WipeUout

I have an AMD card, no MFAA available unfortunately and AMD driver options do not seem to affect anything in VR... I will try your suggestion with lowering the PD, and also the steamVR SS back to 100%.

May I ask how do you define (or calculate) the margin of error? When a test is performed several times, the "margin of error" should be the range of results you get for the same conditions, or the difference between the lowest result and the highest result. In my test, I get a range of result of 0.2 between the highest and the lowest result. The FPS is pretty consistent.

I repeated the test several times (6-7) and results for each setting are max 0.2 FPS apart. Here are the averages: MSAA(2x) On: 56.2 SSAA(2x) On: 66.5 MSAA/SSAA Off: 67.3 MSAA alone has a 19.8% impact on my FPS, SSAA alone has a 1.2% impact only. I do see a small change using SSAA, could it be HMD dependent? SSAA does improve slightly the image quality but not much and leaves a lot of shimmering. It is MSAA that makes things more blurry in my VR headset with a high FPS drop. What would you suggest as a good compromise to reduce shimmering? Use a reshader?

After seeing a guy on youtube doing VR with SSAA, I decided to do a bit of testing to see the gain in quality compared with MSAA, which I've been using. I always though that SSAA would have a bigger demand on resources compared to MSAA as mention in the text bubbles in settings. Seems it is not quite the result I expected. Let's start with the settings I used: Then, I re-played @speed-of-heat's track (https://1drv.ms/u/s!Ar2cEt5yMycgm6skZyUPKfQMjm4mKw?e=so7zI5) using fpsVR to check my FPS average. Average FPS with MSAA off and SSAA 2x: 66.5 Average FPS with SSAA off and MSAA 2x: 56.2 Not only is SSAA much more efficient, the quality of the image looks way sharper!!! I am still wondering if this 18% improvement in FPS is real or I am dreaming... and it is such a nicer image! BTW I also supersample by 150% in steam VR, my Pimax 5kS is at standard FOV/90hz/1.0 rendering and PD set to 1.0 in DCS also, no image smoothing whatsoever. Anyone having similar results? Maybe this is very hardware specific.

Dear Flarpt, Men you are bitter. What are your expectations? I do agree that visually, VR is not as crisp and clear as pancake mode but the real culprit here is the hardware. When you look at a monitor, your viewing window is horizontally about 60 degrees with a lot of pixels compared to what you see in you HMD. Last time I made some calculations, it required something like 6.5k panel for each eye for a field of view of 120 degrees ln your HMD to match visual detail of a 4k screen. The day we have HMD with the same amount of pixel density as looking at a 4k monitor 2 feet away, then the quality of the rendering within the HMD will be good. This is, though, half the problem. The second part is the cpu/gpu being able to generate two 6.5k images 60 times a second at least. The hardware is not available yet. VR is for now, a compromise to get more immersion at the expense of frame rates and visual quality. For me, the compromise is acceptable and I will never go back to pancake.

... and 72.7 average FPS in VR (with the dureiken setting as well) at native resolution of my PIMAX 5k super (2560*1440). My 6900XT is a ASUS TUF Gaming. Slightly OC'ed at 2800 MHz. Weird that we get such different results. Seems that depending on the HMD, you can get better performance with the AMD card.

I just tried the track file in 4k in pancake mode with the settings mentioned by dureiken and my results are: Min: 54, Max 117, Avg: 82.7

This sounds very interesting. Do you know if it will work as well for a Steam Install?

I used to sim with a 60' Sony tv before getting into VR. My experience was very good playing 1440p with rock solid 60 FPS. I could spot easily stuff on the ground or in the air. VR can be a huge disappointment. The hardware is simply not powerful enough, it needs to be at least six times faster than what we have now to match the clarity of 2D monitor. Consider that you are using a 16:9 monitor, you have about 60o horizontal viewing angle from where you are sitting and 1440p resolution. To match this resolution with a 180o field of view, you would need three time the amount of pixels to match the resolution with the same vertical field of view. If you double your vertical filed of view as well for VR, then you need 6 time the amount of pixels. if we consider 16:9 1440p as 2.5k, then you need a VR headset that would have 6 x 2.5k, in other words a 15k display. When can we expect GPU to be able to pump 100 FPS at 15k? VR offers greater immersion, a better feeling that you are in a cockpit. There is still a huge tradeoff for resolution and smoothness, the hardware is not there yet. We need to manage our expectations. Nevertheless, I am not going back to 2D. It's blurry but I am flying!!

