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Issue 903102 link

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Issue metadata

Status: Assigned
Owner:
Last visit > 30 days ago
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.3%-4.3% regression in system_health.memory_desktop at 599495:599514

Project Member Reported by alexclarke@chromium.org, Nov 8

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=903102

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=06b477f9ee09ebc196149d88c15f6afdb3d474cb834a86336d12e3ced0ccece7


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

Win 7 Nvidia GPU Perf
Win 7 Perf

system_health.memory_desktop - Benchmark documentation link:
  https://bit.ly/system-health-benchmarks
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/12f5d43de40000

[heap] Externalize mark bitmap. by hpayer@chromium.org
https://chromium.googlesource.com/v8/v8/+/17890f67fbd1cafa33f472559f09a1fad70993ce
memory:chrome:all_processes:reported_by_chrome:malloc:effective_size: 1.471e+07 → 1.526e+07 (+5.516e+05)

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

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

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