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Issue metadata

Status: Duplicate
Merged: issue 591246
Owner:
Closed: Mar 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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5.3%-7.8% regression in image_decoding.image_decoding_measurement at 378327:378399

Project Member Reported by qyears...@chromium.org, Mar 1 2016

Issue description

See the link to graphs below.
 
Mergedinto: 591246
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : cc: ImageDecodes: handle low quality filters.
Author  : vmpstr
Commit description:
  
This patch pins low quality interpolation filters, which means that
it is now handled by the image decode controller.

R=enne
BUG= 558063 
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1682803003

Cr-Commit-Position: refs/heads/master@{#378355}
Commit  : 6372e1669779a7b82bd130c55dca71d39f23643f
Date    : Tue Mar 01 01:22:17 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@378341         44.1382     0.27933     5           good
chromium@378352         43.96926    0.39001     5           good
chromium@378354         44.42617    0.499176    5           good
chromium@378355         48.3163     0.363426    5           bad
chromium@378357         48.05175    0.497359    5           bad
chromium@378362         47.76976    0.244369    5           bad
chromium@378382         47.97547    0.4876      5           bad

Bisect job ran on: mac_10_11_perf_bisect
Bug ID: 591086

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --also-run-disabled-tests image_decoding.image_decoding_measurement
Test Metric: ImageDecoding_avg/ImageDecoding_avg
Relative Change: 8.69%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/534
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9019180243946488096


| 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 label Cr-Tests-AutoBisect.  Thank you!

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


===== SUSPECTED CL(s) =====
Subject : cc: ImageDecodes: handle low quality filters.
Author  : vmpstr
Commit description:
  
This patch pins low quality interpolation filters, which means that
it is now handled by the image decode controller.

R=enne
BUG= 558063 
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1682803003

Cr-Commit-Position: refs/heads/master@{#378355}
Commit  : 6372e1669779a7b82bd130c55dca71d39f23643f
Date    : Tue Mar 01 01:22:17 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@378342         41.80372    0.068449    5           good
chromium@378349         41.89028    0.183401    5           good
chromium@378352         41.86669    0.076532    5           good
chromium@378354         41.87391    0.100465    5           good
chromium@378355         45.6194     0.313922    5           bad
chromium@378372         45.53805    0.135943    5           bad
chromium@378399         45.35293    0.306143    5           bad

Bisect job ran on: mac_10_10_perf_bisect
Bug ID: 591086

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --also-run-disabled-tests image_decoding.image_decoding_measurement
Test Metric: ImageDecoding_avg/ImageDecoding_avg
Relative Change: 8.49%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_10_perf_bisect/builds/2018
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9019180226511430128


| 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 label Cr-Tests-AutoBisect.  Thank you!

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