All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=670790

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx8yzsAoM


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

chromium-rel-mac-hdd

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8994362923833789472

===== BISECT JOB RESULTS =====
Status: failed


=== Bisection aborted ===
The bisect was aborted because Bisect cannot identify a culprit: Bisect failed to reproduce the regression with enough confidence.
Please contact the the team (see below) if you believe this is in error.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@434156  76.3652  112.714  20  good
chromium@434249  79.46    117.883  20  bad

Bisect job ran on: mac_hdd_perf_bisect
Bug ID: 670790

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests image_decoding.image_decoding_measurement
Test Metric: ImageDecoding_avg/ImageDecoding_avg
Relative Change: 4.05%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_hdd_perf_bisect/builds/899
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8994362923833789472


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5039303262994432

| 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!

Ref result moved at the same time.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982655864019811936

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

Bisect Details
  Configuration: mac_hdd_perf_bisect
  Benchmark    : image_decoding.image_decoding_measurement
  Metric       : ImageDecoding_avg/ImageDecoding_avg

Revision             Result                  N
chromium@434156      76.3652 +- 112.714      20      good
chromium@434249      79.46 +- 117.883        20      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 image_decoding.image_decoding_measurement

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982655864019811936

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5039303262994432


| 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!