All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=769233

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=79bd5438be575a2608edf16f30e8397eba501ab6a5ccf30ef721a613a7c13ec1


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

chromium-rel-mac11-pro
chromium-rel-mac12
chromium-rel-win7-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8967309130392429664

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : v8-gc-incremental-step_sum/browse_media/browse_media_flickr_infinite_scroll

Revision             Result                  N
chromium@503926      61.0201 +- 43.5969      21      good
chromium@503938      62.3676 +- 63.2601      21      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=browse.media.flickr.infinite.scroll v8.runtimestats.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8967309130392429664


For feedback, file a bug with component Speed>Bisection

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/16e1c992780000

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/14bffe0a780000

📍 Pinpoint job completed.
https://pinpoint-dot-chromeperf.appspot.com/job/16e1c992780000

Couldn't reproduce a difference.

📍 Pinpoint job completed.
https://pinpoint-dot-chromeperf.appspot.com/job/14bffe0a780000

Couldn't reproduce a difference.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8967101597460875760

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8967101559469523984

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : v8-gc-total_sum/browse_media/browse_media_flickr_infinite_scroll

Revision             Result                  N
chromium@503900      169.977 +- 72.0704      21      good
chromium@503950      168.724 +- 97.612       21      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=browse.media.flickr.infinite.scroll v8.runtimestats.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8967101597460875760


For feedback, file a bug with component Speed>Bisection

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:effective_size_avg/load_social/load_social_vk

Revision             Result              N
chromium@503849      6569984 +- 0.0      21      good
chromium@503955      6569984 +- 0.0      21      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

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=load.social.vk system_health.memory_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8967101559469523984


For feedback, file a bug with component Speed>Bisection

The only interesting graph here is a slight regressions (after a big drop) on gc_total_sum for browse_media. Since this one does not reproduce this is WontFix.