New issue
Advanced search Search tips
Note: Color blocks (like █ or █) mean that a user may not be available. Tooltip shows the reason.

Issue 783629 link

Starred by 1 user
Status: Duplicate
Merged: issue 783648
Owner: ----
Closed: Nov 2017
Cc:
█ alexclarke@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

11.9%-91.9% regression in blink_perf.canvas at 514939:515023

Project Member Reported by alexclarke@chromium.org, Nov 10 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Nov 10 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=783629

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=69a28b2e8d7d9327a3dd2dbcceb6f4550b78b5a610e4931b9b450180687062d0


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

android-webview-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Nov 10 2017 


=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : draw-dynamic-canvas-2d-to-hw-accelerated-canvas-2d/draw-dynamic-canvas-2d-to-hw-accelerated-canvas-2d


Please refer to the following doc on diagnosing blink_perf regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/speed/benchmark_harnesses/blink_perf.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.canvas

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963323517962015280


For feedback, file a bug with component Speed>Bisection
Project Member

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

Mergedinto: 783648
Status: Duplicate (was: Untriaged)

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Justin Novosad
  Commit : 5b07996e178c5f4e153e771d48ab839867fa7440
  Date   : Wed Nov 08 23:26:00 2017
  Subject: Reland: Refactor of Canvas2DLayerBridge resource model

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : draw-hw-accelerated-canvas-2d-to-sw-canvas-2d/draw-hw-accelerated-canvas-2d-to-sw-canvas-2d
  Change       : 53.55% | 17619.802431 -> 8184.6512068

Revision             Result                  N
chromium@514938      17619.8 +- 643.516      6      good
chromium@514981      17600.8 +- 534.676      6      good
chromium@514992      17731.2 +- 585.646      6      good
chromium@514997      17568.7 +- 847.529      6      good
chromium@515000      17528.7 +- 314.555      6      good
chromium@515001      8282.56 +- 991.561      6      bad       <--
chromium@515002      8158.32 +- 888.06       6      bad
chromium@515023      8184.65 +- 1427.89      6      bad

Please refer to the following doc on diagnosing blink_perf regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/speed/benchmark_harnesses/blink_perf.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.canvas

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963300576638951472


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Nov 11 2017 


=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Justin Novosad
  Commit : 5b07996e178c5f4e153e771d48ab839867fa7440
  Date   : Wed Nov 08 23:26:00 2017
  Subject: Reland: Refactor of Canvas2DLayerBridge resource model

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : draw-dynamic-canvas-2d-to-hw-accelerated-canvas-2d/draw-dynamic-canvas-2d-to-hw-accelerated-canvas-2d
  Change       : 95.14% | 6087.58574456 -> 11879.2110363

Revision             Result                  N
chromium@514938      6087.59 +- 107.736      6      good
chromium@514981      6023.29 +- 234.204      6      good
chromium@514992      5983.5 +- 63.816        6      good
chromium@514997      6085.18 +- 173.395      6      good
chromium@515000      5987.39 +- 116.685      6      good
chromium@515001      11404.6 +- 1095.74      6      bad       <--
chromium@515002      11621.9 +- 328.325      6      bad
chromium@515023      11879.2 +- 1189.25      6      bad

Please refer to the following doc on diagnosing blink_perf regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/speed/benchmark_harnesses/blink_perf.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.canvas

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963300562606875872


For feedback, file a bug with component Speed>Bisection
►

Sign in to add a comment