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Issue metadata

Status: Fixed
Owner:
Closed: Mar 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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23.3% regression in blink_perf.canvas at 380063:380084

Project Member Reported by rmcilroy@chromium.org, Mar 10 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=593677

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDA_5TeoAoM


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

chromium-rel-win7-gpu-ati
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Mar 10 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 Value  Std. Dev.   Num Values  Good?
chromium@380062         337.640309  19.782632   26          good
chromium@380084         333.721701  23.917089   27          bad

Bisect job ran on: winx64ati_perf_bisect
Bug ID: 593677

Test Command: python src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --also-run-disabled-tests blink_perf.canvas
Test Metric: upload-video-to-sub-texture/upload-video-to-sub-texture
Relative Change: 1.29%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64ati_perf_bisect/builds/1284
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9018581084832888528


| 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 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 Value  Std. Dev.   Num Values  Good?
chromium@380062         329.952251  24.047083   27          good
chromium@380084         335.212317  19.46946    27          bad

Bisect job ran on: winx64ati_perf_bisect
Bug ID: 593677

Test Command: python src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --also-run-disabled-tests blink_perf.canvas
Test Metric: upload-video-to-sub-texture/upload-video-to-sub-texture
Relative Change: 4.03%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64ati_perf_bisect/builds/1288
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9018465831341036896


| 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!
Status: Fixed (was: Assigned)
Regression has recovered.

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