New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 700897 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 700364
Owner: ----
Closed: Mar 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

13.8%-20.2% regression in jetstream at 455680:455918

Project Member Reported by hjd@chromium.org, Mar 13 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 13 2017

Mergedinto: 700364
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Michael Hablich
  Commit : 7c3936c67a6361371d9a00d83e2c03ecc603ce76
  Date   : Thu Mar 09 08:05:42 2017
  Subject: Version 5.9.34.1 (Turn on I+TF)

Bisect Details
  Configuration: mac_10_11_perf_bisect
  Benchmark    : jetstream
  Metric       : Score/Score
  Change       : 14.36% | 167.111111111 -> 143.111111111

Revision                           Result                   N
chromium@455706                    167.111 +- 1.80534       6      good
chromium@455717                    166.667 +- 1.56347       6      good
chromium@455719                    166.389 +- 1.44658       6      good
chromium@455719,v8@7c3936c67a      142.722 +- 1.09713       6      bad       <--
chromium@455719,v8@fbffc377e3      143.333 +- 1.1547        6      bad
chromium@455720                    142.778 +- 0.7698        6      bad
chromium@455722                    142.278 +- 1.59281       6      bad
chromium@455727                    143.667 +- 1.24722       6      bad
chromium@455747                    143.389 +- 0.871355      6      bad
chromium@455787                    143.111 +- 0.902671      6      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 jetstream

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985230623886583552

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6335934255071232


| 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!

Sign in to add a comment