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Issue 701048 link

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Issue metadata

Status: Duplicate
Merged: issue 700364
Owner: ----
Closed: Mar 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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13.5% regression in octane at 455714:455787

Project Member Reported by hjd@chromium.org, Mar 13 2017

Issue description

See the link to graphs below.
 

Comment 1 by hjd@chromium.org, Mar 13 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=701048

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtOrf7AgM


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

chromium-rel-win7-dual
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 13 2017

Mergedinto: 700364
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Michael Hablich
  Commit : 7c3936c67a6361371d9a00d83e2c03ecc603ce76
  Date   : Thu Mar 09 08:05:42 2017
  Subject: Version 5.9.34.1 (Turn on I+TF)

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : octane
  Metric       : Total/Score
  Change       : 13.21% | 30588.6666667 -> 26549.1666667

Revision                           Result                  N
chromium@455713                    30588.7 +- 469.799      6      good
chromium@455718                    30342.7 +- 820.107      6      good
chromium@455719                    30318.8 +- 1347.83      6      good
chromium@455719,v8@7c3936c67a      26843.8 +- 806.912      6      bad       <--
chromium@455719,v8@fbffc377e3      26954.5 +- 699.68       6      bad
chromium@455720                    26731.8 +- 772.107      6      bad
chromium@455721                    26921.3 +- 1000.22      6      bad
chromium@455723                    26369.0 +- 701.24       6      bad
chromium@455732                    26532.8 +- 1264.03      6      bad
chromium@455750                    26632.3 +- 830.007      6      bad
chromium@455787                    26549.2 +- 1163.38      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 octane

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985208271279062720

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5483463978778624


| 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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