[Webkit-unassigned] [Bug 252948] [GTK] Peculiar performance issue on https://www.axiom.co/pricing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=252948

--- Comment #4 from Jeff Fortin <nekohayo at gmail.com> ---
In addition to the ThinkPad X220 and Intel Kabylake hiDPI laptop mentioned above, the computer where I'm seeing the nastiest performance impact is on my desktop computer, a Fedora workstation with open source AMD "pitcairn" graphics (Radeon R7/R9 270) on X11.

So it can happen both on modern Intel and AMD graphics at least, both on X11 and Wayland, but the problem may be easier to notice on AMD, where not only scrolling up lags, but also scrolling down... or just even idling the top of the page while loading without touching anything, it eats my 8 Intel Xeon and renders at maybe 0.05 to 0.5 frames per second (just judging from gut feeling on what I see here) for many minutes. When not scrolling, it seems the massive lagging happens while the page is loading or when some new element gets loaded, particularly.

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