Roosterfeet Posted June 18, 2022 Posted June 18, 2022 I've been getting some pretty bad stutters while playing Cerberus North that I haven't noticed during other uses of the Syria map. It's particularly evident in Mission 10-2. It is a little bit noticeable as soon as active pause comes off and it gets worse to the point of being very distracting when over land. I've also noticed a performance bottleneck but I'm not sure if it's related; my frame rate is around 60 and GPU usage is 99% when paused. When I un-pause, frame rate falls to around 40 and GPU usage fluctuates a lot, averaging around 60%. If I set up a custom mission with an f-18 over Damascus, I don't experience any performance problems. GPU usage stays pegged at 99% and framerate remains around 60 as I site see around town. I bring it up here to see if others experience the same issue. I've tried lowering a lot of different settings but nothing really alleviates the stutter. My PC's not particularly powerful but the Cerberus missions don't seem super crowded either. I suspect that there might be something going on in the mission that isn't playing nice. -Ryzen 5 3600, Radeon 5600xt, 32gb ram 5800x3D, rtx4070, Quest3 (sometimes)
ChillNG Posted June 18, 2022 Posted June 18, 2022 49 minutes ago, Roosterfeet said: I've been getting some pretty bad stutters while playing Cerberus North that I haven't noticed during other uses of the Syria map. It's particularly evident in Mission 10-2. It is a little bit noticeable as soon as active pause comes off and it gets worse to the point of being very distracting when over land. I've also noticed a performance bottleneck but I'm not sure if it's related; my frame rate is around 60 and GPU usage is 99% when paused. When I un-pause, frame rate falls to around 40 and GPU usage fluctuates a lot, averaging around 60%. If I set up a custom mission with an f-18 over Damascus, I don't experience any performance problems. GPU usage stays pegged at 99% and framerate remains around 60 as I site see around town. I bring it up here to see if others experience the same issue. I've tried lowering a lot of different settings but nothing really alleviates the stutter. My PC's not particularly powerful but the Cerberus missions don't seem super crowded either. I suspect that there might be something going on in the mission that isn't playing nice. -Ryzen 5 3600, Radeon 5600xt, 32gb ram It is to a certain extent I think, the performance lottery of DCS at the minute. The system I built and tested the campaign on was pretty similar to yours (Ryzen 2600, RTX 2080 and 32GB RAM) and I never saw issues...but I also know of people with better systems that have struggles, and those with worse that haven't. There are quite a lot of units in the campaign, especially in later missions, but not an excessive amount. If anyone more technical minded can offer more insight it would be great to hear it, to me your settings look fine, fairly similar to what I used. When you fly mission 11, if you experience any performance issues please let me know. I am trying out a version with less aircraft in the air so I can give you the file to swap into your campaign folder and see how it works for you if you need. 1
Roosterfeet Posted June 18, 2022 Author Posted June 18, 2022 Thanks, I will absolutely let you know how mission 11 goes. 5800x3D, rtx4070, Quest3 (sometimes)
Roosterfeet Posted June 19, 2022 Author Posted June 19, 2022 After playing Mission 11, I'm pretty sure I just don't have enough horsepower to handle that number of units comfortably, particularly aircraft. For most of the mission, my framerate was around 50 but with a significant stutter every few seconds. Around fence out time, I noticed that my framerate increased to over 70 and the stutters went away. It looked to me like you despawned most of the aircraft around that time. The rest of the flight was silky smooth. I suspect 60 aircraft and over 300 ground units is a little ambitious for my machine. Aside from my performance woes, the mission was really cool! The large package with all of the activity going on was entertaining and having to pay attention to vul time added a good amount of tension. Devil 1-1 and 1-2 arrived at the target way ahead of the 1:59 TOT. You might need to take a few minutes off of the TOT in the briefing, or chalk it up to Poodle being an impatient tool. 5800x3D, rtx4070, Quest3 (sometimes)
ChillNG Posted June 19, 2022 Posted June 19, 2022 2 hours ago, Roosterfeet said: After playing Mission 11, I'm pretty sure I just don't have enough horsepower to handle that number of units comfortably, particularly aircraft. For most of the mission, my framerate was around 50 but with a significant stutter every few seconds. Around fence out time, I noticed that my framerate increased to over 70 and the stutters went away. It looked to me like you despawned most of the aircraft around that time. The rest of the flight was silky smooth. I suspect 60 aircraft and over 300 ground units is a little ambitious for my machine. Aside from my performance woes, the mission was really cool! The large package with all of the activity going on was entertaining and having to pay attention to vul time added a good amount of tension. Devil 1-1 and 1-2 arrived at the target way ahead of the 1:59 TOT. You might need to take a few minutes off of the TOT in the briefing, or chalk it up to Poodle being an impatient tool. Ok thanks, I'll double check the TOT, been a while since I flew this one so things might have changed over the updates. You're right, there was a large de-spawn event later in the mission, just made me think...do you have wake turbulance turned on? With lots of aircraft it can be a good idea to turn it off and it puts a fair bit of extra work on your CPU. But like I said, DCS performance is a lottery, I kept balancing the performance on this mission so that it worked well on my system and my testers...if only we could rely on that. Here's hoping for a multi-core solution in the near future.
Roosterfeet Posted June 20, 2022 Author Posted June 20, 2022 Confirmed that wake turbulence is off. Strange thing is, I haven's been able to create a mission that replicates the stutter. I set up a mission over Damascus with 55 aircraft and over 300 ground units and 3 SA2 sites. It's definitely a drag on my frame rate but no stutters. On the up side, during my troubleshooting efforts, I discovered that by deleting Tacview my framerate has gone up significantly. 5800x3D, rtx4070, Quest3 (sometimes)
ChillNG Posted June 20, 2022 Posted June 20, 2022 3 hours ago, Roosterfeet said: Confirmed that wake turbulence is off. Strange thing is, I haven's been able to create a mission that replicates the stutter. I set up a mission over Damascus with 55 aircraft and over 300 ground units and 3 SA2 sites. It's definitely a drag on my frame rate but no stutters. On the up side, during my troubleshooting efforts, I discovered that by deleting Tacview my framerate has gone up significantly. DCS is a strange beast at times, possibly could be the number of triggers then. Good shout on TACVIEW it can be a real drag on performance, although for me definitely worth it
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