Closed Bug 1697455 Opened 4 years ago Closed 4 years ago

2.04 - 7.32% twitter LastVisualChange / twitter PerceptualSpeedIndex / twitter SpeedIndex (windows10-64-shippable) regression on push e16ad489f8d20ddf6805d3d941227ba27f353b13 (Tue March 2 2021)

Categories

(Core :: Graphics: Layers, defect)

Product:
Core
Component:
Graphics: Layers
Type:
defect

Tracking

()

Status:
RESOLVED WONTFIX
Tracking Flags:
Tracking Status
firefox-esr78 --- unaffected
firefox86 --- unaffected
firefox87 --- unaffected
firefox88 --- wontfix

People

(Reporter: igoldan, Unassigned)

References

(Regression)

Details

(Keywords: perf, perf-alert, regression)

Perfherder has detected a browsertime performance regression from push e16ad489f8d20ddf6805d3d941227ba27f353b13. As author of one of the patches included in that push, we need your help to address this regression.

Regressions:

Ratio Suite Test Platform Options Absolute values (old vs new)
7% twitter LastVisualChange windows10-64-shippable nocondprof warm 1,640.00 -> 1,760.00
3% twitter SpeedIndex windows10-64-shippable nocondprof warm 922.92 -> 954.25
3% twitter PerceptualSpeedIndex windows10-64-shippable nocondprof warm 639.91 -> 659.33
2% twitter PerceptualSpeedIndex windows10-64-shippable cold nocondprof 1,131.50 -> 1,159.50
2% twitter LastVisualChange windows10-64-shippable cold nocondprof 2,715.71 -> 2,771.11

Details of the alert can be found in the alert summary, including links to graphs and comparisons for each of the affected tests. Please follow our guide to handling regression bugs and let us know your plans within 3 business days, or the offending patch(es) will be backed out in accordance with our regression policy.

For more information on performance sheriffing please see our FAQ.

Flags: needinfo?(matt.woodrow)

Set release status flags based on info from the regressing bug 1694248

status-firefox86: --- → unaffected
status-firefox87: --- → unaffected
status-firefox88: --- → affected
status-firefox-esr78: --- → unaffected

These are expected regressions, OMTP was a performance improvement for non-WR, and we disabled it since most users get WebRender now (and we want to delete OMTP).

Flags: needinfo?(matt.woodrow)

== Change summary for alert #29675 (as of Tue, 13 Apr 2021 05:15:53 GMT) ==

Regressions:

Ratio Suite Test Platform Options Absolute values (old vs new)
8% raptor-motionmark-htmlsuite-firefox windows10-64-shippable nocondprof 33.35 -> 30.82
6% raptor-motionmark-htmlsuite-firefox windows10-64-shippable nocondprof 32.82 -> 30.77

For up to date results, see: https://treeherder.mozilla.org/perfherder/alerts?id=29675

Status: NEW → RESOLVED
Closed: 4 years ago
Resolution: --- → WONTFIX
Has Regression Range: --- → yes
You need to log in before you can comment on or make changes to this bug.