1634022 - 1.81 - 2.98% raptor-tp6-amazon-firefox-mitm5-cold fcp (windows10-64-shippable-qr) regression on push d41099e117db6dad99ccf93c6f9361be0cbaf854 (Thu April 23 2020)

Status: RESOLVED WONTFIX

(Testing :: Raptor, defect)

Description

[Marian Raiciof [:marauder]]

Perfherder has detected a 10 performance regression from push d41099e117db6dad99ccf93c6f9361be0cbaf854. As author of one of the patches included in that push, we need your help to address this regression.

Regressions:

3% raptor-tp6-amazon-firefox-mitm5-cold fcp windows10-64-shippable-qr opt 592.33 -> 610.00
2% raptor-tp6-amazon-firefox-mitm5-cold fcp windows10-64-shippable-qr opt 591.71 -> 602.42

Improvements:

8% raptor-tp6-slides-firefox-cold fcp windows10-64-shippable-qr opt 1,563.92 -> 1,443.17
6% raptor-tp6-slides-firefox-cold fcp windows10-64-shippable-qr opt 1,534.42 -> 1,444.67
2% raptor-tp6-slides-firefox-cold windows10-64-shippable-qr opt 1,288.12 -> 1,262.27

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.

Comment 1

[Marian Raiciof [:marauder]]

Hey Greg,
The changes from Bug 1630048 caused 2 regressions.
Are these expected ?
Thanks!

Comment 2

[Greg Mierzwinski [:sparky]]

That's not possible. That patch made changes in visual metrics tasks which aren't used by the raptor tests that alerted here.

Comment 3

[Marian Raiciof [:marauder]]

Thanks, i'll close this bug as won't fix.