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Issue 753990 link

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Issue metadata

Status: WontFix
Owner:
Closed: Aug 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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6.2%-12.7% regression in smoothness.tough_animation_cases at 491758:491942

Project Member Reported by primiano@chromium.org, Aug 9 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=753990

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=67fd458d5796b19542959f4e2fcd074562a1218365e6ebde55ce14c942ca8569


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

chromium-rel-win10
chromium-rel-win7-dual
chromium-rel-win7-gpu-intel
chromium-rel-win7-gpu-nvidia
chromium-rel-win7-x64-dual
Cc: k...@chromium.org
Owner: k...@chromium.org
Status: Assigned (was: Untriaged)

=== Auto-CCing suspected CL author krb@chromium.org ===

Hi krb@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : Kevin Bailey
  Commit : 3cda6c9c7ee5274ea800bce409691a15a949fc2c
  Date   : Thu Aug 03 23:20:18 2017
  Subject: [omnibox] Select-all after revert-all, in more cases

Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : smoothness.tough_animation_cases
  Metric       : frame_times/balls_svg_animations.html
  Change       : 11.38% | 59.4350731915 -> 66.1982230253

Revision             Result                   N
chromium@491817      59.4351 +- 1.29502       6      good
chromium@491849      59.0804 +- 1.69408       6      good
chromium@491865      58.9055 +- 1.10226       6      good
chromium@491873      58.8642 +- 0.558013      6      good
chromium@491874      65.6221 +- 1.04546       6      bad       <--
chromium@491875      66.1934 +- 0.97139       6      bad
chromium@491877      66.4636 +- 0.943922      6      bad
chromium@491880      65.757 +- 1.0377         6      bad
chromium@491942      66.1982 +- 1.21952       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=balls.svg.animations.html smoothness.tough_animation_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8971703091399474432


For feedback, file a bug with component Speed>Bisection

Comment 4 by k...@chromium.org, Aug 10 2017

Status: WontFix (was: Assigned)
https://bugs.chromium.org/p/chromium/issues/detail?id=739303#c18

Comment 5 by k...@chromium.org, Aug 10 2017

That should say, "Please see ..."

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