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Issue 814178 link

Starred by 1 user

Issue metadata

Status: WontFix
Owner:
Closed: May 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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15.5%-23.9% regression in system_health.common_desktop at 536603:536742

Project Member Reported by alexclarke@chromium.org, Feb 21 2018

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Feb 21 2018

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=814178

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=e739eb41d496c8bc4f16ce1fe483081525c874e1158d3a1cc031ecc14f1a2031


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

chromium-rel-win10
chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-nvidia
win-high-dpi
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 21 2018

Cc: toyoshim@chromium.org yhirano@chromium.org
Owner: yhirano@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/12d5c257840000

ResourceLoadScheduler: Count the number of throttlable requests by yhirano@chromium.org
https://chromium.googlesource.com/chromium/src/+/392731364d805ab0ee42e785382f23e0707f9f9a

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

Comment 5 by 42576172...@developer.gserviceaccount.com, Feb 22 2018

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/14ab6b5f840000
I started a pair of bisects to see if this really is https://chromium.googlesource.com/chromium/src/+/392731364d805ab0ee42e785382f23e0707f9f9a
Project Member

Comment 9 by 42576172...@developer.gserviceaccount.com, Feb 22 2018

📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/12ab6b5f840000

ResourceLoadScheduler: Count the number of throttlable requests by yhirano@chromium.org
https://chromium.googlesource.com/chromium/src/+/392731364d805ab0ee42e785382f23e0707f9f9a

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

Comment 10 by 42576172...@developer.gserviceaccount.com, Feb 23 2018

📍 Found a significant difference after 1 commit.
https://chromeperf.appspot.com/job/14947aef840000

ResourceLoadScheduler: Count the number of throttlable requests by yhirano@chromium.org
https://chromium.googlesource.com/chromium/src/+/392731364d805ab0ee42e785382f23e0707f9f9a

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions
Status: WontFix (was: Assigned)
I'd like to close this issue as WONTFIX because the change is net neutral for performance, according to the finch result. See https://docs.google.com/document/d/1oreWB98RmEhqGIM9vQgOs9s7llBLxHsxubhNyN8Cmrg/edit for details.

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