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Issue 746233 link

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Issue metadata

Status: Duplicate
Merged: issue 737981
Owner: ----
Closed: Jul 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.3%-204.8% regression in system_health.common_desktop at 482763:483076

Project Member Reported by toyoshim@chromium.org, Jul 19 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jul 19 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=746233

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=7fe315aea34c181a26c478eca38d756823042bc4bf46cc60a834ec8aa458c931


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

android-nexus5
android-nexus5X
android-nexus6
android-nexus7v2
android-webview-nexus5X
chromium-rel-mac-retina
chromium-rel-mac11
chromium-rel-mac12
chromium-rel-mac12-mini-8gb
chromium-rel-win10
chromium-rel-win7-dual
chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-intel
chromium-rel-win7-gpu-nvidia
chromium-rel-win7-x64-dual
chromium-rel-win8-dual
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jul 19 2017

Mergedinto: 737981
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Christopher Cameron
  Commit : 1894d423068be735560e0171922c833c4091b5d1
  Date   : Wed Jun 28 06:31:03 2017
  Subject: color: Enable color correct rendering by default

Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : cpu_time_percentage_avg/load_games/load_games_bubbles
  Change       : 211.61% | 0.249649512504 -> 0.777930680008

Revision             Result                     N
chromium@482884      0.24965 +- 0.0214864       6      good
chromium@482899      0.252978 +- 0.0205953      6      good
chromium@482902      0.248027 +- 0.0525984      6      good
chromium@482903      0.242201 +- 0.054626       6      good
chromium@482904      0.7787 +- 0.08407          6      bad       <--
chromium@482905      0.762112 +- 0.0704508      6      bad
chromium@482913      0.739227 +- 0.270608       6      bad
chromium@482941      0.777931 +- 0.0926833      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=load.games.bubbles system_health.common_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973653010700768432


For feedback, file a bug with component Speed>Bisection

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