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Issue 750150 link

Starred by 1 user
Status: WontFix
Owner: ----
Closed: Aug 2017
Cc:
cblume@chromium.org
majidvp@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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21% regression in smoothness.image_decoding_cases at 489479:489563

Project Member Reported by majidvp@google.com, Jul 28 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jul 28 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=750150

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=b09ef414a2ddb684a25e927c522e6b6472ea9bacb9ed8a775f476a84c66e5bf8


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

chromium-rel-mac12-mini-8gb
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jul 28 2017 


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

Bisect Details
  Configuration: mac_10_12_mini_8gb_perf_bisect
  Benchmark    : smoothness.image_decoding_cases
  Metric       : mean_frame_time/yuv_decoding.html

Revision             Result                  N
chromium@489478      16.7455 +- 1.176        21      good
chromium@489563      16.69 +- 0.0444972      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=yuv.decoding.html smoothness.image_decoding_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8972813131904098544


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Jul 31 2017 


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

Bisect Details
  Configuration: mac_10_12_mini_8gb_perf_bisect
  Benchmark    : smoothness.image_decoding_cases
  Metric       : mean_frame_time/yuv_decoding.html

Revision             Result                    N
chromium@489478      16.6963 +- 0.113678       21      good
chromium@489726      16.6888 +- 0.0464461      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=yuv.decoding.html smoothness.image_decoding_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8972545820673012992


For feedback, file a bug with component Speed>Bisection

Comment 6 by sullivan@chromium.org, Aug 21 2017 

Trying one more bisect on a wider range.
Project Member

Comment 8 by 42576172...@developer.gserviceaccount.com, Aug 22 2017 


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

Bisect Details
  Configuration: mac_10_12_mini_8gb_perf_bisect
  Benchmark    : smoothness.image_decoding_cases
  Metric       : mean_frame_time/yuv_decoding.html

Revision             Result                    N
chromium@489196      16.6915 +- 0.0376462      21      good
chromium@489726      16.6901 +- 0.0365318      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=yuv.decoding.html smoothness.image_decoding_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970613407409573664


For feedback, file a bug with component Speed>Bisection

Comment 9 by sullivan@chromium.org, Aug 22 2017

Status: WontFix (was: Untriaged)
Even with a wider range, bisect can't repro.
►

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