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Issue 690838 link

Starred by 1 user
Status: Duplicate
Merged: issue 690837
Owner: ----
Closed: Feb 2017
Cc:
cbruni@chromium.org
hablich@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.8%-56.3% regression in v8.runtime_stats.top_25 at 448226:448378

Project Member Reported by hablich@chromium.org, Feb 10 2017 
See the link to graphs below.

Comment 1 by hablich@chromium.org, Feb 10 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=690838

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6NWtlggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6N6OtwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6KiP2AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmPiopAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6NKl8AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6KG01ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6OXW9gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6MrZ-wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6JvnpAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6LzUoAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6N2qnwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqPue7gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqNnnmQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqOXo5QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6M7euAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6Ljn5wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6M7KqQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6ISEpAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6N-RsAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6Mao5woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6P35twkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6IiayAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6KWBvAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6P2KuwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6PvPowkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6OjN_QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6Lai7wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6N2l4AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6IXw_QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqIeN7QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6I7x9wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqJjS1AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6LXArgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6IvjswsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6J7h_QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqN3ArAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6L3x7AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqP_q7QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6PKKpwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6Lai7woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6Myn5AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6JuO8QgM


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

chromium-rel-mac-retina
chromium-rel-mac11
chromium-rel-mac11-air
chromium-rel-mac11-pro
chromium-rel-mac12
linux-release
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 10 2017

Mergedinto: 690837
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : ishell
  Commit : 8f2245bf9995d00ea74f9083dca40b08e2e49943
  Date   : Mon Feb 06 10:41:12 2017
  Subject: [ic] Fix StoreIC_SlowSloppy/Strict builtins.

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : v8.runtime_stats.top_25
  Metric       : IC:count_avg/http___pollouer.muc_Speedometer_CustomRunner.html?vanilla
  Change       : 47.84% | 1449.0 -> 2142.16666667

Revision                           Result                  N
chromium@448245                    1449.0 +- 0.0           6      good
chromium@448250                    1449.0 +- 0.0           6      good
chromium@448252                    1480.0 +- 169.794       6      good
chromium@448253                    1479.5 +- 170.363       6      good
chromium@448253,v8@b69b24a2a2      1513.17 +- 215.409      6      good
chromium@448253,v8@01c2b45560      1451.67 +- 3.65148      6      good
chromium@448253,v8@8f2245bf99      2273.67 +- 716.795      6      bad       <--
chromium@448253,v8@b049d1a598      2142.83 +- 6.06905      6      bad
chromium@448253,v8@d6f76908c8      2142.17 +- 4.98331      6      bad
chromium@448254                    2273.67 +- 716.795      6      bad
chromium@448262                    2141.17 +- 6.23164      6      bad
chromium@448279                    2142.17 +- 4.98331      6      bad
chromium@448312                    2273.67 +- 716.795      6      bad
chromium@448378                    2142.17 +- 4.98331      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...pollouer.muc.Speedometer.CustomRunner.html.vanilla v8.runtime_stats.top_25

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8988053256302504976

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5270128666607616


| 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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