All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=781157

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=9507eb77ee8641c810e8056938339f1bf7e931b7fd0165b07c8275d857fccbda


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

chromium-rel-mac-retina
chromium-rel-mac11-air
chromium-rel-mac11-pro
chromium-rel-mac12
chromium-rel-win7-dual
chromium-rel-win7-gpu-intel
chromium-rel-win8-dual
win-high-dpi

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8963956599224795440

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

Suspected Commit
  Author : Michael Starzinger
  Commit : 3b67d7a0f4436df9d941e8a1ba56db285e37c5d4
  Date   : Wed Oct 25 12:43:56 2017
  Subject: Reland "[objects] Introduce {CodeDataContainer} object type."

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg/load_search/load_search_yandex
  Change       : 0.27% | 4078322.66667 -> 4089365.33333

Revision                           Result                  N
chromium@511670                    4078323 +- 385.068      6      good
chromium@511682                    4078203 +- 643.034      6      good
chromium@511688                    4078264 +- 267.432      6      good
chromium@511691                    4078228 +- 490.681      6      good
chromium@511693                    4078219 +- 384.569      6      good
chromium@511693,v8@06eec1396f      4078119 +- 256.401      6      good
chromium@511693,v8@3b67d7a0f4      4090025 +- 250.865      6      bad       <--
chromium@511693,v8@32141e93ff      4089363 +- 600.311      6      bad
chromium@511694                    4089415 +- 470.665      6      bad
chromium@511717                    4089415 +- 422.967      6      bad
chromium@511764                    4089365 +- 708.388      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=load.search.yandex 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/8963956599224795440


For feedback, file a bug with component Speed>Bisection