GetMessi Posted March 18, 2020 Posted March 18, 2020 (edited) HERE'S A VIDEO OF THE ISSUE: AND ON "LOW" PRESET: Hey guys, so I've had this issue for the entire time that I've had DCS. The title explains the issue I first thought it was caused by not loading the game onto an SSD - So I went ahead and bought a Samsung 860 EVO 500gb SSD and loaded DCS onto that (fresh install and everything). That didn't fix the issue; though it did allow for much quicker load times! I then figured my problem must be due to my "low" RAM capacity of 16GB; so I lived with the problem until I was recently able to purchase 32GB of 2666MHz RAM. Before 2.5.6, the FPS was... Manageable; though my GPU never went above 60% usage and 65 degrees, and my CPU would hover at around 30% usage and 45-50 degrees. Now, the usages are about the same, but my FPS is well below usable at a very inconsistent and stuttery 26-30 fps (as in, it stutters and drops below those frames extremely often) no matter what graphics settings I'm on! Low preset gets the same FPS as High preset... I have scoured the forums to try to figure this issue out, and I'm tired of randomly throwing money at the problem hoping for it to be a fix (though I didn't mind the upgrades that I got along the way). Any help would be greatly appreciated. My only thought is maybe it's because I'm running Windows 8.1? I have heard 8.1 is actually great for gaming because it has low background usages, but if that is seriously the problem, I can upgrade to Windows 10 I guess... Though I'd rather stay 8.1. Also, every other game I have played with this setup will use 100% GPU as necessary. It's only DCS that doesn't use more GPU usage even if my monitor demands more frames. Edit: Just updated to Windows 10 with absolutely no change!! Edited March 24, 2020 by GetMessi More info found Alienware Area 51 R2, EVGA GTX 1080Ti @ 2000MHz, 32 GB DDR4 Ram @ 2666 MHz, I7-5930K @ 4.2 GHz, Pixio PX329 Monitor, TrackIR, Saitek X52 (for now), Logitech G29 pedals???? (works.)
FoxTwo Posted March 18, 2020 Posted March 18, 2020 It's not windows 10. It's 2.5.6. Everyone is having the same performance issue. Wait for the patch tomorrow and hope it's fixed.
GetMessi Posted March 18, 2020 Author Posted March 18, 2020 It's not windows 10. It's 2.5.6. Everyone is having the same performance issue. Wait for the patch tomorrow and hope it's fixed. That's true that people have taken a performance hit, but even before 2.5.6, I was having this problem of having low GPU usage and still low FPS... Before it was in the 40s and was stuttery, now it won't go above 30 and is even more stuttery. Alienware Area 51 R2, EVGA GTX 1080Ti @ 2000MHz, 32 GB DDR4 Ram @ 2666 MHz, I7-5930K @ 4.2 GHz, Pixio PX329 Monitor, TrackIR, Saitek X52 (for now), Logitech G29 pedals???? (works.)
Raisuli Posted March 18, 2020 Posted March 18, 2020 What temperature are your CPU and GPU running? Is the OS throttling the CPU? If you look at Performance Monitor what frequency is it ticking along at?
GetMessi Posted March 18, 2020 Author Posted March 18, 2020 What temperature are your CPU and GPU running? Is the OS throttling the CPU? If you look at Performance Monitor what frequency is it ticking along at? My GPU gets around 65-68 after 30 minutes or so and my CPU is less than 60 at all times. The frequencies stay as said in my bio, and I monitor them constantly because I have a Logitech G510 keyboard with an LCD screen that I put all that information on through MSI Afterburner. Alienware Area 51 R2, EVGA GTX 1080Ti @ 2000MHz, 32 GB DDR4 Ram @ 2666 MHz, I7-5930K @ 4.2 GHz, Pixio PX329 Monitor, TrackIR, Saitek X52 (for now), Logitech G29 pedals???? (works.)
Raisuli Posted March 18, 2020 Posted March 18, 2020 I generally don't get much more than 40 FPS on my system, but it's not jerky at all, that that machine is beastly. If you look at the nVidia control panel what does it say about monitor refresh?
