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Issue 848773 link

Starred by 1 user
Status: WontFix
Owner:
yiyix@chromium.org
Closed: Jun 2018
Cc:
█ pmeenan@chromium.org
yiyix@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.6%-3.4% regression in smoothness.key_silk_cases at 560611:560675

Project Member Reported by pmeenan@chromium.org, Jun 1 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jun 1 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=848773

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=e93ee588a5f754b12e7f9c07452460f20cdfa81c4c0903cca7c23063c672bd15


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

android-nexus5
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 1 2018

Cc: yiyix@chromium.org
Owner: yiyix@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/12a91a66240000

Fix regression in thread_times.key_mobile_sites_smooth by yiyix@chromium.org
https://chromium.googlesource.com/chromium/src/+/be2578711ee47f8b8a5ba8b15108dedb50a27367
17.49 → 17.98 (+0.4905)

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

Comment 4 by yiyix@chromium.org, Jun 11 2018

Status: WontFix (was: Assigned)
the improvement was due to this cl, https://chromium-review.googlesource.com/c/chromium/src/+/1029733 and it has cause more 20 regression in other metrics. the cl mentioned here, has fixed those regressions and  smoothness.top_25_smooth timing is back to the point before the fake improvement. No bug.
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