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Issue metadata

Status: Duplicate
Merged: issue 706731
Owner: ----
Closed: Apr 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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16.5%-25% regression in v8.runtimestats.browsing_desktop_classic at 460342:460541

Project Member Reported by mlippautz@google.com, Apr 6 2017

Issue description

See the link to graphs below.
 
Mergedinto: 706731
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : rmcilroy
  Commit : 124254af04fd234fffa434b8b4380f5056528e3b
  Date   : Wed Mar 29 14:30:55 2017
  Subject: Remove V8Future experiment.

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop_classic
  Metric       : v8-gc-incremental-step_sum/browse_search/browse_search_google
  Change       : 14.29% | 115.305833333 -> 131.779833333

Revision             Result                  N
chromium@460348      115.306 +- 9.57716      6      good
chromium@460369      115.59 +- 21.9223       9      good
chromium@460375      116.159 +- 16.6918      6      good
chromium@460378      110.334 +- 5.73806      6      good
chromium@460379      110.106 +- 8.35201      6      good
chromium@460380      133.493 +- 15.5765      9      bad       <--
chromium@460390      133.405 +- 20.4509      6      bad
chromium@460432      131.78 +- 13.8736       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=browse.search.google v8.runtimestats.browsing_desktop_classic

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983032662030243696

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4629715630948352


| 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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