Wine 11 rewrites how Linux runs Windows games at kernel with massive speed gains

Re:Wine 11 rewrites how Linux runs Windows games at kernel w... by foresto on Tuesday March 24, 2026 @05:27PM (#47509616)

> I would assume most of them? I'd be surprised if distros like Debian, Ubuntu, Fedora, etc. would ship non-mainline kernel features like that.

It's best not to assume with these things. With my stock Debian Stable kernel, Proton says this:

fsync: up and running.

And when I disable fsync, it says this:

esync: up and running.

> But it sounds like fsync got you performance pretty close to what ntsync can do, but esync was quite a bit behind both?

No, esync and fsync trade blows in performance. Here are some measurements taken by Kron4ek, who maintains somewhat widely used Wine/Proton builds:

> With vanilla being quite a bit behind esync?

Yes, vanilla Wine has historically fallen behind all of them, of course.

> Also, jeez, fsync, what a terrible name. fsync is a syscall that has to do with filesystem data. So confusing.

We can agree on this. :)

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