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Issue 872157 link

Starred by 1 user
Status: Fixed
Owner:
verwa...@chromium.org
Closed: Sep 17
Cc:
verwa...@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.5%-1.8% regression in system_health.memory_mobile at 580386:580423

Project Member Reported by toyoshim@chromium.org, Aug 8 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Aug 8 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=872157

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=e972693c6c83008f690d7f719c8e8d6b82b58d8651abbb85471507011b81f6ff


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

Android Nexus5X WebView Perf
Android Nexus6 WebView Perf
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Aug 10

Cc: verwa...@chromium.org
Owner: verwa...@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/16e28994640000

[scanner] Decode utf8 as chunks come in to utf16, allowing unbuffered streaming by verwaest@chromium.org
https://chromium.googlesource.com/v8/v8/+/928e7b2973feb8a8b82b4405c29570553cc1d33b
2.926e+07 → 2.972e+07 (+4.599e+05)

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

Comment 4 by verwa...@chromium.org, Aug 20

Status: Started (was: Assigned)

Comment 5 by verwa...@chromium.org, Aug 24

Cc: -verwa...@chromium.org -toyoshim@chromium.org
Owner: toyoshim@chromium.org
Status: Untriaged (was: Started)
My side of the regression was reverted and recovered, but it seems like the second graph didn't recover. Is that a different issue?
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Aug 24

Cc: verwa...@chromium.org
Owner: verwa...@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/12efae51640000

[scanner] Decode utf8 as chunks come in to utf16, allowing unbuffered streaming by verwaest@chromium.org
https://chromium.googlesource.com/v8/v8/+/928e7b2973feb8a8b82b4405c29570553cc1d33b
2.927e+07 → 2.952e+07 (+2.545e+05)

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

Comment 8 by verwa...@chromium.org, Sep 17

Status: Fixed (was: Assigned)
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