All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=778666

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=03e20c6a256cf135aa9cb24d62d37f95f949852337751ea8e080f53c051226b2


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

chromium-rel-win8-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8964664943745143312

=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : V8 C++:duration_avg/browse_search/browse_search_google
  Change       : 3.11% | 298.865857143 -> 308.1675

Suspected Commit Range
  2 commits in range
  https://chromium.googlesource.com/chromium/src/+log/1eb0b599e984467318cb8bce8647ef011d6c948c..8fd3f246088d0fc1ca4757ea96dbdaba6f1b8221


Revision             Result                  N
chromium@510942      298.866 +- 1088.22      21       good
chromium@510993      222.236 +- 506.45       14       good
chromium@511018      225.809 +- 569.258      14       good
chromium@511025      230.095 +- 548.86       14       good
chromium@511026      ---                     ---      build failure
chromium@511027      309.446 +- 858.213      14       bad
chromium@511028      255.158 +- 538.978      9        bad
chromium@511030      316.139 +- 925.78       14       bad
chromium@511042      308.167 +- 853.725      14       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.search.google 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/8964664943745143312


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8963414814677212208

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8963414805802103824

=== 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_search/browse_search_google

Revision             Result                  N
chromium@510958      213.11 +- 567.153       21      good
chromium@511044      185.528 +- 8.10393      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.search.google 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/8963414805802103824


For feedback, file a bug with component Speed>Bisection

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

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : V8-Only:duration_avg/browse_search/browse_search_google

Revision             Result                  N
chromium@510942      1369.83 +- 2499.49      21      good
chromium@511042      1417.11 +- 2887.97      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.search.google 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/8963414814677212208


For feedback, file a bug with component Speed>Bisection