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

Issue 704328 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 704329
Owner: ----
Closed: Mar 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

364.7% regression in v8.infinite_scroll_tbmv2 at 458173:458302

Project Member Reported by jasontiller@chromium.org, Mar 22 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=704328

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgzP2jrgkM


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

chromium-rel-win7-gpu-ati
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 23 2017

Mergedinto: 704329
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : ericrk
  Commit : 45b88dc78af5c27d0cd462889fe44b62e313a189
  Date   : Mon Mar 20 21:38:21 2017
  Subject: Enable GPU Raster on all GCN1+ Cards

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : v8.infinite_scroll_tbmv2
  Metric       : v8-gc-incremental-finalize_max/flickr
  Change       : 161.42% | 0.586166666667 -> 1.53233333333

Revision             Result                    N
chromium@458172      0.586167 +- 0.167985      6      good
chromium@458189      0.609778 +- 0.338437      9      good
chromium@458193      0.615 +- 0.180011         6      good
chromium@458195      0.624667 +- 0.19476       6      good
chromium@458196      0.633833 +- 0.216071      6      good
chromium@458197      1.96367 +- 2.07876        6      bad       <--
chromium@458205      1.938 +- 2.80847          9      bad
chromium@458237      2.3175 +- 2.71551         6      bad
chromium@458302      1.53233 +- 2.72684        6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=flickr v8.infinite_scroll_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8984381375793136528

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4950961971265536


| 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