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Issue metadata

Status: Fixed
Owner:
Closed: Jul 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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27.3% regression in v8.runtimestats.browsing_mobile at 481489:481654

Project Member Reported by ulan@google.com, Jun 27 2017

Issue description

See the link to graphs below.
 

Comment 2 by u...@chromium.org, Jun 28 2017

Status: Untriaged (was: Assigned)
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 28 2017


=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : v8-gc-scavenger_sum/browse_tech/browse_tech_discourse_infinite_scroll
  Change       : 5.07% | 417.495 -> 434.467785714

Suspected Commit Range
  10 commits in range
  https://chromium.googlesource.com/chromium/src/+log/cbbf1c73bae64dc528a052c38830b6e6956db048..c720f732a04af33d6b69426df778ab57e0f082d5


Revision             Result                  N
chromium@481488      417.495 +- 48.131       14       good
chromium@481528      423.768 +- 57.8193      21       good
chromium@481550      421.671 +- 68.5141      14       good
chromium@481563      421.224 +- 86.7054      21       good
chromium@481566      424.613 +- 63.2887      21       good
chromium@481567      ---                     ---      build failure
chromium@481568      ---                     ---      build failure
chromium@481569      ---                     ---      build failure
chromium@481570      ---                     ---      build failure
chromium@481571      ---                     ---      build failure
chromium@481572      ---                     ---      build failure
chromium@481573      ---                     ---      build failure
chromium@481574      ---                     ---      build failure
chromium@481575      ---                     ---      build failure
chromium@481576      443.031 +- 79.7519      14       bad
chromium@481654      434.468 +- 63.1111      14       bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --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/8975636023976167696

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6387778255847424


| 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 4 by sheriffbot@chromium.org, Jul 12 2017

Labels: Hotlist-Google

Comment 6 by u...@chromium.org, Jul 24 2017

Status: Fixed (was: Untriaged)

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