So, I picked this game up about a month ago when the Dynasty server opened.
I love this game. I've put 248 hours into the game already.
Performance, however, has always been kinda dodgy. I have a pretty good rig - an 8350 (OC'd to 5GHz, this is my weakest component), an R9 390 Nitro OC'd, 16GB DDR3 1333Mhz RAM (OC'd to ~1800Mhz) and I run the game from an SSD (Corsair Force LS 60GB for this, DayZ and a couple other games. OS on a separate SSD).
Before this latest update, I was able to run on the high preset with a little tweaking to trees and disabling shadows (which, in hindsight, wasn't necessary at all), but cranking grass to max, while streaming and recording, at an average of 60-80fps, with it dropping to 40ish FPS in the most built up areas. In very, very heavily forested areas, it'd drop right down to 20 something, but that was the only time it'd ever dip below 30.
Since the last major update (not the little tweaks one they just released - the one with rain etc), the settings I used before are completely unusable. It never breaks 30fps on the exact same settings and, for the most part, is below even 20fps. I've noticed that the two major factors here (trees seem to have a smaller impact on performance now, actually) are the huge object distance and the medium object distance.
I now have the object distance settings on 75/400/750 instead of the default high settings and still drop below 30fps around the lake in the more built up areas (often to the low 20's). Areas that, with much, much better settings before, I was averaging around 40FPS.
I'm wondering whether there's anything I'm missing at all, or whether I'm just SOL. Because while I love this game, this is literally unplayable for me. Christ, I have DayZ looking really good and can stream, in the center of Berezino, without ever dipping below 30FPS on this rig. This game is now literally the worst performing game I have ever played, and by a large margin - which I wouldn't be too bothered by (alpha games that get super bad performance, though never as bad as this, I just wait for a patch or two), if it wasn't apparently released.