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

Issue 719463 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 718920
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

186.8% regression in smoothness.sync_scroll.key_mobile_sites_smooth at 469312:469362

Project Member Reported by kraynov@chromium.org, May 8 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=719463

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgyrSCmwgM


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

android-one
Mergedinto: 718920
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Ross McIlroy
  Commit : 662aa425bac00f468d2b2e91a149b5f35e2a4ad3
  Date   : Thu May 04 11:21:59 2017
  Subject: Reland: [TypeFeedbackVector] Store optimized code in the vector

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : smoothness.sync_scroll.key_mobile_sites_smooth
  Metric       : first_gesture_scroll_update_latency/http___answers.yahoo.com_question_index?qid_20110117024343AAopj8f
  Change       : 195.18% | 24.8428333333 -> 73.3321666667

Revision                           Result                  N
chromium@469311                    24.8428 +- 12.4844      6      good
chromium@469337                    27.9749 +- 21.9363      9      good
chromium@469338                    28.3193 +- 20.0486      6      good
chromium@469338,v8@0733add072      24.619 +- 8.85052       6      good
chromium@469338,v8@24d7890151      24.0073 +- 13.2368      6      good
chromium@469338,v8@662aa425ba      63.5875 +- 12.2667      6      bad       <--
chromium@469339                    65.4263 +- 12.6967      6      bad
chromium@469341                    72.3958 +- 19.7386      6      bad
chromium@469344                    70.1805 +- 31.3074      6      bad
chromium@469350                    59.1682 +- 45.9796      9      bad
chromium@469362                    73.3322 +- 22.226       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...answers.yahoo.com.question.index.qid.20110117024343AAopj8f smoothness.sync_scroll.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980158393233731152

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5825312216055808


| 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!

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

Suspected Commit
  Author : Ross McIlroy
  Commit : 662aa425bac00f468d2b2e91a149b5f35e2a4ad3
  Date   : Thu May 04 11:21:59 2017
  Subject: Reland: [TypeFeedbackVector] Store optimized code in the vector

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : smoothness.sync_scroll.key_mobile_sites_smooth
  Metric       : first_gesture_scroll_update_latency/http___answers.yahoo.com_question_index?qid_20110117024343AAopj8f
  Change       : 93.90% | 28.4861111111 -> 55.2336666667

Revision                           Result                  N
chromium@469311                    28.4861 +- 31.429       9      good
chromium@469337                    30.9262 +- 22.0873      9      good
chromium@469338                    28.208 +- 20.5671       6      good
chromium@469338,v8@0733add072      35.5757 +- 21.3125      6      good
chromium@469338,v8@24d7890151      28.8342 +- 26.736       6      good
chromium@469338,v8@662aa425ba      77.4028 +- 30.7013      6      bad       <--
chromium@469339                    69.7552 +- 20.2081      6      bad
chromium@469341                    62.7763 +- 57.455       9      bad
chromium@469344                    63.143 +- 18.0002       6      bad
chromium@469350                    77.4927 +- 60.7162      6      bad
chromium@469362                    55.2337 +- 31.4373      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...answers.yahoo.com.question.index.qid.20110117024343AAopj8f smoothness.sync_scroll.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980158406375203952

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5865650548899840


| 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!

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

Suspected Commit
  Author : Ross McIlroy
  Commit : 662aa425bac00f468d2b2e91a149b5f35e2a4ad3
  Date   : Thu May 04 11:21:59 2017
  Subject: Reland: [TypeFeedbackVector] Store optimized code in the vector

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : smoothness.sync_scroll.key_mobile_sites_smooth
  Metric       : first_gesture_scroll_update_latency/http___answers.yahoo.com_question_index?qid_20110117024343AAopj8f
  Change       : 93.90% | 28.4861111111 -> 55.2336666667

Revision                           Result                  N
chromium@469311                    28.4861 +- 31.429       9      good
chromium@469337                    30.9262 +- 22.0873      9      good
chromium@469338                    28.208 +- 20.5671       6      good
chromium@469338,v8@0733add072      35.5757 +- 21.3125      6      good
chromium@469338,v8@24d7890151      28.8342 +- 26.736       6      good
chromium@469338,v8@662aa425ba      77.4028 +- 30.7013      6      bad       <--
chromium@469339                    69.7552 +- 20.2081      6      bad
chromium@469341                    62.7763 +- 57.455       9      bad
chromium@469344                    63.143 +- 18.0002       6      bad
chromium@469350                    77.4927 +- 60.7162      6      bad
chromium@469362                    55.2337 +- 31.4373      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...answers.yahoo.com.question.index.qid.20110117024343AAopj8f smoothness.sync_scroll.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980158406375203952

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5865650548899840


| 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