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Issue 716659 link

Starred by 2 users

Issue metadata

Status: Available
Owner: ----
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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29.7% regression in media.tough_video_cases at 467310:467395

Project Member Reported by watk@google.com, Apr 28 2017

Issue description

See the link to graphs below.
 

Comment 1 by watk@google.com, Apr 28 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=716659

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0v-yvwkM


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

win-high-dpi
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 29 2017

Cc: junov@chromium.org
Owner: junov@chromium.org

=== Auto-CCing suspected CL author junov@chromium.org ===

Hi junov@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : junov
  Commit : c78b8bf07f4819342ee6d99796100cc62880718b
  Date   : Wed Apr 26 16:16:55 2017
  Subject: Set Ganesh cache limit based on system physical RAM

Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : media.tough_video_cases
  Metric       : vm_working_set_delta_size/video.html?src_garden2_10s.webm_canvas_true
  Change       : 29.17% | 885020.0 -> 1143190.66667

Revision             Result                  N
chromium@467309      885020 +- 18310.2       6      good
chromium@467331      898809 +- 54081.9       6      good
chromium@467337      890224 +- 24815.3       6      good
chromium@467338      1155757 +- 59666.4      6      bad       <--
chromium@467339      1157181 +- 71268.3      6      bad
chromium@467340      1153308 +- 12196.5      6      bad
chromium@467342      1146642 +- 14687.0      6      bad
chromium@467352      1144639 +- 28049.1      6      bad
chromium@467395      1143191 +- 18630.0      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=video.html.src.garden2.10s.webm.canvas.true media.tough_video_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981027237863609888

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5870312886894592


| 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!
Cc: sande...@chromium.org
 Issue 718223  has been merged into this issue.
Project Member

Comment 5 by sheriffbot@chromium.org, Jul 18 2017

Labels: Hotlist-Google
Components: Blink>Canvas

Comment 7 by junov@chromium.org, Nov 6 2017

Status: Available (was: Untriaged)
Cc: -junov@chromium.org
Owner: ----

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