All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=787401

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=15740cc41722447a657cbcd1a81629dd65ab6627f5f62cc6b5ada5cb30f752f8


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

chromium-rel-mac-retina
chromium-rel-mac11
chromium-rel-mac11-pro
chromium-rel-mac12
chromium-rel-win10
chromium-rel-win7-dual
chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-intel
chromium-rel-win7-x64-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8962316520088364336

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

Suspected Commit
  Author : Jakob Gruber
  Commit : b0996927fb63f1e2277c8d1cddf4cae2435bdedb
  Date   : Fri Nov 10 10:46:33 2017
  Subject: Revert "[snapshot] Flip --lazy-handler-deserialization"

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg/load_chrome/load_chrome_blank
  Change       : 13.41% | 2101328.0 -> 2383144.0

Revision                           Result              N
chromium@515542                    2101328 +- 0.0      6      good
chromium@515559                    2101328 +- 0.0      6      good
chromium@515568                    2101328 +- 0.0      6      good
chromium@515570                    2101328 +- 0.0      6      good
chromium@515571                    2101328 +- 0.0      6      good
chromium@515571,v8@9eaf163d6f      2101328 +- 0.0      6      good
chromium@515571,v8@5a6cc315f8      2101328 +- 0.0      6      good
chromium@515571,v8@b0996927fb      2382768 +- 0.0      6      bad       <--
chromium@515572                    2382768 +- 0.0      6      bad
chromium@515576                    2382768 +- 0.0      6      bad
chromium@515610                    2383144 +- 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_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.chrome.blank 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/8962316520088364336


For feedback, file a bug with component Speed>Bisection