All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=753039

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=5c7ea61b746430584bf97ef51a8556f13de1b9a3ad8e8b5caa6f5e1f37953de4


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

chromium-rel-mac11
chromium-rel-mac11-pro

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971895348070470528

=== BISECT JOB RESULTS ===
Bisect was unable to run to completion

Please try rerunning the bisect.


If failures persist contact the team (see below) and report the error.


Bisect Details
  Configuration: mac_10_11_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/video.html?src_garden2_10s.webm

Revision                           Result                  N
chromium@492049                    3415804 +- 12117.7      6      good
chromium@492124                    3413508 +- 1334.33      6      good
chromium@492161                    3413407 +- 1142.2       6      good
chromium@492161,v8@05e862f783      3450076 +- 24765.8      6      bad
chromium@492162                    3446719 +- 1337.72      6      bad
chromium@492163                    3447027 +- 473.377      6      bad
chromium@492164                    3446920 +- 862.22       6      bad
chromium@492166                    3450929 +- 23072.2      6      bad
chromium@492171                    3447035 +- 777.826      6      bad
chromium@492180                    3451321 +- 22451.8      6      bad
chromium@492198                    3451096 +- 22875.0      6      bad

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=video.html.src.garden2.10s.webm media.tough_video_cases_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8971895348070470528


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971882623869464304

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

Suspected Commit
  Author : Jakob Kummerow
  Commit : 05e862f78398d8bbeacc7f9e19bbb41c408e709b
  Date   : Fri Aug 04 01:27:42 2017
  Subject: Cache StoreIC-Transition handlers

Bisect Details
  Configuration: mac_10_11_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/video.html?src_garden2_10s.webm
  Change       : 0.98% | 3413210.66667 -> 3446778.66667

Revision                           Result                  N
chromium@492049                    3413211 +- 1332.79      6      good
chromium@492124                    3418244 +- 28330.4      6      good
chromium@492161                    3413425 +- 1164.73      6      good
chromium@492161,v8@5614747680      3419752 +- 26898.5      6      good
chromium@492161,v8@2fd5e70a03      3423555 +- 22685.6      6      good
chromium@492161,v8@9735d7f109      3419316 +- 1356.03      6      good
chromium@492161,v8@0caf1d2029      3419380 +- 1266.52      6      good
chromium@492161,v8@05e862f783      3450484 +- 24306.8      6      bad       <--
chromium@492162                    3450744 +- 23380.5      6      bad
chromium@492163                    3446785 +- 1266.5       6      bad
chromium@492164                    3446768 +- 1354.58      6      bad
chromium@492166                    3447085 +- 129.326      6      bad
chromium@492171                    3446920 +- 1098.25      6      bad
chromium@492180                    3447175 +- 259.579      6      bad
chromium@492198                    3446779 +- 1430.08      6      bad

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=video.html.src.garden2.10s.webm media.tough_video_cases_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8971882623869464304


For feedback, file a bug with component Speed>Bisection