All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=782718

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=c96785c52dc59fce70926def4670fd390a4701eabc38f1d06e5baebbdf0dcd17


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

android-nexus5
android-nexus5X
android-webview-nexus5X
android-webview-nexus6
chromium-rel-mac12
chromium-rel-win10

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8963477362138595072

=== Auto-CCing suspected CL author verwaest@chromium.org ===

Hi verwaest@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : Toon Verwaest
  Commit : 460652c9786c686094b71f9d64e3e6025252c11a
  Date   : Mon Nov 06 17:43:26 2017
  Subject: [ic] Migrate API getters to data handlers

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : memory.desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/TrivialScrollingPageSharedPageState
  Change       : 0.35% | 9289728.0 -> 9322496.0

Revision                           Result              N
chromium@514278                    9289728 +- 0.0      6      good
chromium@514326                    9289728 +- 0.0      6      good
chromium@514350                    9289728 +- 0.0      6      good
chromium@514362                    9289728 +- 0.0      6      good
chromium@514365                    9289728 +- 0.0      6      good
chromium@514367                    9289728 +- 0.0      6      good
chromium@514367,v8@2d12bc5bae      9289728 +- 0.0      6      good
chromium@514367,v8@dfd029b45e      9289728 +- 0.0      6      good
chromium@514367,v8@c7ad5652d3      9289728 +- 0.0      6      good
chromium@514367,v8@460652c978      9322496 +- 0.0      6      bad       <--
chromium@514368                    9322496 +- 0.0      6      bad
chromium@514374                    9322496 +- 0.0      6      bad

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=TrivialScrollingPageSharedPageState memory.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963477362138595072


For feedback, file a bug with component Speed>Bisection

This CL reduces memory usage since we replace full code objects with a smaller data structure encoding similar information. It's just looking like a regression on the average metrics since there are other heuristics involved.

 Issue 785719  has been merged into this issue.

 Issue 786912  has been merged into this issue.

 Issue 787435  has been merged into this issue.

Issue 787429 has been merged into this issue.