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Issue 681589 link

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Issue metadata

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



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7.9% regression in memory.top_10_mobile_stress at 443349:443443

Project Member Reported by nzolghadr@chromium.org, Jan 16 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=681589

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgoNProwoM


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

android-nexus7v2
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jan 16 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_nexus7_perf_bisect
  Benchmark    : memory.top_10_mobile_stress
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/foreground/http_yandex_ru_touchsearch_text_science
  Change       : 5.05% | 10244793.4286 -> 10761748.4444

Suspected Commit Range
  2 commits in range
  https://chromium.googlesource.com/v8/v8.git/+log/2bca05685f6d7302124a54a2b1028cbad8f2c7b3..81c62e070b8656432899fc17b46b882bfcf1d59a


Revision                           Result                   N
chromium@443349                    10244793 +- 700387       14       good
chromium@443396                    10285639 +- 844922       14       good
chromium@443399                    10210871 +- 884898       14       good
chromium@443400                    10254650 +- 1113238      14       good
chromium@443400,v8@2bca05685f      10261642 +- 805783       14       good
chromium@443400,v8@b8294aaa97      ---                      ---      build failure
chromium@443400,v8@81c62e070b      10632615 +- 1656043      21       bad
chromium@443400,v8@9884fb91e1      10802385 +- 723697       14       bad
chromium@443400,v8@aa75904e3c      10793110 +- 583510       9        bad
chromium@443401                    10769559 +- 731504       9        bad
chromium@443402                    10683524 +- 863602       9        bad
chromium@443408                    10891841 +- 70971.6      6        bad
chromium@443420                    10712502 +- 1008833      14       bad
chromium@443443                    10761748 +- 812051       9        bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

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=http.yandex.ru.touchsearch.text.science memory.top_10_mobile_stress

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8990294581955445376

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5830530110586880


| 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 Tests>AutoBisect.  Thank you!
Status: WontFix (was: Untriaged)
This alert was found before M-60 branched. Closing as WontFix as this is believed to either be invalid or non-reproducible.

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