Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974892893194544512

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

Suspected Commit
  Author : Ulan Degenbaev
  Commit : f341bb0f623821e56349735e47e1a9094f65d9a3
  Date   : Fri Jun 30 12:03:04 2017
  Subject: Revert "[heap] Allow a minimum semi-space size of 512K."

Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/video.html?src_tulip2.ogg_type_audio
  Change       : 10.34% | 5148672.0 -> 5681152.0

Revision                           Result              N
chromium@483699                    5148672 +- 0.0      6      good
chromium@483716                    5148672 +- 0.0      6      good
chromium@483724                    5148672 +- 0.0      6      good
chromium@483728                    5148672 +- 0.0      6      good
chromium@483729                    5148672 +- 0.0      6      good
chromium@483729,v8@ca93156294      5156864 +- 0.0      6      good
chromium@483729,v8@f341bb0f62      5681152 +- 0.0      6      bad       <--
chromium@483729,v8@fa4314da8b      5681152 +- 0.0      6      bad
chromium@483729,v8@bfbabce113      5681152 +- 0.0      6      bad
chromium@483730                    5681152 +- 0.0      6      bad
chromium@483732                    5681152 +- 0.0      6      bad
chromium@483764                    5681152 +- 0.0      6      bad
chromium@483828                    5681152 +- 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=video.html.src.tulip2.ogg.type.audio 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/8974892893194544512


For feedback, file a bug with component Speed>Bisection