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Issue 819187 link

Starred by 1 user
Status: WontFix
Owner:
wangxianzhu@chromium.org
Closed: Mar 2018
Cc:
wangxianzhu@chromium.org
hablich@chromium.org
piman@chromium.org
sullivan@chromium.org
chrishtr@chromium.org
vmp...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression

Blocking:
issue 803867



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3.3%-34.1% improvement in system_health.memory_desktop at 537176:537506

Project Member Reported by hablich@chromium.org, Mar 6 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Mar 6 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=819187

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=ae8d87e4d32bcff49ce959f76e63ab2e8b9d83ea654558338d032b2993cea721


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

chromium-rel-win7-x64-dual
linux-release
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Mar 16 2018

Cc: chrishtr@chromium.org wangxianzhu@chromium.org piman@chromium.org
Owner: wangxianzhu@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/12b40151440000

[SPv175] Enable SlimmingPaintV175 by default by wangxianzhu@chromium.org
https://chromium.googlesource.com/chromium/src/+/0a9a5c311a1d3a298f952e495510bd6fe3faa2f6

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

Comment 5 by wangxianzhu@chromium.org, Mar 16 2018

Blocking: 803867
Components: Blink>Paint
Labels: -M-66 M-67

Comment 6 by wangxianzhu@chromium.org, Mar 16 2018

Labels: SPv175-Progression
Status: WontFix (was: Assigned)
Why is improvement a regression?
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Mar 16 2018

Status: Assigned (was: WontFix)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/15aa5831440000

[SPv175] Enable SlimmingPaintV175 by default by wangxianzhu@chromium.org
https://chromium.googlesource.com/chromium/src/+/0a9a5c311a1d3a298f952e495510bd6fe3faa2f6

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

Comment 8 by wangxianzhu@chromium.org, Mar 16 2018

Cc: sullivan@chromium.org
Status: WontFix (was: Assigned)
sullivan@, is memory improvement reported as regression bug intentional?

Comment 9 by sullivan@chromium.org, Mar 16 2018 

wangxianzhu: any chromium committer can file a bug on an improvement to bisect it, but only regressions are part of the sheriffing workflow.

hablich, can you clarify why you filed this bug?

Comment 10 by hablich@chromium.org, Mar 21 2018 

I wanted to find out where the improvement is coming from. Simple as that ;-).

Comment 11 by wangxianzhu@chromium.org, Mar 21 2018 

It's great to know our new feature has progressions. Thanks!
►

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