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Issue 745371 link

Starred by 1 user
Status: Duplicate
Merged: issue 744354
Owner: ----
Closed: Jul 2017
Cc:
mlippautz@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.2%-250.3% regression in v8.runtimestats.browsing_desktop at 486026:486321

Project Member Reported by mlippautz@chromium.org, Jul 18 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jul 18 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=745371

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=31100346c3b1b02fe6355ec71a2a99090d4bc570455326770213518b9a43c0fe


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

chromium-rel-mac12
chromium-rel-win7-gpu-intel
chromium-rel-win7-x64-dual
linux-release
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jul 18 2017 


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

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : v8-gc-scavenger_max/browse_social/browse_social_twitter

Revision             Result                  N
chromium@486045      9.86162 +- 3.92461      21      good
chromium@486135      9.71376 +- 3.41989      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=browse.social.twitter v8.runtimestats.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973748652176442160


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

Comment 7 by 42576172...@developer.gserviceaccount.com, Jul 25 2017

Mergedinto: 744354
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Camillo Bruni
  Commit : 36421dc467bffcdcb71967ed39dddca1e33d48c6
  Date   : Wed Jul 12 19:11:04 2017
  Subject: [literals] Disable double lazy boilerplate for literals containing Arrays

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:effective_size_avg/load_search/load_search_google
  Change       : 5.64% | 11335366.6667 -> 11975146.6667

Revision                           Result                  N
chromium@486050                    11335367 +- 202659      6      good
chromium@486193                    11369424 +- 207228      6      good
chromium@486229                    11344668 +- 170190      6      good
chromium@486247                    11403823 +- 190302      6      good
chromium@486248                    11377075 +- 211839      6      good
chromium@486248,v8@42c8df3f46      11365115 +- 204505      6      good
chromium@486248,v8@34874b3b19      11333716 +- 217139      6      good
chromium@486248,v8@36421dc467      11967703 +- 222398      6      bad       <--
chromium@486248,v8@fa4ec9fdbe      11924855 +- 135931      6      bad
chromium@486249                    12024487 +- 275590      6      bad
chromium@486250                    12042513 +- 141709      6      bad
chromium@486252                    12005895 +- 193381      6      bad
chromium@486256                    11956860 +- 179638      6      bad
chromium@486264                    12012277 +- 181456      6      bad
chromium@486335                    11975147 +- 235519      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=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.search.google system_health.memory_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973112121141848208


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

Comment 8 by 42576172...@developer.gserviceaccount.com, Jul 25 2017 


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

Suspected Commit
  Author : Camillo Bruni
  Commit : 36421dc467bffcdcb71967ed39dddca1e33d48c6
  Date   : Wed Jul 12 19:11:04 2017
  Subject: [literals] Disable double lazy boilerplate for literals containing Arrays

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg/load_search/load_search_google
  Change       : 5.96% | 10456770.6667 -> 11080456.0

Revision                           Result                   N
chromium@486050                    10456771 +- 2112.63      6      good
chromium@486193                    10456437 +- 1126.99      6      good
chromium@486229                    10456981 +- 1102.88      6      good
chromium@486247                    10456940 +- 1650.24      6      good
chromium@486248                    10456709 +- 1492.32      6      good
chromium@486248,v8@42c8df3f46      10456788 +- 1773.83      6      good
chromium@486248,v8@34874b3b19      10456397 +- 1202.27      6      good
chromium@486248,v8@36421dc467      11080707 +- 1309.54      6      bad       <--
chromium@486248,v8@fa4ec9fdbe      11080293 +- 860.04       6      bad
chromium@486249                    11080648 +- 1110.59      6      bad
chromium@486250                    11080811 +- 1889.82      6      bad
chromium@486252                    11081008 +- 1718.31      6      bad
chromium@486256                    11080661 +- 1643.75      6      bad
chromium@486264                    11081051 +- 1371.23      6      bad
chromium@486335                    11080456 +- 1287.53      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=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.search.google system_health.memory_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973112100676061312


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

Comment 9 by 42576172...@developer.gserviceaccount.com, Jul 25 2017 


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

Suspected Commit
  Author : Camillo Bruni
  Commit : 36421dc467bffcdcb71967ed39dddca1e33d48c6
  Date   : Wed Jul 12 19:11:04 2017
  Subject: [literals] Disable double lazy boilerplate for literals containing Arrays

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg/browse_media/browse_media_flickr_infinite_scroll
  Change       : 3.31% | 17674660.0 -> 18259621.3333

Revision                           Result                   N
chromium@486225                    17674660 +- 52232.5      6      good
chromium@486242                    17676741 +- 41206.4      6      good
chromium@486247                    17670708 +- 75972.3      6      good
chromium@486248                    17686729 +- 42353.6      6      good
chromium@486248,v8@42c8df3f46      17671267 +- 24196.1      6      good
chromium@486248,v8@34874b3b19      17693832 +- 61070.3      6      good
chromium@486248,v8@36421dc467      18261463 +- 53456.8      6      bad       <--
chromium@486248,v8@fa4ec9fdbe      18235173 +- 68517.6      6      bad
chromium@486249                    18256384 +- 140152       6      bad
chromium@486251                    18245465 +- 76158.3      6      bad
chromium@486259                    18252241 +- 93116.1      6      bad
chromium@486293                    18242184 +- 42539.2      6      bad
chromium@486360                    18259621 +- 64197.4      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=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.media.flickr.infinite.scroll system_health.memory_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973112152994631952


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

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