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Issue metadata

Status: Duplicate
Merged: issue 706731
Owner: ----
Closed: Mar 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3%-16470.7% regression in v8.runtimestats.browsing_mobile_classic at 460370:460470

Project Member Reported by tebbi@chromium.org, Mar 30 2017

Issue description

See the link to graphs below.
 

Comment 1 by tebbi@chromium.org, Mar 30 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=706730

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnO66pQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7KrmnwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnMnmoQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnLqxoAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnJ6ppwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7KfijAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnJ72ugoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnOiy8gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnKyt7wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnLHl7wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnISPrwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7L2S2QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7NOusQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnLy1owoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnOzU8QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7IO24AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7P2wvAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnJHfuAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7NPyoAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnMCG4wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnMCG4wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7P_b7goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnPjW5QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7IGG3gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7IGG3goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnNyyvwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7PWdvQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnMmtqQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnMnxsAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnKSeogkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnLz6rQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnMC_5woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7NPyoAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnLzhvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7L-q5AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7NegvQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnLz6rQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnOzU8QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnInFuwkM


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

android-nexus5
android-nexus7v2
android-webview-nexus5X
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 30 2017

Mergedinto: 706731
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : rmcilroy
  Commit : 124254af04fd234fffa434b8b4380f5056528e3b
  Date   : Wed Mar 29 14:30:55 2017
  Subject: Remove V8Future experiment.

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : Optimize:duration_avg/browse_news/browse_news_qq
  Change       : 16808.79% | 1.1485 -> 194.1975

Revision             Result                    N
chromium@460369      1.1485 +- 0.0603283       6      good
chromium@460378      1.04983 +- 0.150276       6      good
chromium@460379      1.21167 +- 0.0697949      6      good
chromium@460380      189.787 +- 5.24539        6      bad       <--
chromium@460381      198.913 +- 46.4661        6      bad
chromium@460383      192.18 +- 11.6586         6      bad
chromium@460387      193.441 +- 15.8128        6      bad
chromium@460405      194.198 +- 9.54673        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.news.qq v8.runtimestats.browsing_mobile_classic

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983711331778489312

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5269704010104832


| 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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