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Issue 772279 link

Starred by 1 user
Status: Duplicate
Merged: issue 770832
Owner:
jarin@chromium.org
Closed: Oct 2017
Cc:
jarin@google.com
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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20.2% regression in speedometer2 at 505471:505503

Project Member Reported by jarin@google.com, Oct 6 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Oct 6 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=772279

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=a47ee96efb2ccfb64f2f4b5471e2f07d50133b086e537b5cad889235151d2e87


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

chromium-rel-win7-dual
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Oct 6 2017

Mergedinto: 770832
Status: Duplicate (was: Assigned)

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

Suspected Commit
  Author : Justin Schuh
  Commit : 3725ec39917fea4cc350f0abb8dde4552e955054
  Date   : Sun Oct 01 03:44:27 2017
  Subject: Make ClampedNumeric and CheckedNumeric constexpr

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : speedometer2
  Metric       : Inferno-TodoMVC/Speedometer2
  Change       : 23.83% | 1064.31616667 -> 1317.92016667

Revision             Result                  N
chromium@505470      1064.32 +- 9.56633      6      good
chromium@505487      1057.54 +- 11.2922      6      good
chromium@505491      1070.9 +- 10.4197       6      good
chromium@505493      1058.03 +- 4.94291      6      good
chromium@505494      1317.54 +- 7.6383       6      bad       <--
chromium@505495      1324.87 +- 27.8746      6      bad
chromium@505503      1317.92 +- 15.7476      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Speedometer2 speedometer2

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8966511076050038752


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Oct 6 2017 


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

Suspected Commit
  Author : Justin Schuh
  Commit : 3725ec39917fea4cc350f0abb8dde4552e955054
  Date   : Sun Oct 01 03:44:27 2017
  Subject: Make ClampedNumeric and CheckedNumeric constexpr

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : speedometer2
  Metric       : Inferno-TodoMVC/Speedometer2
  Change       : 25.07% | 1058.90166667 -> 1324.38416667

Revision             Result                  N
chromium@505470      1058.9 +- 15.1612       6      good
chromium@505487      1060.34 +- 5.71162      6      good
chromium@505491      1066.12 +- 4.47054      6      good
chromium@505493      1059.49 +- 10.1003      6      good
chromium@505494      1325.19 +- 14.8494      6      bad       <--
chromium@505495      1327.08 +- 14.0537      6      bad
chromium@505503      1324.38 +- 10.8648      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Speedometer2 speedometer2

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8966510808567471696


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Oct 6 2017 


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

Suspected Commit
  Author : Justin Schuh
  Commit : 3725ec39917fea4cc350f0abb8dde4552e955054
  Date   : Sun Oct 01 03:44:27 2017
  Subject: Make ClampedNumeric and CheckedNumeric constexpr

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : speedometer2
  Metric       : Inferno-TodoMVC/Speedometer2
  Change       : 24.01% | 1059.81375 -> 1314.27558333

Revision             Result                  N
chromium@505470      1059.81 +- 8.19385      6      good
chromium@505487      1054.65 +- 12.0451      6      good
chromium@505491      1068.98 +- 9.08598      6      good
chromium@505493      1053.19 +- 6.65036      6      good
chromium@505494      1313.04 +- 10.545       6      bad       <--
chromium@505495      1313.21 +- 8.03265      6      bad
chromium@505503      1314.28 +- 9.68666      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Speedometer2 speedometer2

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8966511085051482160


For feedback, file a bug with component Speed>Bisection
►

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