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Issue metadata

Status: Duplicate
Merged: issue 630669
Owner:
Closed: Jul 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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30.1% regression in smoothness.key_mobile_sites_smooth at 407009:407066

Project Member Reported by primiano@chromium.org, Jul 26 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=631427

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2sbIvAoM


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

android-nexus7v2
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jul 27 2016

Mergedinto: 630669
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : Reenable support for CHROMIUM_set_uniform_location
Author  : bsalomon
Commit description:
  
BUG=skia:5015
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2167303002

Review-Url: https://codereview.chromium.org/2167303002
Commit  : d7bae18c7beda8c3ae6fa95c9c8630f30403b9db
Date    : Thu Jul 21 19:49:30 2016


===== TESTED REVISIONS =====
Revision                         Mean     Std Dev  N  Good?
chromium@407008                  236.767  14.6149  8  good
chromium@407016                  222.235  7.3094   5  good
chromium@407017                  230.909  15.2201  5  good
chromium@407017,skia@2895eeb11a  227.062  9.28237  5  good
chromium@407017,skia@7fbfbbe8f4  230.628  13.74    5  good
chromium@407017,skia@a339bb0d95  222.165  8.20806  5  good
chromium@407017,skia@d7bae18c7b  302.382  10.8828  5  bad    <--
chromium@407018                  340.463  125.717  5  bad
chromium@407020                  288.1    32.5691  5  bad
chromium@407023                  295.187  15.3452  5  bad
chromium@407037                  297.11   17.6889  8  bad
chromium@407066                  290.881  12.8505  5  bad

Bisect job ran on: android_nexus7_perf_bisect
Bug ID: 631427

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests smoothness.key_mobile_sites_smooth
Test Metric: input_event_latency_discrepancy/input_event_latency_discrepancy
Relative Change: 18.71%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus7_perf_bisect/builds/3098
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9006079687334376624


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5906960315056128

| 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 component Tests>AutoBisect.  Thank you!

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