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Issue 681032 link

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Issue metadata

Status: Duplicate
Merged: issue 680781
Owner: ----
Closed: Jan 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3.3%-3.6% regression in smoothness.gpu_rasterization.tough_filters_cases at 442948:443075

Project Member Reported by nzolghadr@chromium.org, Jan 13 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=681032

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgwOqGqQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgwK-ivAkM


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

android-nexus5
android-nexus7v2
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jan 13 2017

Mergedinto: 680781
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : ericrk
  Commit : 916f273d2383cfca5c75a930793f096b1b5677ca
  Date   : Wed Jan 11 22:18:33 2017
  Subject: Remove ShallowFlushCHROMIUM after resource deletion

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.tough_filters_cases
  Metric       : frame_times/http___web.archive.org_web_20150502135732_http___ie.microsoft.com_testdrive_Performance_Pirates_Default.html
  Change       : 3.49% | 27.5025453533 -> 28.4632556124

Revision             Result                   N
chromium@443009      27.5025 +- 0.34673       6      good
chromium@443010      27.5116 +- 0.35454       6      good
chromium@443011      28.5332 +- 0.281113      6      bad       <--
chromium@443012      28.6009 +- 0.362328      6      bad
chromium@443014      28.5153 +- 0.3068        6      bad
chromium@443018      28.5534 +- 0.40606       6      bad
chromium@443026      28.5431 +- 0.431169      6      bad
chromium@443042      28.4823 +- 0.251062      6      bad
chromium@443075      28.4633 +- 0.166337      6      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=http...web.archive.org.web.20150502135732.http...ie.microsoft.com.testdrive.Performance.Pirates.Default.html smoothness.gpu_rasterization.tough_filters_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8990565466305706704

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5816394366582784


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Tests>AutoBisect.  Thank you!

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