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Issue 737986 link

Starred by 1 user
Status: WontFix
Owner: ----
Closed: Aug 2017
Cc:
tdres...@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.1%-1036.5% regression in smoothness.top_25_smooth at 482402:482586

Project Member Reported by tdres...@chromium.org, Jun 29 2017 
See the link to graphs below.

Comment 1 by tdres...@chromium.org, Jun 29 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=737986

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7tTJsAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7vXgrwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7pe0tgoM


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

chromium-rel-mac11-pro
chromium-rel-mac12-mini-8gb
chromium-rel-win8-dual
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 29 2017 


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: mac_10_12_mini_8gb_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : first_gesture_scroll_update_latency/Facebook

Revision             Result                 N
chromium@482520      14.496 +- 19.4277      21      good
chromium@482586      12.524 +- 28.0384      21      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=Facebook smoothness.top_25_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8975446251872533728


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

Comment 5 by 42576172...@developer.gserviceaccount.com, Jun 29 2017 


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: mac_10_12_mini_8gb_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : first_gesture_scroll_update_latency/Facebook

Revision             Result                  N
chromium@482520      12.7102 +- 22.664       21      good
chromium@482586      11.8989 +- 26.6909      21      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=Facebook smoothness.top_25_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8975437582524489376


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

Comment 7 by 42576172...@developer.gserviceaccount.com, Jun 29 2017 


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : frame_times/http___news.yahoo.com

Revision             Result                   N
chromium@482420      16.6727 +- 0.609393      21      good
chromium@482537      16.6306 +- 0.442977      21      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=http...news.yahoo.com smoothness.top_25_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8975427322198882256


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

Comment 10 by 42576172...@developer.gserviceaccount.com, Jun 29 2017 


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : frame_times/http___news.yahoo.com

Revision             Result                   N
chromium@482420      16.6787 +- 0.429524      21      good
chromium@482537      16.6545 +- 0.602345      21      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=http...news.yahoo.com smoothness.top_25_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8975420508266125952


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

Comment 11 by 42576172...@developer.gserviceaccount.com, Jun 29 2017 


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : frame_times/http___news.yahoo.com

Revision             Result                   N
chromium@482420      16.6862 +- 0.51469       21      good
chromium@482537      16.6595 +- 0.429692      21      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=http...news.yahoo.com smoothness.top_25_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8975418708036061568


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

Comment 13 by 42576172...@developer.gserviceaccount.com, Jun 30 2017 


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : frame_times/http___news.yahoo.com

Revision             Result                   N
chromium@482420      16.6253 +- 0.310612      21      good
chromium@482537      16.7017 +- 0.46186       21      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=http...news.yahoo.com smoothness.top_25_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8975411154160662896


For feedback, file a bug with component Speed>Bisection

Comment 14 by sullivan@chromium.org, Aug 18 2017

Status: WontFix (was: Untriaged)
Most of these went back down. Bisect can't repro :(
►

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