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Issue 797076 link

Starred by 1 user
Status: Duplicate
Owner:
clemensh@chromium.org
Closed: Jan 2018
Cc:
█ briander...@chromium.org
ahaas@chromium.org
clemensh@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.8%-5.9% regression in jetstream at 525121:525262

Project Member Reported by briander...@chromium.org, Dec 21 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Dec 21 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=797076

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=24e64313bc85f024ac304c851d3b9fb1a6d9a57088b65c1281cc6fe856b3f159


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

android-nexus5
android-nexus6
chromium-rel-mac11-air
chromium-rel-mac11-pro
chromium-rel-mac12
chromium-rel-win7-dual
chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-nvidia
chromium-rel-win7-x64-dual
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 22 2017 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/16dbabc1040000

Comment 7 by sullivan@chromium.org, Jan 23 2018 

Kicked off a few more bisects; the "couldn't reproduce" pinpoint job actually failed to produce values.
Project Member

Comment 8 by 42576172...@developer.gserviceaccount.com, Jan 24 2018 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/12ad2eb4840000
Project Member

Comment 9 by 42576172...@developer.gserviceaccount.com, Jan 24 2018

Cc: clemensh@chromium.org ahaas@chromium.org
Owner: clemensh@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/14e99eb4840000

[asm.js] Add masking to memory accesses
By clemensh@chromium.org · Tue Dec 19 15:07:49 2017
v8 @ cbd308945f8f008f169864769d9d1887173456ee

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

Comment 10 by clemensh@chromium.org, Jan 24 2018

Mergedinto: 799400
Status: Duplicate (was: Assigned)
►

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