Anon (no.delete@this.spam.com) on January 23, 2020 5:08 pm wrote:
> Gabriele Svelto (gabriele.svelto.delete@this.gmail.com) on January 23, 2020 12:29 pm wrote:
> > Yes, that's been my guess too. We've seen a spike in OOM
> > crashes in Windows when we enabled off-the-main-thread
> > painting and WebRender, both of which make more intensive use of the GPU. My analysis of the crashes showed
> > that the amount of memory we were using (and tracking) was pretty much the same, but users were running out
> > of commit space faster. We couldn't account that commit space with the only exception of users of AMD cards
> > for which - via an undocumented DirectX call - we figured out that the driver was holding on to a bunch of
> > that commit space. So while that's not proof that it's the drivers' fault it's certainly a strong hint.
>
> I did enabled webrender open a few WebGL samples and the commit size didn't changed, maybe it is specific
> to some hardware/software configurations? Oh, my working PC have a nVidia graphics card.

I've only tested with Nvidia cards recently, so at least for our game code, it happens on Nvidia too. I believe back in 32 bit days we tested with AMD card too (while trying to determine how much to lower texture quality to still let the game run) and address space usage was pretty much identical.

-JLarja