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Issue metadata

Status: Duplicate
Merged: issue 921475
Owner:
Closed: Today
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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16.2%-21.3% regression in rendering.desktop/thread_raster_cpu_time_per_frame at 621485:621564

Project Member Reported by sullivan@chromium.org, Jan 16 (6 days ago)

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jan 16 (6 days ago)

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=922582

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=b772e491149b809fed0ac8236d16e038f7f8c7f3d4c047edbaf6a7b8c5cbf793


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

Win 7 Nvidia GPU Perf

rendering.desktop - Benchmark documentation link:
  https://bit.ly/rendering-benchmarks
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Jan 16 (6 days ago)

Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jan 17 (6 days ago)

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/1286702c540000
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Jan 17 (6 days ago)

Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Today (20 hours ago)

Cc: mamir@chromium.org eseckler@chromium.org
Owner: eseckler@chromium.org
Status: Assigned (was: Unconfirmed)
📍 Found significant differences after each of 2 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/14c5e6b2540000

[Sync::USS] Refactor BookmarkRemoteUpdatesHandler unit tests by mamir@chromium.org
https://chromium.googlesource.com/chromium/src/+/1cbbce5a1cef546f39df77b4d9102a535aa9494a
thread_raster_cpu_time_per_frame: 0.5216 → 0.489 (-0.03259)

Reland "perfetto: Enable SMB scraping" by eseckler@chromium.org
https://chromium.googlesource.com/chromium/src/+/884929d17a33fadadde7c772e08128e9191c56b6
thread_raster_cpu_time_per_frame: 0.4899 → 0.5518 (+0.06192)

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

Benchmark documentation link:
  https://bit.ly/rendering-benchmarks

Comment 6 by eseckler@chromium.org, Today (20 hours ago)

Mergedinto: 921475
Status: Duplicate (was: Assigned)

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