New issue
Advanced search Search tips

Issue 700070 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 699741
Owner: ----
Closed: Mar 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

7.6%-84.1% regression in smoothness.tough_filters_cases at 455177:455413

Project Member Reported by benhenry@google.com, Mar 9 2017

Issue description

See the link to graphs below.
 
Mergedinto: 699741
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Mike Reed
  Commit : ca49067a3378b5c0364817c4198c063de05a331a
  Date   : Tue Mar 07 20:51:34 2017
  Subject: optimize intersect, use getType to utilize fast-case in preTranslate

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : smoothness.tough_filters_cases
  Metric       : frame_times/http___web.archive.org_web_20150502135732_http___ie.microsoft.com_testdrive_Performance_Pirates_Default.html
  Change       : 76.89% | 34.0240126546 -> 60.1853705619

Revision                             Result                  N
chromium@455182                      34.024 +- 0.826805      6      good
chromium@455244                      35.9105 +- 6.15102      6      good
chromium@455260                      36.9587 +- 5.26011      6      good
chromium@455268                      37.4415 +- 10.0888      6      good
chromium@455268,skia@fdf3bbe821      37.0385 +- 5.23308      6      good
chromium@455268,skia@ca49067a33      63.3746 +- 18.8062      6      bad       <--
chromium@455268,skia@99a339069c      64.3736 +- 18.363       6      bad
chromium@455269                      61.874 +- 17.856        6      bad
chromium@455270                      61.985 +- 14.9771       6      bad
chromium@455272                      62.635 +- 15.3824       6      bad
chromium@455275                      62.4609 +- 15.2953      6      bad
chromium@455306                      58.497 +- 15.0102       6      bad
chromium@455413                      60.1854 +- 18.4091      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...web.archive.org.web.20150502135732.http...ie.microsoft.com.testdrive.Performance.Pirates.Default.html smoothness.tough_filters_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985575195694928064

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6085124875091968


| 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 Speed>Bisection.  Thank you!

Sign in to add a comment