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Issue 650613 link

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Issue metadata

Status: WontFix
Owner:
Last visit > 30 days ago
Closed: Oct 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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21.5% regression in v8.browsing_desktop_ignition at 418071:418167

Project Member Reported by hpayer@chromium.org, Sep 27 2016

Issue description

See the link to graphs below.
 

Comment 1 by hpayer@chromium.org, Sep 27 2016

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=650613

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-Y388QoM


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

win-zenbook
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Sep 27 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@418070  13.0725  0.65044   18  good
chromium@418167  13.4225  0.572147  18  bad

Bisect job ran on: winx64_zen_perf_bisect
Bug ID: 650613

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests v8.browsing_desktop_ignition
Test Metric: v8-gc-latency-mark-compactor_avg/v8-gc-latency-mark-compactor_avg
Relative Change: 4.81%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64_zen_perf_bisect/builds/496
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9000367441091515840


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5814812955639808

| 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!

===== 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@418000  12.9366  0.486993  18  good
chromium@418200  12.9526  0.511972  18  bad

Bisect job ran on: winx64_zen_perf_bisect
Bug ID: 650613

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests v8.browsing_desktop_ignition
Test Metric: v8-gc-latency-mark-compactor_avg/v8-gc-latency-mark-compactor_avg
Relative Change: 0.96%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64_zen_perf_bisect/builds/526
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8999658128371739808


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6178159773351936

| 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 6 by hpayer@chromium.org, Oct 11 2016

Status: WontFix (was: Assigned)
Black allocation got disabled.

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