All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=759612

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=453c1043abfe50e64e4bbf6d945e843ad908cb63e0efb485ad13beace101df49


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

android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970006146441460496

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Xida Chen
  Commit : 177134823106e782420b7ce5150c2aa137014ee2
  Date   : Wed Aug 16 02:35:04 2017
  Subject: Use half-width GPU tiles on low-end android devices

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.tough_filters_cases
  Metric       : frame_times/Filter Terrain SVG
  Change       : 3.76% | 143.903796886 -> 149.319093912

Revision             Result                   N
chromium@494609      143.904 +- 2.45737       6      good
chromium@494657      143.709 +- 1.61964       6      good
chromium@494669      143.0 +- 1.56338         6      good
chromium@494672      143.135 +- 0.343921      6      good
chromium@494673      148.758 +- 2.87032       6      bad       <--
chromium@494674      148.261 +- 1.21728       6      bad
chromium@494675      149.025 +- 1.2405        6      bad
chromium@494681      148.538 +- 2.03866       6      bad
chromium@494704      149.319 +- 1.35364       6      bad

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=Filter.Terrain.SVG smoothness.gpu_rasterization.tough_filters_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970006146441460496


For feedback, file a bug with component Speed>Bisection