All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=755655

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=b0e5ea98a351f0fd6fa7d6e257762bff86dc85ca5a6a95d29418f2ea3a45dd12


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

android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971167951502147408

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

Suspected Commit
  Author : Eric Karl
  Commit : dd8208f70e44b269eb09d26e506f79f9c1d2eefb
  Date   : Thu Aug 10 20:34:31 2017
  Subject: Reduce GPU image cache to 512KB

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : thread_times.key_silk_cases
  Metric       : thread_IO_cpu_time_per_frame/http___jsfiddle.net_xLuvC_1_show_
  Change       : 28.46% | 3.21694713296 -> 4.1323690618

Revision             Result                    N
chromium@493218      3.21695 +- 0.0625799      6      good
chromium@493387      3.23549 +- 0.0724338      6      good
chromium@493471      3.16527 +- 0.0390109      6      good
chromium@493513      3.18974 +- 0.0984838      6      good
chromium@493524      3.26166 +- 0.038178       6      good
chromium@493525      3.27848 +- 0.0905333      6      good
chromium@493526      4.2243 +- 0.185471        6      bad       <--
chromium@493527      4.17179 +- 0.167135       6      bad
chromium@493529      4.14803 +- 0.13954        6      bad
chromium@493534      4.13026 +- 0.146947       6      bad
chromium@493555      4.13237 +- 0.133801       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=http...jsfiddle.net.xLuvC.1.show. 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/8971167951502147408


For feedback, file a bug with component Speed>Bisection