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Issue 722264 link

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Issue metadata

Status: Duplicate
Owner:
Closed: May 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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46.8% improvement in v8.runtimestats.browsing_mobile at 470457:470497

Project Member Reported by yhirano@chromium.org, May 15 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=722264

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqpXIrQoM


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

android-webview-nexus6
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, May 16 2017

Mergedinto: 721238
Status: Duplicate (was: Assigned)

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : yhirano
  Commit : 91088a195969f5af61f404c9f02edc622cbe373a
  Date   : Wed May 10 05:49:31 2017
  Subject: Add Field Trial Testing Configuration for MojoLoading

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : Parse-Background:duration_avg/browse_tools/browse_tools_maps
  Change       : 41.99% | 113.328 -> 65.7455

Revision             Result                  N
chromium@470456      113.328 +- 62.6076      6      good
chromium@470477      102.926 +- 28.3808      6      good
chromium@470487      128.082 +- 70.9776      6      good
chromium@470489      108.139 +- 25.6334      6      good
chromium@470490      61.98 +- 8.86081        6      bad       <--
chromium@470492      65.904 +- 8.824         6      bad
chromium@470497      65.7455 +- 13.1415      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.tools.maps v8.runtimestats.browsing_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8979537709590115120

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5979522949709824


| 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 Speed>Bisection.  Thank you!
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, May 16 2017


=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : yhirano
  Commit : 91088a195969f5af61f404c9f02edc622cbe373a
  Date   : Wed May 10 05:49:31 2017
  Subject: Add Field Trial Testing Configuration for MojoLoading

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : Parse-Background:duration_avg/browse_tools/browse_tools_maps
  Change       : 47.45% | 124.368 -> 65.3586666667

Revision             Result                  N
chromium@470456      124.368 +- 40.9063      6      good
chromium@470477      126.116 +- 90.083       6      good
chromium@470487      126.443 +- 43.9683      6      good
chromium@470489      122.225 +- 62.2614      6      good
chromium@470490      65.7603 +- 16.3977      6      bad       <--
chromium@470492      66.8272 +- 12.7145      6      bad
chromium@470497      65.3587 +- 16.2117      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.tools.maps v8.runtimestats.browsing_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8979537716805337680

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5092167808188416


| 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 Speed>Bisection.  Thank you!

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