New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 733109 link

Starred by 3 users

Issue metadata

Status: Archived
Owner:
Last visit > 30 days ago
Closed: Jan 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

18.8%-101.3% regression in v8.browsing_mobile at 478622:478682

Project Member Reported by mlippautz@google.com, Jun 14 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Jun 16 2017

Cc: hpayer@chromium.org
Owner: hpayer@chromium.org

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

Hi hpayer@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : hpayer
  Commit : 07b7d7206ac49997077bdff37e42fec71e492149
  Date   : Mon Jun 12 11:37:15 2017
  Subject: [heap] Scale max heap growing factor.

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : v8-gc-incremental-finalize_sum/browse_tech/browse_tech_discourse_infinite_scroll

Revision                           Result                   N
chromium@478650                    4.065 +- 5.98471         9      good
chromium@478650,v8@f555a6922d      3.321 +- 0.508989        6      good
chromium@478650,v8@07b7d7206a      8.8004 +- 5.29658        5      bad       <--
chromium@478650,v8@1d0a582440      10.2308 +- 6.15587       6      bad
chromium@478651                    7.795 +- 3.75614         9      bad
chromium@478652                    7.94178 +- 6.79566       9      bad
chromium@478654                    7.60967 +- 2.29328       9      bad
chromium@478658                    8.354 +- 6.18697         9      bad
chromium@478666                    7.12433 +- 0.908331      9      bad
chromium@478682                    8.54817 +- 4.08703       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 --story-filter=browse.tech.discourse.infinite.scroll v8.runtimestats.browsing_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976832901312301392

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4927598712324096


| 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!
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 16 2017

 Issue 733110  has been merged into this issue.
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Jun 18 2017

Cc: tebbi@chromium.org
 Issue 733263  has been merged into this issue.
Project Member

Comment 5 by sheriffbot@chromium.org, Jul 12 2017

Labels: Hotlist-Google
Status: Archived (was: Untriaged)

Sign in to add a comment