[Webkit-unassigned] [Bug 245783] [GTK] Slow performance issues tracker bug (scrolling, animations, drag & drop)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=245783

--- Comment #2 from Jeff Fortin <nekohayo at gmail.com> ---
While I noted my hardware configuration in the description above, I might add an extra little piece of information: it actually helps to be running older hardware in order to truly exacerbate the problems in a way that makes it easier to debug/test/benchmark. Indeed, if I try on a much newer (and, to my standards, overpowered) Intel chipset, like Intel UHD Graphics 620 on an Intel Kabylake Core i7-8550U CPU, then websites such as the ones mentioned in bug #215045 or bug #221738 (among others) will be a little bit janky and slow to scroll, but not incredibly noticeable on that front, so the problem may go unnoticed except by attentive eyes. The newest hardware chipsets are so ludicrously overpowered that they tend to mask problems.

My recommendation is to benchmark/test your fixes on much older hardware or suboptimal drivers, such as the Intel Sandybridge found in the very popular ThinkPad X220/T420/T520, or some open source radeon graphics from the radeonsi era; any improvements to machines from the 2011-2015 era will also benefit machines running newer hardware, but it will be easier to spot and measure the difference with older hardware, which is still very capable (and works fine on other browser engines).

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