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Issue metadata

Status: Duplicate
Merged: issue 636368
Owner:
Last visit > 30 days ago
Closed: Aug 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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143.1% regression in v8.infinite_scroll_tbmv2 at 410722:410775

Project Member Reported by pmeenan@chromium.org, Aug 10 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=636369

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgtpP1vQoM


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

android-one
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Aug 11 2016

Mergedinto: 636368
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : [heap] Enforce finalization of marking at heap limit when optimizing for memory usage.
Author  : hpayer
Commit description:
  
BUG= chromium:634900 

Review-Url: https://codereview.chromium.org/2225363002
Cr-Commit-Position: refs/heads/master@{#38495}
Commit  : a7b7d691064f00feaa37946416e65c76d6b9926e
Date    : Tue Aug 09 13:09:14 2016


===== TESTED REVISIONS =====
Revision                       Mean     Std Dev  N  Good?
chromium@410721                98.4595  9.48722  5  good
chromium@410728                83.5321  9.18849  8  good
chromium@410732                99.458   24.3771  8  good
chromium@410734                84.5954  14.2768  5  good
chromium@410734,v8@9b6d753170  94.5221  10.9189  5  good
chromium@410734,v8@2f6b26ed45  100.753  10.6701  5  good
chromium@410734,v8@c403ab7f57  85.02    5.51177  5  good
chromium@410734,v8@a7b7d69106  164.403  19.8361  5  bad    <--
chromium@410735                156.675  8.54471  5  bad
chromium@410748                176.075  13.2521  5  bad
chromium@410775                156.456  15.9106  5  bad

Bisect job ran on: android_one_perf_bisect
Bug ID: 636369

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests v8.infinite_scroll_tbmv2
Test Metric: v8-gc-total_max/v8-gc-total_max
Relative Change: 58.90%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_one_perf_bisect/builds/1515
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9004709752940790432


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5872273479696384

| 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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