All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=780223

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=64746a81408e9b39687b1cf9efaed5a6dedc0b9e0a4a58f856892fd4c7578992


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

chromium-rel-mac12

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8964184540394098720

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/browse_social/browse_social_facebook_infinite_scroll

Revision             Result                   N
chromium@511904      73266049 +- 5521522      21      good
chromium@512046      72685323 +- 4426426      21      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.social.facebook.infinite.scroll system_health.memory_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8964184540394098720


For feedback, file a bug with component Speed>Bisection

Bisect can't repro.