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Issue 700833 link

Starred by 3 users

Issue metadata

Status: WontFix
Merged: issue 700364
Owner: ----
Closed: Mar 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression

Blocking:
issue 698746


Participants' hotlists:
I-TF-Launch


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48.8% regression in sunspider (chromeperf) at 455679:455721

Project Member Reported by hablich@chromium.org, Mar 13 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=700833

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1PK_rQoM


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

android-webview-nexus6
Blocking: 698746
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Mar 13 2017

Mergedinto: 700364
Status: Duplicate (was: Untriaged)

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Michael Hablich
  Commit : 7c3936c67a6361371d9a00d83e2c03ecc603ce76
  Date   : Thu Mar 09 08:05:42 2017
  Subject: Version 5.9.34.1 (Turn on I+TF)

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : sunspider
  Metric       : Total/Total
  Change       : 46.95% | 900.85 -> 1323.83333333

Revision                           Result                  N
chromium@455678                    900.85 +- 12.0015       6      good
chromium@455700                    894.867 +- 14.5922      6      good
chromium@455711                    895.917 +- 8.77088      6      good
chromium@455716                    899.2 +- 7.9511         6      good
chromium@455719                    896.5 +- 5.43507        6      good
chromium@455719,v8@7c3936c67a      1323.22 +- 12.555       6      bad       <--
chromium@455719,v8@fbffc377e3      1331.48 +- 22.402       6      bad
chromium@455720                    1331.87 +- 21.5605      6      bad
chromium@455721                    1323.83 +- 22.2017      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests sunspider

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985244201846847216

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4973147037630464


| 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 Speed>Bisection.  Thank you!
Cc: hjd@chromium.org
 Issue 700943  has been merged into this issue.
Status: WontFix (was: Duplicate)

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