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Issue metadata

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



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41.3%-47.6% regression in sunspider at 455707:455777

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: winx64_10_perf_bisect
  Benchmark    : sunspider
  Metric       : Total/Total
  Change       : 45.95% | 178.383333333 -> 260.35

Revision                           Result                  N
chromium@455707                    178.383 +- 1.16118      6      good
chromium@455717                    179.333 +- 3.37836      6      good
chromium@455719                    177.483 +- 2.4634       6      good
chromium@455719,v8@7c3936c67a      260.0 +- 1.72047        6      bad       <--
chromium@455719,v8@fbffc377e3      260.45 +- 7.0693        6      bad
chromium@455720                    260.5 +- 4.30813        6      bad
chromium@455722                    260.633 +- 3.12943      6      bad
chromium@455727                    260.883 +- 2.10436      6      bad
chromium@455747                    260.35 +- 3.0814        6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests sunspider

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985201790966412976

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5321803087478784


| 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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