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Issue metadata

Status: Duplicate
Merged: issue 733232
Owner:
Closed: Jun 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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19%-47.4% regression in v8.runtimestats.browsing_mobile_classic at 473831:473914

Project Member Reported by tebbi@chromium.org, Jun 14 2017

Issue description

See the link to graphs below.
 
Owner: tebbi@chromium.org
Status: Assigned (was: Untriaged)
Assigning to performance sheriff.
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Jun 18 2017

Mergedinto: 733232
Status: Duplicate (was: Assigned)

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

Suspected Commit
  Author : Mythri
  Commit : c4b187baa608b68be91c193c4dc166d65b5e4943
  Date   : Tue May 23 09:25:46 2017
  Subject: [Turbofan] Increase max_inlined_nodes to 230.

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : Optimize:duration_avg/browse_media/browse_media_facebook_photos
  Change       : 39.71% | 322.987 -> 451.248333333

Revision                           Result                  N
chromium@473878                    322.987 +- 35.8924      6      good
chromium@473878,v8@e1b4b405b1      311.088 +- 22.6319      6      good
chromium@473878,v8@c4b187baa6      490.037 +- 100.344      6      bad       <--
chromium@473879                    466.717 +- 50.1992      6      bad
chromium@473880                    471.631 +- 39.1754      6      bad
chromium@473881                    454.109 +- 46.7469      6      bad
chromium@473883                    458.358 +- 55.8669      6      bad
chromium@473887                    450.055 +- 37.8327      6      bad
chromium@473896                    475.378 +- 47.882       6      bad
chromium@473914                    451.248 +- 33.9469      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.media.facebook.photos v8.runtimestats.browsing_mobile_classic

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976623073486141760

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5886646320365568


| 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!

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