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Issue 877396 link

Starred by 2 users
Status: WontFix
Owner:
ishell@chromium.org
Closed: Aug 27
Cc:
ishell@chromium.org
petermarshall@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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5.6%-5.8% regression in system_health.memory_desktop at 585461:585482

Project Member Reported by petermarshall@chromium.org, Aug 24 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Aug 24 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=877396

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=acdef391ac29f743aa90f43c49fa1d2d2ad4d668069cf82ac7f28be63d8b7b24


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

mac-10_12_laptop_low_end-perf
mac-10_13_laptop_high_end-perf
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Aug 24

Cc: ishell@chromium.org
Owner: ishell@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/14a98cf9640000

Revert "[ptr-compr] Switch Smis to 31-bit on 64-bit platforms." by ishell@chromium.org
https://chromium.googlesource.com/v8/v8/+/628d846da9242973fdfcdca117156c3bf1f468e9
4.729e+07 → 5.011e+07 (+2.826e+06)

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

Comment 4 by ishell@chromium.org, Aug 27

Status: WontFix (was: Assigned)
Performance regressions show that it's too early to enable 31-bit smis, so WontFix.
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