Closed Bug 1711655 Opened 5 years ago Closed 5 years ago

72.43 - 8.53% JS / Heap Unclassified + 23 more (Linux, OSX, Windows) regression on Thu May 13 2021

Categories

(Testing :: AWSY, defect)

Product:
Testing
Component:
AWSY
Type:
defect

Tracking

(firefox-esr78 unaffected, firefox88 unaffected, firefox89 unaffected, firefox90 affected)

Status:
RESOLVED WONTFIX
Tracking Flags:
Tracking Status
firefox-esr78 --- unaffected
firefox88 --- unaffected
firefox89 --- unaffected
firefox90 --- affected

People

(Reporter: aesanu, Unassigned)

References

(Regression)

Details

(Keywords: perf, perf-alert, regression)

Perfherder has detected a awsy performance regression from push 0ffd147bbfcd83a49c5b53b456d4645573c06459. 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)
72% JS windows10-64-shippable-qr tp6 171,603,962.04 -> 295,894,543.43
67% JS windows10-64-shippable tp6 171,784,586.58 -> 287,036,432.27
67% JS macosx1015-64-shippable tp6 171,027,211.43 -> 285,606,541.78
66% JS linux1804-64-shippable tp6 167,968,618.83 -> 277,989,472.93
63% JS linux1804-64-shippable-qr tp6 168,291,579.34 -> 274,279,747.51
60% JS macosx1015-64-shippable-qr tp6 171,463,972.09 -> 274,464,975.82
52% Explicit Memory windows10-64-shippable-qr tp6 458,655,843.37 -> 696,481,194.91
49% Explicit Memory windows10-64-shippable tp6 434,911,539.90 -> 647,056,273.18
48% Explicit Memory windows10-64-shippable tp6 435,452,013.82 -> 645,083,054.07
48% Explicit Memory macosx1015-64-shippable tp6 472,723,069.07 -> 699,013,480.03
... ... ... ... ... ...
29% Heap Unclassified windows10-64-shippable-qr tp6 57,575,100.47 -> 74,036,422.40
27% Resident Memory macosx1015-64-shippable tp6 613,684,795.72 -> 779,900,883.16
21% Heap Unclassified macosx1015-64-shippable-qr tp6 103,187,888.74 -> 125,315,601.79
20% Resident Memory macosx1015-64-shippable-qr tp6 744,022,522.28 -> 890,382,197.61
9% Heap Unclassified linux1804-64-shippable-qr tp6 225,037,958.86 -> 244,232,365.03

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?(dave.hunt)

Set release status flags based on info from the regressing bug 1700955

status-firefox88: --- → unaffected
status-firefox89: --- → unaffected
status-firefox-esr78: --- → unaffected

The page set that is being run completely changed, so it is expected that the values would change.

Status: NEW → RESOLVED
Closed: 5 years ago
Flags: needinfo?(dave.hunt)
Resolution: --- → WONTFIX

Kind of interesting that this caused a 30% regression in tabs open (forced GC) for Fission, but almost none for non-Fission.

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