All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=782770

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=616d322f0e92b0a3f6e89f2abc397ef93dbd4bb19460a0fda52b8af3ff9570e8


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

android-webview-nexus5X
chromium-rel-win10

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8963471578000945904

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Nate Chapin
  Commit : 1aec1a92fb786cae0a24ff2b22d4858d4486252e
  Date   : Mon Nov 06 23:47:59 2017
  Subject: Make script cache hits async

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/load_media/load_media_imgur
  Change       : 104.93% | 40319017.7778 -> 82625236.4444

Revision             Result                     N
chromium@514278      40319018 +- 59164019       9      good
chromium@514290      44047288 +- 40308265       6      good
chromium@514296      37812493 +- 33207216       6      good
chromium@514298      39621560 +- 42863873       6      good
chromium@514299      81484728 +- 72958039       9      bad       <--
chromium@514302      101028109 +- 29550279      6      bad
chromium@514326      92375309 +- 28069889       6      bad
chromium@514374      82625236 +- 68790477       9      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_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.media.imgur 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/8963471578000945904


For feedback, file a bug with component Speed>Bisection