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#1 Posted at 2016-01-06 04:29        
     
To start, I have a pretty strong PC rig:

http://pcpartpicker.com/p/fCjdBm

while I can run the game at 50~60fps around most of the time, around 20~30% (mostly during high-intensity close quarters gunfights), the framerate drops dramatically to 15~20fps. I've even lowered many graphics settings severely, which bumps up the low end a bit. Still, however, these drops happen consistently, and ALWAYS/EXCLUSIVELY IN FIRST PERSON MODE. I've done tests, standing still in 1st person doing no movement, and the framerate won't rise above 23fps in these situations. Then, I will toggle to third person mode, and it will jump up to 40~50fps. Even if I start spinning the camera/shaking it, moving sporadically, the fps remains strong in the mid-upper 40s. So, clearly, there is some extra processing being done (on Arma's end??) in first person. FYI, I've already tried lowering/turning off head bob (but like i said, these fps drops happen even while stationary.

I've looked and looked for topics addressing this issue, and while I see there's no end of "ARMA optimization???" kinds of topics/guides, nowhere do I see this specific issue addressed, and am curious what (if any) kinds of fixes there might be.

Also, I'll add that I've run CPU/GPU monitors such as MSI Afterburner while these fps drops are occurring in first person, and neither the GPU nor CPU ever approach their upper limits (GPU hits about "60% usage" and a core clock of 1152; the CPU cores never go above 80%. Also, the temps for the GPU/CPU remain around 50~60C.

Love this game, but frustrating to have these performance issues interrupt the immersion. Especially attempting to play in first person and get a hardcore experience. Any help/suggestions would be appreciated, thanks!


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#2 Posted at 2016-01-06 04:58        
     
I just checked your comp specs and that is a very good setup for whats required to run ArmA 3 so we can at first more than likely say that is not the cause. Next thing I want to ask is, are you playing online or singleplayer? and is it with or without mods?

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#3 Posted at 2016-01-06 05:38        
     
Thanks. Play offline/singleplayer exclusively. Run a good amount of mods, but most are either weapon/vehicle packs or some tweaks like revo's nosway or SSPCM. I am running CBA A3 and the CUP addons.

These framerate drops only happen in first person, and during intense gunfights, with multiple AI on both sides. But, that's basically 80% of the scenarios out there, nevermind the campaign :P


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#4 Posted at 2016-01-06 10:57        
     
What are your graphics settings set up like

Arma is renowned for being shitty regardless of your GPU


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#5 Posted at 2016-01-06 12:08        
     
Try it without mods then get back to us, it could be a mod which is scripted/coded so badly that its effecting performance. I loved the CSAT mod but was put off when getting near to the soldiers they would warp all over the place and necks would expand upwards etc, it messed up the games FPS too, only reason I ever found out it was that was when I got so close to a soldier I noticed it, I too was running many mods, disabled it and everything was perfect after. So give it a try first without mods :-)

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#6 Posted at 2016-01-06 22:48        
     
thanks for the tips. Ran it without mods, no difference. Here's the kicker, for shits & giggles I ran ARMA at 4k (DSR'd back down to 1080p) and bumped up some settings (not all, but some) to ultra, and in those low framerate places I actually gained several frames o_O. Basically:

before: 1080p native, no AA, Textures High / Terrain Ultra --- everything else disabled or off ==== 15~20fps in intense firefights in first person.

now: 4k DSR'd to 1080p, FXAA ultra, Aniso. Filt. Ultra, Textures Ultra / Terrain Ultra / Cloud Ultra / HDR Standard === 22~25fps in same places.

& for those who might wonder why i am running terrain at ultra, I do lots of long-distance sniping, and any setting lower makes the terrain very unrealistic / low res to where its impossible to judge enemy positions (for example, on any setting lower that ultra, you could see an enemy far off that appears to float/be standing on nothing, but when you go to shoot them the round hits an invisible wall, which in actuality is a hill between you and the enemy that the game doesn't bother rendering because terrain setting < ultra. Also, I would add that even with terrain @ ultra, in those long-distance sniping situations i'm still getting 50~80fps, so the problem is still first person UP CLOSE firefights.)

Added 4 hours 40 minutes later:

Update, I subbed to this ARMA 3 stress test:

http://steamcommunity.com/sharedfiles/filedetails/?id=181562302&searchtext=stress+test

Ran it for a good while, hovering between 4~6frames the entire time. The weird thing is, on MSI Afterburner it shows that my graphics card barely made an effort! The following are the MAX parameters these variables hit, and they are anything but the max ability of the card:

GPU Power %: 43%
GPU temperature: 45C
GPU usage %: 32%
Core Clock, MHz: 1152 (mine is OC to 1491)
Memory clock, MHz: 3856 (OC value, card is normally 3505)
Memory usage, MB: 2813 (the VRAM, GTX 980 has 4gigs, so its not utilizing an entire gig!)

Additionally, all of my CPUs (running Intel i7-4790k) maxed at 80% or less, so they aren't bottlenecking. And i have 8gigs of DDR3 Ram (2x4) 1600mem, and that value maxed at 4566.

So unless i'm missing something, i am just very confused why the frame rate would drop to 4~6fps during this stress test if neither my GPU/CPU/RAM were taxed to their maximum ability, or bottlenecked.

This post was edited by aceace33333 (2016-01-07 03:30, 1076 days ago)


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#7 Posted at 2016-01-08 07:50        
     
the graphics settings can sometimes hardly make sense.

Just keep mucking around and you'll eventually find a mix that suits your GPU and maximizes your FPS. It's kind of mix & match and trial & error at the same time.






Tags: Fps, Optimization