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Issue 792048 link

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Issue metadata

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



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3.5%-10.2% regression in thread_times.key_silk_cases at 519749:520079

Project Member Reported by pmeenan@chromium.org, Dec 5 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=792048

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=1c761e6da0f4fb5e37a16d2819fec4eb007c3d24baceff53311a65895e108574


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

android-nexus5
android-nexus5X
android-nexus6
android-one

=== 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: android_nexus6_perf_bisect
  Benchmark    : thread_times.key_silk_cases
  Metric       : thread_renderer_compositor_cpu_time_per_frame/http___mobile-news.sandbox.google.com_news_pt0?scroll


To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...mobile.news.sandbox.google.com.news.pt0.scroll thread_times.key_silk_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8961033470539859216


For feedback, file a bug with component Speed>Bisection
Kicked off a bisect on ChromiumPerf/android-nexus5X/thread_times.key_silk_cases / thread_renderer_compositor_cpu_time_per_frame /

=== 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: android_nexus5X_perf_bisect
  Benchmark    : thread_times.key_silk_cases
  Metric       : thread_renderer_compositor_cpu_time_per_frame/http___mobile-news.sandbox.google.com_news_pt0?scroll


To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...mobile.news.sandbox.google.com.news.pt0.scroll thread_times.key_silk_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8961022559417247200


For feedback, file a bug with component Speed>Bisection
Status: WontFix (was: Untriaged)

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