Trying Out Fedora 25 With Wayland, Early Benchmarks Included

[phoronix]

Phoronix: Trying Out Fedora 25 With Wayland, Early Benchmarks Included

With the news from Friday that Fedora 25 will run Wayland by default I loaded up the current Fedora 25 development packages on a test system this weekend and I used that as my primary system for all of my business/production work this weekend. It went well and included are some early gaming benchmarks of Fedora 25 Workstation GNOME on Wayland and X.Org.

http://www.phoronix.com/vr.php?view=23454

[Adriannho]

Encouraging!

Thanks for the test Michael. Looking forward to similar tests in the future!

[bug77]

Nice. If it's usable in Fedora, maybe in a year or so it will be ready for more distros.

[chuckula]

Very interesting stuff. I have a Core M hybrid tablet/notebook that might be ready for some Wayland soon.

[Creak]

Two questions:
1. Do we know why we lose 1-5 fps when on Wayland? (Wayland is supposed to be more 3D-friendly, isn't it?)
2. Is the numlock bug fixed in fedora 25? (it's always off when logging in a new session)

[schmidtbag]

I too am wondering why there's a frame rate drop.

[Veerappan]

Two questions:
1. Do we know why we lose 1-5 fps when on Wayland? (Wayland is supposed to be more 3D-friendly, isn't it?)
2. Is the numlock bug fixed in fedora 25? (it's always off when logging in a new session)

I think #1 is because all of those games were probably running through the XWayland wrapper, which goes:
Game > SDL (maybe) > XWayland (lighweight X wrapper) > Wayland > Display

Eventually, as games go to newer SDL versions and those SDL versions go through Wayland directly, that will change to:
Game > SDL > Wayland > Display

The overhead of wrapping the X calls to wayland probably accounts for some of the difference.

[Xaero_Vincent]

Michael, were you able to enable desktop icons on Wayland in gnome tweak tool?

[Cerberus]

Compare with Ubuntu 16.10 with latest Unity 8 and Mir, that would be interesting, SDL2 runs on Mir I believe.

[blackout23]

I think #1 is because all of those games were probably running through the XWayland wrapper, which goes:
Game > SDL (maybe) > XWayland (lighweight X wrapper) > Wayland > Display

Eventually, as games go to newer SDL versions and those SDL versions go through Wayland directly, that will change to:
Game > SDL > Wayland > Display

The overhead of wrapping the X calls to wayland probably accounts for some of the difference.

More likely that Mutter still doesn't unredirect fullscreen windows, hence everything is composited.
A GNOME dev explained it here: https://www.phoronix.com/forums/foru...641#post573641