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Issue 708581 link

Starred by 2 users

Issue metadata

Status: Duplicate
Merged: issue 706892
Owner: ----
Closed: Apr 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.7%-2.7% regression in v8.infinite_scroll_tbmv2 at 460545:460670

Project Member Reported by pmeenan@chromium.org, Apr 5 2017

Issue description

See the link to graphs below.
 
Mergedinto: 706892
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Caitlin Potter
  Commit : bf463c4dc080abb1ae39c6f0a93e6a95867b0ca3
  Date   : Wed Mar 29 17:33:12 2017
  Subject: [async-iteration] implement AsyncGenerator

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : v8.infinite_scroll_tbmv2
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:allocated_objects_size_max/flickr
  Change       : 2.22% | 2109758.66667 -> 2156550.0

Revision                           Result                  N
chromium@460551                    2109759 +- 42.9573      6      good
chromium@460596                    2109769 +- 35.9629      6      good
chromium@460618                    2109774 +- 44.0908      6      good
chromium@460620                    2109761 +- 42.9573      6      good
chromium@460620,v8@6234fda3c9      2106392 +- 34.8712      6      good
chromium@460620,v8@bf463c4dc0      2153978 +- 24.4949      6      bad       <--
chromium@460620,v8@367d646a9e      2153972 +- 38.7814      6      bad
chromium@460620,v8@5615e5b866      2153162 +- 37.8418      6      bad
chromium@460621                    2156554 +- 29.2575      6      bad
chromium@460624                    2156540 +- 41.9524      6      bad
chromium@460629                    2156551 +- 38.1226      6      bad
chromium@460640                    2156550 +- 44.0908      6      bad

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 --story-filter=flickr v8.infinite_scroll_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983143270340764368

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5523545301450752


| 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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