GetMessi Posted March 18, 2020 Author Posted March 18, 2020 I generally don't get much more than 40 FPS on my system, but it's not jerky at all, that that machine is beastly. If you look at the nVidia control panel what does it say about monitor refresh? My monitor refresh rate is set to 60Hz and that's out of my own doing (the monitor is capable of 165Hz and 144Hz) because I like my system to stay quiet and less strained for some games. That's according to both Nvidia Control Panel AND my screen resolution settings through Windows. Alienware Area 51 R2, EVGA GTX 1080Ti @ 2000MHz, 32 GB DDR4 Ram @ 2666 MHz, I7-5930K @ 4.2 GHz, Pixio PX329 Monitor, TrackIR, Saitek X52 (for now), Logitech G29 pedals???? (works.)
Raisuli Posted March 19, 2020 Posted March 19, 2020 My monitor refresh rate is set to 60Hz and that's out of my own doing (the monitor is capable of 165Hz and 144Hz) because I like my system to stay quiet and less strained for some games. That's according to both Nvidia Control Panel AND my screen resolution settings through Windows. Just for grins suck up the noise and strain, set it to 144, and see what happens for ten minutes. A short burst shouldn't hurt much. :thumbup:
GetMessi Posted March 19, 2020 Author Posted March 19, 2020 Just for grins suck up the noise and strain, set it to 144, and see what happens for ten minutes. A short burst shouldn't hurt much. :thumbup: I forgot to mention that I have, in fact, tested that out as well. No luck. Alienware Area 51 R2, EVGA GTX 1080Ti @ 2000MHz, 32 GB DDR4 Ram @ 2666 MHz, I7-5930K @ 4.2 GHz, Pixio PX329 Monitor, TrackIR, Saitek X52 (for now), Logitech G29 pedals???? (works.)
RentedAndDented Posted March 19, 2020 Posted March 19, 2020 Well DCS is very reliant on a big render thread that will eat up basically a full CPU core. 30% utilisation is very likely that process eating a core up and a few other processes doing things like sound, and whatever else you have loaded. Is there one core being maxed out?
GetMessi Posted March 19, 2020 Author Posted March 19, 2020 Well DCS is very reliant on a big render thread that will eat up basically a full CPU core. 30% utilisation is very likely that process eating a core up and a few other processes doing things like sound, and whatever else you have loaded. Is there one core being maxed out? No, that cpu usage is actually on "Core 1" and I was monitoring all cores yesterday and Core 1 was being used up the most out of all of them -- staying anywhere between 45-55 degrees... Alienware Area 51 R2, EVGA GTX 1080Ti @ 2000MHz, 32 GB DDR4 Ram @ 2666 MHz, I7-5930K @ 4.2 GHz, Pixio PX329 Monitor, TrackIR, Saitek X52 (for now), Logitech G29 pedals???? (works.)
brianbrush Posted March 21, 2020 Posted March 21, 2020 Screenshot and send your ingame setting please
GetMessi Posted March 24, 2020 Author Posted March 24, 2020 Screenshot and send your ingame setting please I just made a video instead. Hopefully this gives you an idea of how dumb this is! :helpsmilie: Alienware Area 51 R2, EVGA GTX 1080Ti @ 2000MHz, 32 GB DDR4 Ram @ 2666 MHz, I7-5930K @ 4.2 GHz, Pixio PX329 Monitor, TrackIR, Saitek X52 (for now), Logitech G29 pedals???? (works.)
Lange_666 Posted March 24, 2020 Posted March 24, 2020 Low RAM usage? Your video says otherwise. Your GPU ram is completely filled up, and you use 23GB of that 32GB you have. That's normal. Also, turn all you settings to minimum and then work your way up. Win11 Pro 64-bit, Ryzen 5800X3D, Corsair H115i, Gigabyte X570S UD, EVGA 3080Ti XC3 Ultra 12GB, 64 GB DDR4 G.Skill 3600. Monitors: LG 27GL850-B27 2560x1440 + Samsung SyncMaster 2443 1920x1200, HOTAS: Warthog with Virpil WarBRD base, MFG Crosswind pedals, TrackIR4, Rift-S, Elgato Streamdeck XL. Personal Wish List: A6 Intruder, Vietnam theater, decent ATC module, better VR performance!
