All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=755087

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=f573baddd3ae2684fed338182599265ae8ee13583deda7395537aeb2e57cdf72


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

chromium-rel-mac11-pro
chromium-rel-mac12

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971299800884935328

=== 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_max/browse_news/browse_news_flipboard

Revision             Result                  N
chromium@493948      3.89819 +- 3.02011      21      good
chromium@493970      3.82248 +- 3.0753       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.news.flipboard 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/8971299800884935328


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971291166600172400

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971291160836569840

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

Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : v8-gc-incremental-step_max/browse_news/browse_news_flipboard

Revision             Result                  N
chromium@493940      3.15333 +- 3.13117      21      good
chromium@493968      3.163 +- 2.89105        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.news.flipboard 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/8971291166600172400


For feedback, file a bug with component Speed>Bisection

=== 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_max/browse_news/browse_news_flipboard

Revision             Result                  N
chromium@493948      3.51843 +- 2.04575      21      good
chromium@493970      3.53643 +- 1.77189      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.news.flipboard 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/8971291160836569840


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971282860491720208

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971282839565623808

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

Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : V8 C++:duration_avg/browse_media/browse_media_tumblr

Revision             Result                  N
chromium@492999      284.031 +- 161.091      21      good
chromium@493979      281.836 +- 30.7325      21      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=browse.media.tumblr 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/8971282860491720208


For feedback, file a bug with component Speed>Bisection

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

Error: INFRA_FAILURE

The bisect was able to narrow the range, you can try running with:
  good_revision: 4769a142e668eef25d2d3378777e97c0ea0e08c0
  bad_revision : a2d345d5b1fdd4c871344c58d928774e5bfa4be1

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


Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : v8-gc-incremental-step_max/browse_social/browse_social_twitter

Revision             Result                   N
chromium@492999      1.43983 +- 0.204247      6      good
chromium@493244      1.45683 +- 0.167985      6      good
chromium@493367      1.39633 +- 0.131762      6      good
chromium@493383      4.47183 +- 2.51423       6      bad
chromium@493398      4.7305 +- 0.718481       6      bad
chromium@493428      4.47983 +- 2.47441       6      bad
chromium@493489      4.0785 +- 2.6811         6      bad
chromium@493979      4.55417 +- 1.20972       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=browse.social.twitter 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/8971282839565623808


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971114613203250032