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Issue 792929 link

Starred by 1 user
Status: WontFix
Owner: ----
Closed: Dec 2017
Cc:
npm@chromium.org
hajimehoshi@chromium.org
chfremer@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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54.3% improvement in system_health.common_desktop at 521672:521723

Project Member Reported by npm@chromium.org, Dec 7 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Dec 7 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=792929

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=59540bc7688d96c07944b34c71f02253c0b37e6cefc89c95c098870248b32b0f


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

chromium-rel-win7-x64-dual
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 7 2017

Cc: hajimehoshi@chromium.org chfremer@chromium.org
Owner: chfremer@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/12ab5bf4040000

Make test MediaStreamTrack-gc-no-crash deterministic
By chfremer@chromium.org · Tue Dec 05 16:59:04 2017
chromium @ 1702c9095ed676cd89f6bac4c1e522dd9a32e3dc

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

Comment 4 by chfremer@chromium.org, Dec 7 2017

Owner: ----
Status: Untriaged (was: Assigned)
Hmm, the CL only touched a single blink layout test, so it could not possibly cause any change in actual production performance.

Could it be that the perf test that triggered this somehow depends on the touched blink layout test? Otherwise, I don't see how they could be connected.
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Dec 7 2017 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/16be5ad4040000

Comment 7 by npm@chromium.org, Dec 7 2017

Status: WontFix (was: Untriaged)
Marking WontFix as this is an improvement and bisect failed.
►

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