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Issue 731680 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Aug 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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334.5%-710.3% regression in blink_perf.dom at 475331:475378

Project Member Reported by primiano@chromium.org, Jun 9 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=731680

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglvyQvgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgloDwpQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgluT9tAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpo-WugkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5pj8jggM


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

chromium-rel-win10
chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-intel
chromium-rel-win7-gpu-nvidia
chromium-rel-win8-dual

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

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : blink_perf.dom
  Metric       : select-long-word/select-long-word

Revision             Result                   N
chromium@475333      41.5409 +- 0.745675      21      good
chromium@475360      41.4701 +- 0.863949      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 blink_perf.dom

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977267064223977696

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5482841481150464


| 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!

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

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : blink_perf.dom
  Metric       : select-long-word/select-long-word

Revision             Result                  N
chromium@475333      41.554 +- 0.684081      21      good
chromium@475360      41.5519 +- 1.11138      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 blink_perf.dom

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977257258216179088

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5482841481150464


| 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!

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

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : blink_perf.dom
  Metric       : select-long-word/select-long-word

Revision             Result                   N
chromium@475258      41.4946 +- 0.88504       21      good
chromium@475360      41.4583 +- 0.771942      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 blink_perf.dom

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977256166042348016

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5047334213255168


| 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!

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

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : blink_perf.dom
  Metric       : select-long-word/select-long-word

Revision             Result                   N
chromium@475258      41.4923 +- 0.610708      21      good
chromium@475360      41.3887 +- 0.614782      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 blink_perf.dom

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977245935924894288

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5047334213255168


| 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!
Status: WontFix (was: Untriaged)
Looking at the graph, it looks like this test just has "blips" where it improves sometimes, and then regressions when it goes back to normal. Not much to do here, I think.

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