[ChaosKing]

Now with core.max_cache_size = 32768

Output 1000 frames in 16.40 seconds (60.96 fps)
$env:VS_NO_LARGE_PAGES = 1
Output 1000 frames in 16.24 seconds (61.59 fps)

From 40 to 60fps, nice speed up! CPU load was 100% now.