Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8977258102123081792

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

Suspected Commit
  Author : hpayer
  Commit : 502c6ae6a03979efbd3e006e6a0b8c3369ca2bbc
  Date   : Fri Jun 02 09:40:16 2017
  Subject: [heap] Activate memory reducer on external memory activity.

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : v8-gc-phantom-handle-callback_max/browse_news/browse_news_washingtonpost
  Change       : 128.06% | 0.289833333333 -> 0.661

Revision                           Result                     N
chromium@476274                    0.289833 +- 0.192127       6      good
chromium@476595                    0.2645 +- 0.0553308        6      good
chromium@476635                    0.3 +- 0.20969             6      good
chromium@476655                    0.305 +- 0.206862          6      good
chromium@476656                    0.244167 +- 0.0424362      6      good
chromium@476656,v8@d1a9603e57      0.2645 +- 0.153979         6      good
chromium@476656,v8@502c6ae6a0      0.6155 +- 0.158397         6      bad       <--
chromium@476656,v8@3b7ff7a5e5      0.645833 +- 0.117664       6      bad
chromium@476657                    0.620333 +- 0.127143       6      bad
chromium@476658                    0.676667 +- 0.226516       6      bad
chromium@476660                    0.686667 +- 0.196523       6      bad
chromium@476665                    0.717333 +- 0.197143       6      bad
chromium@476675                    0.635833 +- 0.145832       6      bad
chromium@476755                    0.646 +- 0.170188          6      bad
chromium@476915                    0.661 +- 0.158758          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=browse.news.washingtonpost v8.runtimestats.browsing_mobile_classic

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977258102123081792

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4631069371924480


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