1911958 - 1886.42 - 2.03% pdfpaint bug1721218_reduced.pdf / pdfpaint issue6238.pdf + 58 more (Windows) regression on Sat July 27 2024

Status: RESOLVED INVALID

(Core :: Graphics: Canvas2D, defect)

Description

[Treeherder Bug Filer]

Perfherder has detected a talos performance regression from push eed5e0ce8e906114902faf67b4070f04b79b32bc. As author of one of the patches included in that push, we need your help to address this regression.

Regressions:

Ratio	Test	Platform	Options	Absolute values (old vs new)
1886%	pdfpaint bug1721218_reduced.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	333.39 -> 6,622.46
181%	pdfpaint issue10717.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	412.39 -> 1,159.84
168%	pdfpaint issue8078.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	1,671.13 -> 4,483.18
165%	pdfpaint tiling-pattern-box.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	553.78 -> 1,465.36
117%	pdfpaint bug1795263.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	175.33 -> 381.28
100%	pdfpaint issue6737.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	694.57 -> 1,386.08
96%	pdfpaint issue16263.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	2,673.78 -> 5,234.62
90%	pdfpaint bug1795263.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	200.84 -> 380.68
85%	pdfpaint bug1703683_page2_reduced.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	214.22 -> 397.01
80%	pdfpaint issue840.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	285.51 -> 512.64
...	...	...	...	...
3%	pdfpaint bug865858.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	194.92 -> 200.72
3%	pdfpaint bug766138.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	468.89 -> 480.98
3%	pdfpaint issue1985.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	133.83 -> 137.27
2%	pdfpaint issue1317.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	162.57 -> 166.12
2%	pdfpaint issue6238.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	523.30 -> 533.93

Improvements:

Ratio	Test	Platform	Options	Absolute values (old vs new)
70%	pdfpaint issue6741.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	11,895.28 -> 3,583.75
49%	pdfpaint bug1260585.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	758.27 -> 383.10
44%	pdfpaint issue8076.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	5,553.00 -> 3,125.10
26%	pdfpaint issue16127.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	707.11 -> 519.93
15%	pdfpaint issue16454.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	849.80 -> 719.06
...	...	...	...	...
3%	pdfpaint issue6165.pdf	windows11-64-shippable-qr	e10s fission stylo webrender	218.37 -> 212.87

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 patch(es) may be backed out in accordance with our regression policy.

If you need the profiling jobs you can trigger them yourself from treeherder job view or ask a sheriff to do that for you.

You can run these tests on try with ./mach try perf --alert 1640

For more information on performance sheriffing please see our FAQ.

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1910138

Comment 2

[Lee Salzman [:lsalzman]]

Bug 1910138 was effectively backed out, so this is no longer valid.