https://bugs.freedesktop.org/show_bug.cgi?id=82050
--- Comment #49 from Marek Olšák maraeo@gmail.com --- (In reply to comment #48)
(In reply to comment #46)
I've seen some stutters without any corresponding buffer moves though. Still not sure why it's stuttering so bad sometimes.
BTW, Andy, does the stuttering also seem to get better for you if you run Valley repeatedly?
No, it's quite consistent if I quit and re-run.
The amount moved doesn't seem to correlate with the length of pause - and sometimes there are small moves without stutter, so maybe it's not totally this.
Looking at Heaven 4.0 there are no moves at all after load, but there are a few very brief stutters on the night scenes - these are the same with or without patch though.
What does num-bytes-moved measure - from where to where?
The HUD always displays an average value per frame. It's the average of all values between the current and the last update of the HUD.