All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=776374

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=b2590911d702e99d0bcd6bdde59045fba8993897578186db6f5198082290b962


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

android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8965294090056452496

=== Auto-CCing suspected CL author ericrk@chromium.org ===

Hi ericrk@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : Eric Karl
  Commit : cac238e06a78ee12d9d67542b07f7c00038ffe40
  Date   : Mon Oct 16 17:53:58 2017
  Subject: Revert "Temporarily remove the lower 512MB shared memory limits"

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : smoothness.tough_canvas_cases
  Metric       : frame_times/tough_canvas_cases_rendering_throughput_bouncing_clipped_rectangles.html
  Change       : 35.34% | 425.387978559 -> 575.70682375

Revision             Result                  N
chromium@509047      425.388 +- 29.8299      6      good
chromium@509081      415.403 +- 12.49        6      good
chromium@509098      420.48 +- 22.2007       6      good
chromium@509099      580.192 +- 28.9227      6      bad       <--
chromium@509100      572.733 +- 14.641       6      bad
chromium@509101      569.316 +- 8.71745      6      bad
chromium@509103      581.683 +- 14.3021      6      bad
chromium@509107      584.298 +- 20.0214      6      bad
chromium@509115      574.593 +- 5.17028      6      bad
chromium@509183      575.707 +- 15.9336      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=tough.canvas.cases.rendering.throughput.bouncing.clipped.rectangles.html smoothness.tough_canvas_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8965294090056452496


For feedback, file a bug with component Speed>Bisection

This was a revert of a temporary change...