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Issue 700943 link

Starred by 2 users

Issue metadata

Status: Duplicate
Merged: issue 700833
Owner: ----
Closed: Mar 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression

Blocking:
issue 698746


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Hotlists containing this issue:
I-TF-Launch


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42.1%-58.4% regression in sunspider at 455056:455915

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

Issue description

See the link to graphs below.
 
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    : sunspider
  Metric       : Total/Total
  Change       : 54.07% | 190.55 -> 293.583333333

Revision                           Result                  N
chromium@455713                    190.55 +- 2.23047       6      good
chromium@455718                    189.267 +- 1.85293      6      good
chromium@455719                    188.65 +- 2.04328       6      good
chromium@455719,v8@7c3936c67a      293.917 +- 4.83201      6      bad       <--
chromium@455719,v8@fbffc377e3      293.75 +- 10.9369       6      bad
chromium@455720                    292.95 +- 3.02242       6      bad
chromium@455721                    294.15 +- 2.21246       6      bad
chromium@455723                    292.717 +- 4.95059      6      bad
chromium@455732                    293.767 +- 5.02726      6      bad
chromium@455750                    293.783 +- 4.84854      6      bad
chromium@455787                    293.583 +- 4.5087       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 sunspider

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985223146197974000

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5465836896124928


| 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!

Comment 4 by hjd@chromium.org, Mar 14 2017

Blocking: 698746
Status: Available (was: Duplicate)
Mergedinto: -700364 700833
Status: Duplicate (was: Available)

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