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Issue 844613 link

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Issue metadata

Status: WontFix
Owner:
Closed: May 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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25.9%-36.7% regression in blink_perf.shadow_dom at 558310:558654

Project Member Reported by npm@chromium.org, May 18 2018

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, May 18 2018

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=844613

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=77f5fe9d868bdc92121bfe3d5d47f9847948da2b0ada377751cfd2df0b496fa6


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

android-nexus5
android-one
chromium-rel-win7-dual
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, May 21 2018

Cc: bpastene@chromium.org cy...@yandex-team.ru rsleevi@chromium.org tkent@chromium.org hayato@chromium.org maxlg@chromium.org
Owner: tkent@chromium.org
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 6 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/12e48914240000

[UserTimingL3] performance.mark API returns mark entry by maxlg@chromium.org
https://chromium.googlesource.com/chromium/src/+/7ed5e122b1f7cf16fc0ddec769d493c76db1e679

Run the cros vm sanity test on the fyi cros vm bot. by bpastene@chromium.org
https://chromium.googlesource.com/chromium/src/+/9cba3376c389e164353cf417e70b926b86eea095

Make IncrementalShadowDOM flag experimental by hayato@chromium.org
https://chromium.googlesource.com/chromium/src/+/a3ccb45d759abb72542e94443c139148672685ad

Fix dcheck in network_quality_estimator by cypt4@yandex-team.ru
https://chromium.googlesource.com/chromium/src/+/d7f1662fbdcd8664dd6ce365784359219888d485

Enforce Certificate Transparency for certs issued after April 2018 by rsleevi@chromium.org
https://chromium.googlesource.com/chromium/src/+/e5574e08d3fb5898a8712862e1aa1a4438fe28f4

bindings: Qualify #includes in generated V8GeneratedCoreBindings.cpp, initPartialInterfacesInModules.cpp, and V8ContextSnapshotExternalReferences.cpp. by tkent@chromium.org
https://chromium.googlesource.com/chromium/src/+/2bec680de8c29b3ad012f50d638a17b2318748dc

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

Comment 4 by tkent@chromium.org, May 21 2018

Cc: -tkent@chromium.org
Components: Blink>DOM>ShadowDOM
Owner: hayato@chromium.org
My CL doesn't affect any binaries. IncrementalShadowDOM CL looks suspicious.

Comment 5 by hayato@chromium.org, May 21 2018

Status: WontFix (was: Assigned)
These are expected improvement by IncrementalShadowDOM.

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