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Issue 619311 link

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Issue metadata

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



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3.8%-4.7% regression in speedometer at 398665:398767

Project Member Reported by hablich@chromium.org, Jun 11 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=619311

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgvPr1vQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgvLmwrgoM


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

android-nexus5
chromium-rel-win7-single
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Jun 11 2016


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


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@398756  11936.8  258.753  18  good
chromium@398765  11815.5  246.912  18  bad

Bisect job ran on: android_nexus5_perf_bisect
Bug ID: 619311

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests speedometer
Test Metric: EmberJS-TodoMVC/EmberJS-TodoMVC
Relative Change: 2.18%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5_perf_bisect/builds/3736
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9010136315826362080


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5882461020487680

| 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!
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 13 2016


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


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@398664  620.761  4.06404  18  good
chromium@398767  620.673  2.95577  18  bad

Bisect job ran on: win_perf_bisect
Bug ID: 619311

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests speedometer
Test Metric: AngularJS-TodoMVC/AngularJS-TodoMVC
Relative Change: 0.14%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/win_perf_bisect/builds/6586
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9009984327692126288


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5816141088292864

| 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!
Status: WontFix (was: Assigned)

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