Bisection

Graph is up and down recently. May just be noise. Will run another bisect with wider range.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8963268477169942736

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

Suspected Commit
  Author : Zhenyao Mo
  Commit : 1202f66559ca7e37f643a691cac72144ab60493f
  Date   : Thu Nov 09 00:45:05 2017
  Subject: [reland] Move GPU compositing blacklisting to GPU process.

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : media.desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/video.html?src_tulip2.m4a_type_audio
  Change       : 62.74% | 2228224.0 -> 3626282.66667

Revision             Result                  N
chromium@514780      2228224 +- 0.0          9      good
chromium@514966      2228224 +- 0.0          9      good
chromium@515013      2228224 +- 0.0          9      good
chromium@515025      2228224 +- 0.0          6      good
chromium@515031      2228224 +- 0.0          6      good
chromium@515034      2228224 +- 0.0          6      good
chromium@515035      2228224 +- 0.0          6      good
chromium@515036      3975797 +- 1914371      6      bad       <--
chromium@515059      3626283 +- 2965730      9      bad
chromium@515152      3975797 +- 1914371      6      bad
chromium@515524      3626283 +- 2421509      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=video.html.src.tulip2.m4a.type.audio media.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963268477169942736


For feedback, file a bug with component Speed>Bisection