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Issue 895303 link

Starred by 1 user
Status: WontFix
Owner:
█ hpayer@chromium.org
Last visit > 30 days ago
Closed: Oct 23
Cc:
█ hpayer@chromium.org
npm@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.5%-2.6% regression in system_health.memory_mobile at 599452:599486

Project Member Reported by npm@chromium.org, Oct 15 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Oct 15 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=895303

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=b05ee301a8335ec96ac76e662731147a25fcc80702f1317a2126f6625542d311


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

Android Nexus5 Perf
Android Nexus6 WebView Perf

system_health.memory_mobile - Benchmark documentation link:
  https://bit.ly/system-health-benchmarks
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Oct 16 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/1420df22e40000
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Oct 19

Cc: hpayer@chromium.org
Owner: hpayer@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/11ae9dcae40000

[heap] Externalize mark bitmap. by hpayer@chromium.org
https://chromium.googlesource.com/v8/v8/+/17890f67fbd1cafa33f472559f09a1fad70993ce
memory:webview:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size: 3.612e+07 → 3.655e+07 (+4.216e+05)

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

Benchmark documentation link:
  https://bit.ly/system-health-benchmarks

Comment 6 by hpayer@chromium.org, Oct 23

Status: WontFix (was: Assigned)
This CL shifts memory around: from V8 heap to malloc. Should be the same in overall.
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