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Issue 722271 link

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Issue metadata

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



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44.3% improvement in memory.top_10_mobile_stress at 470449:470509

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=722271

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgys-nvQkM


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

android-nexus5
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, May 15 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_nexus5_perf_bisect
  Benchmark    : memory.top_10_mobile_stress
  Metric       : memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/foreground/http_m_youtube_com_results_q_science
  Change       : 41.66% | 36337332.0 -> 21200145.3333

Revision             Result                   N
chromium@470448      36337332 +- 2311015      6      good
chromium@470479      35087081 +- 3003523      6      good
chromium@470487      36338796 +- 3157991      6      good
chromium@470489      36338796 +- 3157991      6      good
chromium@470490      21090167 +- 2396946      6      bad       <--
chromium@470491      20852084 +- 5667053      6      bad
chromium@470494      21731815 +- 9511999      6      bad
chromium@470509      21200145 +- 5319800      6      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests memory.top_10_mobile_stress

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8979537469515361600

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5871298632220672


| 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 15 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_nexus5_perf_bisect
  Benchmark    : memory.top_10_mobile_stress
  Metric       : memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/foreground/http_m_youtube_com_results_q_science
  Change       : 31.87% | 35116940.4444 -> 23926470.6667

Revision             Result                    N
chromium@470448      35116940 +- 15776714      9      good
chromium@470479      36160385 +- 2097971       5      good
chromium@470487      35805049 +- 2865100       6      good
chromium@470489      36316951 +- 2796953       6      good
chromium@470490      20257241 +- 3984512       6      bad       <--
chromium@470491      24689510 +- 10187255      6      bad
chromium@470494      21795588 +- 3942433       6      bad
chromium@470509      23926471 +- 12090280      6      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests memory.top_10_mobile_stress

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8979537478375645072

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6711310886109184


| 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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