For some reason, I also experience worse performance using the 10.8 beta (64-bit) than what I had with 10.7 final (32-bit). Not drastically so, but I can see occasional slight ball stutter with tables that were running perfectly smooth before, using Vsync 1 and pre-rendered frames set to 1.
Tried all possible combinations in video mode (with frame pacing, Vsync, 0 frame limiter vs 60 and so on) but so far nothing worked the same like it did with 10.7
I just did some testing with VPW's Last Action Hero. There is no mistake... running it using 10.7 final (32-bit) with VSync 1 runs visibly better than 10.8 beta 64-bit with the same settings (or frame pacing which makes no apparent difference).
On 10.7 final (32-bit), performance is perfectly smooth even with multiball and all flashers going crazy. Not a single stutter.
On 10.8 beta (64-bit), there is the occasional noticeably less smooth ball movement, which gets worse with flashers going on. Stutter happens even with a single ball.
So to me, it is confirmed... there is a performance handicap in 10.8 compared to 10.7
Main rig parameters: AMD Ryzen 5600, 16 GB memory, GTX 1060 graphics card.
In 10.8 do not set MaxFrames to 1, if that is what you mean?
that is a hard frame limiter.
Most people will want to leave that set to 0
Vsync options are
None
Vertical SYnc
Adaptive Sync
Frame Pacing
Frame Pacing is the best option, but something regressed in it, Vbousquet has to take a look and fix it.
Once fixed it provides super low latency.




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