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Issue 686204 link

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Issue metadata

Status: WontFix
Owner:
Closed: Jul 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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10.7%-12.8% regression in v8.infinite_scroll_tbmv2 at 444157:444294

Project Member Reported by pras...@chromium.org, Jan 27 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=686204

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgiNDIvQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg8LrmvwkM


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

chromium-rel-win7-dual
chromium-rel-win7-x64-dual
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jan 28 2017


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

Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : v8.infinite_scroll_tbmv2
  Metric       : v8-gc-incremental-step_avg/v8-gc-incremental-step_avg

Revision             Result                     N
chromium@444231      0.409559 +- 0.0773047      21      good
chromium@444294      0.413268 +- 0.0955705      21      bad

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 v8.infinite_scroll_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8989281452451566432

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6351015084818432


| 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!
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Feb 17 2017


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

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : v8.infinite_scroll_tbmv2
  Metric       : v8-gc-incremental-step_avg/v8-gc-incremental-step_avg

Revision             Result                    N
chromium@444100      0.592601 +- 0.208445      21      good
chromium@444300      0.598603 +- 0.31891       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 v8.infinite_scroll_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8987397663886068960

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5345323947393024


| 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!

Comment 7 by mustaq@chromium.org, Jul 10 2017

Most of these bugs re v8.infinite_scroll_tbmv2 should be handled through  Issue 724262  .

Comment 8 by u...@chromium.org, Jul 11 2017

Owner: u...@chromium.org

Comment 9 by u...@chromium.org, Jul 24 2017

Status: WontFix (was: Untriaged)
The regression is a revert of an improvement.

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