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Issue 739740 link

Starred by 3 users

Issue metadata

Status: WontFix
Owner:
Email to this user bounced
Closed: Jul 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.6% regression in media.tough_video_cases_tbmv2 at 483950:483999

Project Member Reported by jgruber@chromium.org, Jul 6 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=739740

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=813f4a175133022688d1844278a5c3d805f6f2bc373fe2039387fb2a5e91cff7


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

chromium-rel-mac11
chromium-rel-mac12-mini-8gb
Cc: jwo...@igalia.com
Owner: jwo...@igalia.com

=== Auto-CCing suspected CL author jwolfe@igalia.com ===

Hi jwolfe@igalia.com, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : Josh Wolfe
  Commit : 6c1e67f806d23ce23e398d3b210000349d1be267
  Date   : Fri Jun 30 20:14:18 2017
  Subject: [intl] Implement Intl.NumberFormat.prototype.formatToParts

Bisect Details
  Configuration: mac_10_11_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:effective_size_avg/video.html?src_tulip2.mp4_seek
  Change       : 1.59% | 4131669.33333 -> 4197278.66667

Revision                           Result                  N
chromium@483953                    4131669 +- 1585.04      6      good
chromium@483965                    4131579 +- 1402.98      6      good
chromium@483971                    4131760 +- 1513.16      6      good
chromium@483973                    4130904 +- 2614.37      6      good
chromium@483973,v8@c746dcf9ec      4131272 +- 272.0        6      good
chromium@483973,v8@6c1e67f806      4197165 +- 248.301      6      bad       <--
chromium@483973,v8@7cf7a4307b      4197256 +- 333.131      6      bad
chromium@483974                    4197585 +- 1513.22      6      bad
chromium@483976                    4197143 +- 228.922      6      bad
chromium@483999                    4197279 +- 228.922      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=video.html.src.tulip2.mp4.seek media.tough_video_cases_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8974806257225154944


For feedback, file a bug with component Speed>Bisection
 Issue 739741  has been merged into this issue.
In the graphs, it looks like this regression has already recovered, doesn't it?
Status: WontFix (was: Untriaged)
So it has, closing.

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