Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8975203360767755584

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

Hi ulan@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 : 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: winx64intel_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/video.html?src_crowd720_vp9.webm
  Change       : 10.34% | 5148672.0 -> 5681152.0

Revision                           Result              N
chromium@483697                    5148672 +- 0.0      6      good
chromium@483720                    5148672 +- 0.0      6      good
chromium@483726                    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@483731                    5681152 +- 0.0      6      bad
chromium@483742                    5681152 +- 0.0      6      bad
chromium@483787                    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.crowd720.vp9.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/8975203360767755584


For feedback, file a bug with component Speed>Bisection

 Issue 738821  has been merged into this issue.

 Issue 738827  has been merged into this issue.

 Issue 738820  has been merged into this issue.

 Issue 739117  has been merged into this issue.

Issue 738813 has been merged into this issue.

 Issue 739309  has been merged into this issue.

 Issue 739399  has been merged into this issue.

 Issue 740169  has been merged into this issue.

 Issue 738828  has been merged into this issue.

 Issue 739744  has been merged into this issue.

 Issue 740929  has been merged into this issue.

 Issue 740927  has been merged into this issue.