New issue
Advanced search Search tips

Issue 773046 link

Starred by 2 users

Issue metadata

Status: Duplicate
Merged: issue 772447
Owner: ----
Closed: Oct 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

11%-15.4% regression in thread_times.simple_mobile_sites at 506713:506854

Project Member Reported by fmea...@chromium.org, Oct 9 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=773046

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=ddb749261431df2d825229cd29d0240a60271b45604bc780c0ea6110e4b0f55c


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

android-nexus5
android-nexus5X
android-nexus6
android-webview-nexus6
Project Member

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

Mergedinto: 772447
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : David Bokan
  Commit : 771bc4ee1d609083dd81daa0ee78229b49dfa270
  Date   : Thu Oct 05 18:39:46 2017
  Subject: Use viewport coords in gpuBenchmarking gestures

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : thread_times.simple_mobile_sites
  Metric       : thread_renderer_compositor_cpu_time_per_frame/http___www.ebay.co.uk_
  Change       : 8.16% | 3.23322066132 -> 3.49689945629

Revision             Result                    N
chromium@506783      3.23322 +- 0.0741761      6      good
chromium@506801      3.23983 +- 0.0551473      6      good
chromium@506803      3.21561 +- 0.1378         6      good
chromium@506804      3.58378 +- 0.0846514      6      bad       <--
chromium@506806      3.60912 +- 0.0586716      6      bad
chromium@506810      3.56223 +- 0.137639       6      bad
chromium@506819      3.57161 +- 0.0648137      6      bad
chromium@506854      3.4969 +- 0.227144        6      bad

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 --story-filter=http...www.ebay.co.uk. thread_times.simple_mobile_sites

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8966179963291448288


For feedback, file a bug with component Speed>Bisection

Sign in to add a comment