All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=758978

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=a4c52509efcadf408d49e10b9a07af18376c29d03e6a0dcfb4b015d2d3f45b4e


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

chromium-rel-win10

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970284982038128720

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

Suspected Commit
  Author : Nico Weber
  Commit : 7cd2f6bd73c6a9c6200704e995b18ebb3168ead6
  Date   : Sat Aug 19 04:23:54 2017
  Subject: win: Turn off clang-by-default again for now.

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : memory.desktop
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:proportional_resident_size_avg/TrivialBlinkingCursorPageSharedPageState
  Change       : 19.38% | 73204231.8333 -> 87390295.0

Revision             Result                   N
chromium@495784      73204232 +- 2714141      6      good
chromium@495796      74418310 +- 3270034      6      good
chromium@495799      73358630 +- 3090103      6      good
chromium@495801      72463780 +- 968214       6      good
chromium@495802      87370507 +- 2964308      6      bad       <--
chromium@495808      87390295 +- 2875252      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=TrivialBlinkingCursorPageSharedPageState memory.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970284982038128720


For feedback, file a bug with component Speed>Bisection