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Issue 797057 link

Starred by 1 user
Status: Duplicate
Merged: issue 797068
Owner:
mtklein@chromium.org
Closed: Jan 2018
Cc:
brianosman@google.com
█ briander...@chromium.org
mtklein@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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5.2%-9.1% regression in thread_times.tough_scrolling_cases at 524691:524859

Project Member Reported by briander...@chromium.org, Dec 21 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Dec 21 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=797057

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=6ca6719854046e14a8e8e0f9f753c37efe2654c6e892d77d5f1ab5bcc8689f72


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

android-one
chromium-rel-mac12-mini-8gb
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 21 2017 


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : thread_times.tough_scrolling_cases
  Metric       : thread_raster_cpu_time_per_frame/text_hover_10000_pixels_per_second

Revision             Result                  N
chromium@524741      1.18984 +- 1.02717      21      good
chromium@524859      1.19102 +- 1.02237      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=text.hover.10000.pixels.per.second thread_times.tough_scrolling_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8959561853952233440


For feedback, file a bug with component Speed>Bisection

Comment 6 by sullivan@chromium.org, Jan 23 2018 

Kicked off a few more bisects.
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Jan 24 2018

Cc: brianosman@google.com mtklein@chromium.org
Owner: mtklein@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/14e3bed4840000

Rework out-of-gamut handling in SkRasterPipeline
By mtklein@chromium.org · Mon Dec 18 18:48:42 2017 +0000
skia @ 37155d476cd727329d985b75ecedbefe380a0f23

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

Comment 8 by mtklein@chromium.org, Jan 24 2018

Mergedinto: 797068
Status: Duplicate (was: Assigned)
►

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