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Issue 783767 link

Starred by 1 user
Status: Duplicate
Merged: issue 783648
Owner: ----
Closed: Nov 2017
Cc:
█ alexclarke@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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16% regression in memory.desktop at 514917:515008

Project Member Reported by alexclarke@chromium.org, Nov 10 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Nov 10 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=783767

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=071fd77cb7b4f5371fccfce7ef3904db5ec6c1b3d27d1080e464a3f5a49f679a


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

chromium-rel-win10
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Nov 10 2017

Mergedinto: 783648
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Justin Novosad
  Commit : 5b07996e178c5f4e153e771d48ab839867fa7440
  Date   : Wed Nov 08 23:26:00 2017
  Subject: Reland: Refactor of Canvas2DLayerBridge resource model

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : memory.desktop
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/TrivialBlurAnimationPageSharedPageState
  Change       : 13.58% | 95108157.0 -> 108027867.667

Revision             Result                    N
chromium@514916      95108157 +- 1799269       6      good
chromium@514962      95355227 +- 3518152       6      good
chromium@514985      95675560 +- 1581785       6      good
chromium@514997      95625612 +- 870597        6      good
chromium@515000      94995665 +- 2652555       6      good
chromium@515001      109961059 +- 6148340      6      bad       <--
chromium@515002      107200866 +- 2937085      6      bad
chromium@515003      108218154 +- 629828       6      bad
chromium@515008      108027868 +- 1535264      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=TrivialBlurAnimationPageSharedPageState memory.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963304479625562960


For feedback, file a bug with component Speed>Bisection
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