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Issue 671641 link

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Issue metadata

Status: Duplicate
Owner:
Closed: Dec 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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33.1% regression in v8.browsing_desktop_ignition at 435969:436026

Project Member Reported by leszeks@chromium.org, Dec 6 2016

Issue description

Bisecting
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=671641

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5-T2tAoM


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

chromium-rel-mac11
Mergedinto: 671022
Status: Duplicate (was: Assigned)

===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : [heap] Use RAIL mode for initial heap sizing
Author  : ulan
Commit description:
  
BUG= chromium:613518 

Review-Url: https://codereview.chromium.org/2407153002
Cr-Commit-Position: refs/heads/master@{#41459}
Commit  : aea4f1a704829fcb3fc3584b9d9948deeb5bcaa5
Date    : Fri Dec 02 16:34:12 2016


===== TESTED REVISIONS =====
Revision                       Mean       Std Dev   N  Good?
chromium@435968                104198814  15968888  8  good
chromium@435983                101503024  17892341  8  good
chromium@435990                102934980  12871381  8  good
chromium@435994                102855793  9667759   8  good
chromium@435996                103782323  15989509  8  good
chromium@435996,v8@e7a51fff24  101583299  13995488  8  good
chromium@435996,v8@aea4f1a704  124109795  7703986   5  bad    <--
chromium@435997                126507118  5897797   5  bad
chromium@436026                126692587  13532534  5  bad

Bisect job ran on: mac_10_11_perf_bisect
Bug ID: 671641

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.news.nytimes v8.browsing_desktop_ignition
Test Metric: memory:chrome:renderer_processes:reported_by_chrome:v8:effective_size_avg/browse_news/browse_news_nytimes
Relative Change: 21.59%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/1100
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8994010234693333296


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5334092269223936

| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Tests>AutoBisect.  Thank you!

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