All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=755562

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=1dcc08c9201b08eb6c2d13c20a2cb5741b46f6a4bf3dfd7c0c27d2141e2751fc


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

android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971179368093226672

=== 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.simple_mobile_sites
  Metric       : thread_raster_cpu_time_per_frame/http___www.ebay.co.uk_
  Change       : 74.93% | 1.40554732858 -> 2.45872254365

Revision             Result                   N
chromium@493218      1.40555 +- 0.404079      7      good
chromium@493387      1.46747 +- 0.364908      6      good
chromium@493471      1.42194 +- 0.503599      8      good
chromium@493513      1.43795 +- 0.471223      8      good
chromium@493524      1.522 +- 1.1262          9      good
chromium@493525      1.38887 +- 0.543709      5      good
chromium@493526      2.48506 +- 0.364102      6      bad       <--
chromium@493527      2.34623 +- 0.412015      9      bad
chromium@493529      2.34638 +- 0.422138      8      bad
chromium@493534      2.37155 +- 0.326332      6      bad
chromium@493555      2.45872 +- 0.45931       5      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...www.ebay.co.uk. thread_times.simple_mobile_sites

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8971179368093226672


For feedback, file a bug with component Speed>Bisection