All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=681620

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgoMCn8wsM


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

chromium-rel-win8-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8990289816251093392

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8990289795880857776

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

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : v8.detached_context_age_in_gc
  Metric       : V8_DetachedContextAgeInGC/https___www.google.com__hl_en_q_barack+obama

Revision             Result          N
chromium@443323      2.0 +- 0.0      21      good
chromium@443441      2.0 +- 0.0      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=https...www.google.com..hl.en.q.barack.obama v8.detached_context_age_in_gc

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8990289795880857776

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5214387926728704


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Tests>AutoBisect.  Thank you!

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

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg/memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg

Suspected Commit Range
  14 commits in range
  https://chromium.googlesource.com/chromium/src/+log/4809bbc10e25dff14277270bbff6d6f504178a12..e1723556c1c6ab404ab7e327c4cc62f19001aa51


Revision             Result                  N
chromium@443324      17226208 +- 369681      6       good
chromium@443383      17193121 +- 303927      9       good
chromium@443398      17295950 +- 693864      14      good
chromium@443412      17511404 +- 383430      9       bad
chromium@443441      17576333 +- 254693      6       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 system_health.memory_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8990289816251093392

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5784178823528448


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Tests>AutoBisect.  Thank you!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982651800290329024

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

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : v8.detached_context_age_in_gc
  Metric       : V8_DetachedContextAgeInGC/https___www.google.com__hl_en_q_barack+obama

Revision             Result          N
chromium@443323      2.0 +- 0.0      21      good
chromium@443441      2.0 +- 0.0      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=https...www.google.com..hl.en.q.barack.obama v8.detached_context_age_in_gc

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982651800290329024

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5214387926728704


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982592410965120144