Personal preferences are very important here. I personally prefer wide field of view and butter smooth video over sharpness, very personal. For that reason I use a Pimax 5K Super although I have an RX6900 XT and i9-9900k. I can achieve easily 90+ FPS. The image sharpness is certainly not as good as a G2 but I feel very much immersed with a smooth image and the wide field of view and this is more important to me. The screen door effect is there also but it kind of goes away after a few minutes playing. All this to say, you need to ask yourself what is important. FPS, view, clarity, etc.?

This happens often to me as well although I have an RT 6900XT GPU. I think it is a bug related to the full screen option. Whenever I have a drop like this, I use the hotkey (ALT-ENTER) to toggle between full screen and windowed and it brings back the FPS rate where it should be. It is also very hard to replicate and seems to happen randomly over dense terrain. I fly over an area with plenty of GPU power left and all of the sudden, my FPS drops like if I had switched to windowed mode. I fly again over the same area a few seconds later and nothing happens.

Final update on this subject: The RX 6900XT card is surely a beast that will provide steady 60 FPS in 4K. The Adrenaline Software from AMD can be used to slightly improve performance by increasing GPU and VRAM clocks but not much to the expense of crashing or corrupting the video with weird artefact but this is very dependent on your own card, or silicone lottery. Other setting on Adrenaline such as Anti-Lag, Image Sharpening or Enhance Synch will not do much and instead decrease your FPS. I found that locking the FPS within DCS provides the smoothest video as opposed to using the Adrenaline software to fix FPS. The RX 6900XT will not solve stuttering generated from DCS such as explosion/smoke, scripts, messages or connection issue. It will make these issue more apparent though.

Do we have any control over TrackIR pull rate? Is this something that can be adjusted? @HansPeter1981 : Thanks for the suggestion about having DCS on a separate SSD. I do have two M.2 SSD but my second is less performing than my first one were DCS and win10 reside. I will give it a try though. Update: No apparent effect from moving DCS to another M.2 SSD.

''TrackIR to look around? Does it drop below that 60 FPS when looking sideways?'' Yes, I use TrackIR. Dip in FPS when looking sideways happens often and is pretty much related to view complexity or what is happening. Smoke and explosions are the worst and really need some optimization. After several tests, I finally got butter smooth result but still seeing some very small stutters which I think are not related to my hardware but more with DCS. I had to a do clean reinstall of the AMD drivers only. I do not have the Radeon software interface anymore but all the different setting were either slowing down FPS, causing more stutter/tearings/artefacts or simply nothing at all. I also messed around with GPU clock, voltage and VRAM speed which gave 2-3 FPS more but crashing the game after 20-30 minutes of play and no improvement on smoothness of the video. Locking my FPS with VSynch within DCS give me the beat results. A butter smooth video is so nice!

Anyone experiencing stuttering with the RX 6900 XT. I get what I would call "micro-stuttering", tried all I could find online as possible cause without any change. I play at 4k and locked my FPS to 60, which is the max frequency of my 60" TV at 4k. Stuttering is mostly apparent when looking sideways from cockpit but very subtle. If you have the same GPU, can you share your settings? Additional info: Updated BIOS, Chipset, etc. Using latest Adrenaline driver 21.7.2 but no difference with 21.6.2. My PSU is 1200W Thermaltake, no shortage of power. Additional findings: Setting VSynch on in DCS instead of in Adrenaline provide a significantly more smooth output with virtually no tearing but still some small stuttering.

Found the issue. Port forwarding on my ISP Router was set for TCP only, it should be set for TCP and UDP! Details, details details...

Same problem here. My server can be accessed via my LAN but not showing in the server list if outside the LAN. Tested if all required ports are open, also ping my IP from elsewhere and all is working fine. I also noticed that although my server is showing when connected to the LAN, there is no flag to identify the country of origin based on IP. Anyone has a clue about this?

Issue resolved! Thanks Flappie and AstonMartinDBS

Seen this also. Oval shape big black dots that are extremely brief, and since 2.7.1 even more frequent. Seen it in F-16C and AV-8B so far. I use the Steam version in 2D with Track-ir. My rig is i9-9900k, 2080ti, 32 GB, EVO 970+, TM Pendular pedals, Warthog combo, 60" Sony 4k TV @60hz, Track-IR

I can't find this "autoexec.cfg" file anywhere in 2.7.1. I do have this annoying issue and would like to resolve it... Thanks for any help.

Many factors come to play here. The frame rate fixed or free, the resolution being used, graphics details settings, what's happening on screen (lots of movement or steady flight), etc... I have a 2080ti and mine runs at 50-95% typically in 4k. In general, you want to find a sweet spot where the GPU rarely exceed 95%, try playing with the settings to find the sweet spot.

I did not realized until now that I was using the stable version of the dedicated server and my rig has the open beta for flying... It was working well until an update in January. Installed the open beta server and problem solved.

Same problem here, used to work but not visible anymore in the server list.