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Issue metadata

Status: Duplicate
Merged: issue 697665
Owner: ----
Closed: Mar 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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14.9% regression in v8.runtimestats.browsing_desktop at 453298:453457

Project Member Reported by tebbi@chromium.org, Mar 9 2017

Issue description

See the link to graphs below.
 

Comment 1 by tebbi@chromium.org, Mar 9 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=699928

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1NDv7AgM


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

chromium-rel-mac-retina

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

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : Total:duration_avg/browse_search/browse_search_google_india

Revision             Result                  N
chromium@453297      759.027 +- 292.27       21      good
chromium@453457      795.068 +- 265.014      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.search.google.india v8.runtimestats.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985611092085551776

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5822155570282496


| 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!
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Mar 22 2017

Mergedinto: 697665
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : rogerm
  Commit : 2233a4a7cb12ac4acdebd33491b528f8fb670f02
  Date   : Mon Feb 27 23:11:16 2017
  Subject: [translate] Add translate ranker model loader.

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : Total:duration_avg/browse_search/browse_search_google_india
  Change       : 9.03% | 744.620428571 -> 811.884714286

Revision             Result                  N
chromium@453297      744.62 +- 292.186       21      good
chromium@453377      728.238 +- 175.034      9       good
chromium@453378      808.544 +- 81.0898      14      bad       <--
chromium@453379      820.251 +- 48.5214      9       bad
chromium@453380      816.085 +- 58.3526      9       bad
chromium@453382      817.946 +- 57.5381      9       bad
chromium@453387      814.451 +- 54.771       14      bad
chromium@453397      804.42 +- 109.003       14      bad
chromium@453417      811.368 +- 53.7647      14      bad
chromium@453457      811.885 +- 135.285      14      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.search.google.india v8.runtimestats.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8984414745059699088

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5831063852548096


| 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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