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Issue 895357 link

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Issue metadata

Status: WontFix
Owner:
Last visit > 30 days ago
Closed: Oct 23
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.2%-3.8% regression in system_health.memory_mobile at 599502:599508

Project Member Reported by npm@chromium.org, Oct 15

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=895357

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=2f7d5106e882bf242728712d8822cb77f3fb14d1db495df898021e1ef048f6c8


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

Android Nexus5X WebView Perf

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

memory.top_10_mobile - Benchmark documentation link:
  None
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/143c6466e40000

[heap] Externalize mark bitmap. by hpayer@chromium.org
https://chromium.googlesource.com/v8/v8/+/17890f67fbd1cafa33f472559f09a1fad70993ce
memory:webview:all_processes:reported_by_chrome:malloc:effective_size: 4.636e+07 → 4.737e+07 (+1.009e+06)

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

Benchmark documentation link:
  https://bit.ly/system-health-benchmarks
Status: WontFix (was: Assigned)
This CL shifts memory around. From V8 heap to malloc. Should be the same in total.

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