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Issue metadata

Status: Duplicate
Merged: issue 596881
Owner:
Last visit > 30 days ago
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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71.6% regression in smoothness.key_mobile_sites_smooth at 382343:382395

Project Member Reported by alexclarke@chromium.org, Mar 22 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=596896

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgkK23oQkM


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

android-galaxy-s5
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Mar 22 2016


===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : Enable GPU Rasterization for content with any author defined viewport.
Author  : vmiura
Commit description:
  
BUG= 591179 

Review URL: https://codereview.chromium.org/1817583003

Cr-Commit-Position: refs/heads/master@{#382394}
Commit  : b338ee0b3125007b94854e44ed7b6df820c72a75
Date    : Mon Mar 21 21:26:30 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@382342         432.4991    32.261134   5           good
chromium@382369         431.658006  15.019569   5           good
chromium@382382         428.164284  56.118586   5           good
chromium@382389         433.498142  33.333719   5           good
chromium@382392         407.753477  21.408909   5           good
chromium@382393         424.96812   28.116488   5           good
chromium@382394         695.722858  13.366954   5           bad
chromium@382395         677.509228  29.313937   5           bad

Bisect job ran on: android_s5_perf_bisect
Bug ID: 596896

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --also-run-disabled-tests smoothness.key_mobile_sites_smooth
Test Metric: input_event_latency_discrepancy/input_event_latency_discrepancy
Relative Change: 56.65%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_s5_perf_bisect/builds/536
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9017477759044578544


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with label Cr-Tests-AutoBisect.  Thank you!
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 22 2016


===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : Enable GPU Rasterization for content with any author defined viewport.
Author  : vmiura
Commit description:
  
BUG= 591179 

Review URL: https://codereview.chromium.org/1817583003

Cr-Commit-Position: refs/heads/master@{#382394}
Commit  : b338ee0b3125007b94854e44ed7b6df820c72a75
Date    : Mon Mar 21 21:26:30 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@382342         405.54032   31.411411   5           good
chromium@382369         427.008235  28.013232   5           good
chromium@382382         436.285418  25.482563   5           good
chromium@382389         439.893992  55.067703   5           good
chromium@382392         419.492502  29.950003   5           good
chromium@382393         432.519049  43.24506    5           good
chromium@382394         649.580246  81.959314   5           bad
chromium@382395         734.956272  48.057098   5           bad

Bisect job ran on: android_s5_perf_bisect
Bug ID: 596896

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --also-run-disabled-tests smoothness.key_mobile_sites_smooth
Test Metric: input_event_latency_discrepancy/input_event_latency_discrepancy
Relative Change: 81.23%
Score: 99.8

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_s5_perf_bisect/builds/535
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9017477776727065632


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with label Cr-Tests-AutoBisect.  Thank you!

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