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Issue metadata

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



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29.2%-39.7% regression in blink_perf.canvas at 458715:458826

Project Member Reported by toyoshim@chromium.org, Mar 27 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 27 2017


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

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : upload-video-to-texture/upload-video-to-texture

Revision             Result                  N
chromium@458714      4547.44 +- 44.6325      21      good
chromium@458826      4547.95 +- 47.4048      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.canvas

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983987706756676704

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5873919371771904


| 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 27 2017


=== BISECT JOB RESULTS ===
Perf regression found but unable to continue

Bisect was stopped because a commit couldn't be classified as either
good or bad.


Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : upload-canvas-2d-to-texture/upload-canvas-2d-to-texture

Revision             Result                  N
chromium@458714      4400.58 +- 191.349      14       good
chromium@458773      4414.3 +- 357.843       21       good
chromium@458780      4409.13 +- 420.233      21       unknown
chromium@458786      ---                     ---      build failure
chromium@458787      4459.77 +- 318.186      21       bad
chromium@458801      4466.83 +- 196.498      14       bad
chromium@458826      4492.11 +- 334.437      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 blink_perf.canvas

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983978619546856064

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6441810282414080


| 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!
kicked off another bisect within 458773 and 458785 since the former one is the last known good revision, and the latter is to avoid build failure issue.
Project Member

Comment 8 by 42576172...@developer.gserviceaccount.com, Mar 28 2017


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

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : upload-webgl-to-texture/upload-webgl-to-texture

Revision             Result                  N
chromium@458773      4040.59 +- 1141.99      21      good
chromium@458785      4148.41 +- 584.767      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.canvas

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983889688565161008

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5849417925525504


| 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)

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