All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=776147

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=0680730c4404bd0241c651ffcf7b7eff7fd655971962176babf5c61c43a5ce27


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

chromium-rel-mac12

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8965358424446386672

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

Suspected Commit
  Author : Sunny Sachanandani
  Commit : 2eb3c8ac7ffc6840dc07f5e8312576e107eece23
  Date   : Wed Sep 06 02:01:21 2017
  Subject: cc: Flush after every tile task set completes.

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/browse_search/browse_search_google_india
  Change       : 18.00% | 14566312.0 -> 17187752.0

Revision             Result               N
chromium@499748      14566312 +- 0.0      6      good
chromium@499802      14566312 +- 0.0      6      good
chromium@499829      14566312 +- 0.0      6      good
chromium@499842      14566312 +- 0.0      6      good
chromium@499844      14566312 +- 0.0      6      good
chromium@499845      17187752 +- 0.0      6      bad       <--
chromium@499846      17187752 +- 0.0      6      bad
chromium@499849      17187752 +- 0.0      6      bad
chromium@499855      17187752 +- 0.0      6      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.search.google.india 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/8965358424446386672


For feedback, file a bug with component Speed>Bisection