All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=642652

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICggZ_N8wgM


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

chromium-rel-win7-x64-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9002828307412797424

===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : Roll src/third_party/catapult/ cda4e72f8..947506bac (1 commit).
Author  : catapult-deps-roller
Commit description:
  
https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/cda4e72f8776..947506bacfb5

$ git log cda4e72f8..947506bac --date=short --no-merges --format='%ad %ae %s'

BUG=639632

TBR=catapult-sheriff@chromium.org

Review-Url: https://codereview.chromium.org/2264903002
Cr-Commit-Position: refs/heads/master@{#413391}
Commit  : 8c8697b3bef3a2d9f0cf1ab895905bdf3b4b66c4
Date    : Mon Aug 22 02:52:20 2016


===== TESTED REVISIONS =====
Revision                             Mean      Std Dev  N   Good?
chromium@413384                      29354997  480633   12  good
chromium@413390                      29425414  170031   8   good
chromium@413390,catapult@947506bacf  29334098  408926   8   good
chromium@413391                      29994793  495238   8   bad    <--
chromium@413392                      30019826  225727   8   bad
chromium@413393                      30000306  111643   5   bad
chromium@413396                      29887647  410906   12  bad
chromium@413407                      30130377  266743   12  bad

Bisect job ran on: win_x64_perf_bisect
Bug ID: 642652

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests v8.browsing_desktop
Test Metric: memory:chrome:renderer_processes:reported_by_chrome:v8:heap:new_space:effective_size_avg/memory:chrome:renderer_processes:reported_by_chrome:v8:heap:new_space:effective_size_avg
Relative Change: 2.06%
Score: 98.0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/win_x64_perf_bisect/builds/1459
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9002828307412797424


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5806991073607680

| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Tests>AutoBisect.  Thank you!