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Issue 705362 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Mar 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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29.9% regression in page_cycler_v2.typical_25 at 456448:456561

Project Member Reported by toyoshim@chromium.org, Mar 27 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=705362

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7MCLpQoM


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

chromium-rel-win7-dual
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 27 2017


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : page_cycler_v2.typical_25
  Metric       : timeToFirstContentfulPaint_avg/pcv1-cold/http___www.ticketmaster.com_JAY-Z-and-Justin-Timberlake-tickets_artist_1837448?brand_none_tm_link_tm_homeA_rc_name2

Revision             Result                  N
chromium@456447      1287.94 +- 3296.69      21      good
chromium@456561      1172.46 +- 868.161      21      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...www.ticketmaster.com.JAY.Z.and.Justin.Timberlake.tickets.artist.1837448.brand.none.tm.link.tm.homeA.rc.name2 page_cycler_v2.typical_25

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983991588358313792

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5231936114524160


| 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!
Status: WontFix (was: Untriaged)
it seems to be back to the previous level at r459693. So this could be due to noise.
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Apr 11 2017


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : page_cycler_v2.typical_25
  Metric       : timeToFirstContentfulPaint_avg/pcv1-cold/http___www.ticketmaster.com_JAY-Z-and-Justin-Timberlake-tickets_artist_1837448?brand_none_tm_link_tm_homeA_rc_name2

Revision             Result                  N
chromium@456447      1172.98 +- 819.557      21      good
chromium@456561      1108.24 +- 594.843      21      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...www.ticketmaster.com.JAY.Z.and.Justin.Timberlake.tickets.artist.1837448.brand.none.tm.link.tm.homeA.rc.name2 page_cycler_v2.typical_25

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982651575034282112

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5231936114524160


| 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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