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Issue 620682 link

Starred by 2 users

Issue metadata

Status: WontFix
Owner: ----
Closed: Jun 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3.5% regression in speedometer at 400042:400065

Project Member Reported by nikolaos@chromium.org, Jun 16 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=620682

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg_MmlowsM


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

chromium-rel-mac11
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Jun 16 2016

Cc: zmo@chromium.org
Owner: zmo@chromium.org

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

Hi zmo@chromium.org, the bisect results pointed to your CL below as possibly
causing a regression. Please have a look at this info and see whether
your CL be related.


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


===== SUSPECTED CL(s) =====
Subject : Enable RGB5_A1 format related webgl2 conformance tests.
Author  : zmo
Commit description:
  
BUG= 616176 
TEST=win8 gpu bot
TBR=jmadill@chromium.org
NOTRY=true
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_optional_gpu_tests_rel;tryserver.chromium.mac:mac_optional_gpu_tests_rel;tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2066603006
Cr-Commit-Position: refs/heads/master@{#400061}
Commit  : 6b21579379491b38288d5772d210937b62f2332c
Date    : Thu Jun 16 00:38:06 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@400041  804.13   11.7612  18  good
chromium@400053  809.291  11.3108  18  good
chromium@400059  808.332  10.6469  62  good
chromium@400060  810.571  13.4651  62  good
chromium@400061  817.158  9.47182  41  bad    <--
chromium@400062  816.924  11.0092  27  bad
chromium@400065  822.547  12.9744  18  bad

Bisect job ran on: mac_10_11_perf_bisect
Bug ID: 620682

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests speedometer
Test Metric: jQuery-TodoMVC/jQuery-TodoMVC
Relative Change: 1.62%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/673
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9009704503890354048


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5843798530195456

| 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!

Comment 3 by zmo@chromium.org, Jun 16 2016

Owner: ----
Status: Available (was: Assigned)
Impossible my CL is related. That CL simply enable a few webgl 2 conformance tests on win8 bots.
Status: WontFix (was: Available)
Looks like it's just noise.

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