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Issue 776297 link

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



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46.8% regression in v8.browsing_desktop at 509194:509265

Project Member Reported by jgruber@chromium.org, Oct 19 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Oct 19 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=776297

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=6ea5160919808f9d6fe24bc2d470d52ee7fa3e758d7c8c7bdc4938349b4f18ed


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

chromium-rel-win7-gpu-ati
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Oct 19 2017 


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

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : v8.browsing_desktop
  Metric       : v8-gc-scavenger_avg/browse_tech/browse_tech_discourse_infinite_scroll

Revision             Result                  N
chromium@509193      1.50658 +- 1.39929      21      good
chromium@509265      1.47398 +- 1.32485      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.tech.discourse.infinite.scroll v8.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8965319673084059840


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

Comment 5 by 42576172...@developer.gserviceaccount.com, Oct 19 2017 


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

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : v8.browsing_desktop
  Metric       : v8-gc-scavenger_avg/browse_tech/browse_tech_discourse_infinite_scroll

Revision             Result                  N
chromium@509193      1.44439 +- 1.3804       21      good
chromium@509265      1.50083 +- 1.42983      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.tech.discourse.infinite.scroll v8.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8965309354140937600


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

Comment 7 by 42576172...@developer.gserviceaccount.com, Oct 20 2017 


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

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : v8.browsing_desktop
  Metric       : v8-gc-scavenger_avg/browse_tech/browse_tech_discourse_infinite_scroll

Revision             Result                  N
chromium@509193      1.55733 +- 1.49957      21      good
chromium@509265      1.53524 +- 1.40921      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.tech.discourse.infinite.scroll v8.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8965232444258004656


For feedback, file a bug with component Speed>Bisection

Comment 9 by jgruber@chromium.org, Oct 20 2017 

Looks like a flaky benchmark, but let's give the bisect one more try.
Project Member

Comment 10 by 42576172...@developer.gserviceaccount.com, Oct 20 2017 


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

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : v8.browsing_desktop
  Metric       : v8-gc-scavenger_avg/browse_tech/browse_tech_discourse_infinite_scroll

Revision             Result                  N
chromium@509193      1.51195 +- 1.42302      21      good
chromium@509265      1.45565 +- 1.44171      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.tech.discourse.infinite.scroll v8.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8965220815382712592


For feedback, file a bug with component Speed>Bisection

Comment 11 by jgruber@chromium.org, Oct 20 2017

Status: WontFix (was: Untriaged)
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