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Issue 625467 link

Starred by 2 users

Issue metadata

Status: WontFix
Owner:
Closed: Jul 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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84.4% regression in top_10_mobile_memory at 403154:403180

Project Member Reported by qyears...@chromium.org, Jul 3 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=625467

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg0ujLpgoM


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

win-zenbook

===== BISECT JOB RESULTS =====
Status: completed


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean      Std Dev  N   Good?
chromium@403153  17079575  408780   12  good
chromium@403180  16931111  536638   12  bad

Bisect job ran on: winx64_zen_perf_bisect
Bug ID: 625467

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests top_10_mobile_memory
Test Metric: memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/https___www.google.com__hl_en_q_science
Relative Change: 2.04%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64_zen_perf_bisect/builds/237
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9008185623505040944


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5326009801375744

| 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 Tests>AutoBisect.  Thank you!

===== BISECT JOB RESULTS =====
Status: completed


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean      Std Dev  N   Good?
chromium@403153  17090057  444729   12  good
chromium@403180  17524752  1647350  8   bad

Bisect job ran on: winx64_zen_perf_bisect
Bug ID: 625467

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests top_10_mobile_memory
Test Metric: memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/https___www.google.com__hl_en_q_science
Relative Change: 1.87%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64_zen_perf_bisect/builds/238
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9008140259027028576


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6451909708218368

| 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 Tests>AutoBisect.  Thank you!
qyearsley@, can you follow up on this?
Status: WontFix (was: Assigned)
No ref build results, noisy graph, one alert, bisect didn't confirm. Closing.

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