GetMessi Posted March 24, 2020 Author Posted March 24, 2020 (edited) Low RAM usage? Your video says otherwise. Your GPU ram is completely filled up, and you use 23GB of that 32GB you have. That's normal. Also, turn all you settings to minimum and then work your way up. Low RAM usage relative to the amount of RAM that I have; as in, the RAM isn't maxed out so that's not what should be causing my problem. As I stated before, I can have low settings or high and have the exact same problem with low FPS. I'll post another video to show what I mean. HERE'S THE VIDEO ON "LOW" PRESET: Edited March 24, 2020 by GetMessi Alienware Area 51 R2, EVGA GTX 1080Ti @ 2000MHz, 32 GB DDR4 Ram @ 2666 MHz, I7-5930K @ 4.2 GHz, Pixio PX329 Monitor, TrackIR, Saitek X52 (for now), Logitech G29 pedals???? (works.)
grafspee Posted March 24, 2020 Posted March 24, 2020 Similar issue on my side, when flying MP server at some point my CPU and GPU droped to very low levels, 20%GPU and 3% CPU and my fps went to almost 0. This issue showed up in 2.5.6 version. System specs: I7 14700KF, Gigabyte Z790 Aorus Elite, 64GB DDR4 3600MHz, Gigabyte RTX 4090,Win 11, 48" OLED LG TV + 42" LG LED monitor
rinkerbuck Posted March 24, 2020 Posted March 24, 2020 Have you guys with super low frames and stutters tried a DCS cleanup repair? It fixed pausing and sound stuttering issues I was having.
Worrazen Posted March 24, 2020 Posted March 24, 2020 Well DCS is very reliant on a big render thread that will eat up basically a full CPU core. 30% utilisation is very likely that process eating a core up and a few other processes doing things like sound, and whatever else you have loaded. Is there one core being maxed out? Yes, because it's so important that we look properly at the perf data, and to quickly and easily gauge this without using advanced perf tools one must look at the CPU Total Usage specific to that PC's CPU amount of cores and that nothing else is taking CPU on the computer at the time of reading, while preferrably having HT/SMT disabled for obvious reasons of complexity trying to gauge the mystery of HT/SMT because those extra logical cores don't count the same % in reality as they would when just dividing Then it's more of a mystery how the thread scheduler works if it prefers to separate threads onto physical cores rather than treating the logical ones as equal, end-users just don't have the insights into these thigns but I think as more and more this develops people will get more demanding to know the details, hopefully the industry does provide way to perf this stuff in general. So that, looking at Per-Core CPU usage is wrong because normally all would jump from core to core (unless specifically set/forced by developer or user option, that I don't know of right now) Now threads can have an IdealCPU and if they're really busy they may tag themselfs to a particular core and it may reflect that in the per-Core CPU usage views but I wouldn't rely on it. Modules: A-10C I/II, F/A-18C, Mig-21Bis, M-2000C, AJS-37, Spitfire LF Mk. IX, P-47, FC3, SC, CA, WW2AP, CE2. Terrains: NTTR, Normandy, Persian Gulf, Syria
Predator-78 Posted March 24, 2020 Posted March 24, 2020 Nothing ... after the last beta update I can't fly, unstable FPS, the sim becomes unplayable ... what a rage! Hopefully a fix will be released in the next update! CPU: 12th Gen Intel(R) Core(TM) i7-12700K 3.60 GHz - DDR4 64,0 GB - MSI RTX3080ti - Win 11 64bit
AnarchyZG Posted March 31, 2020 Posted March 31, 2020 Similar if not the same issue here. 20FPS, CPU, GPU underutilized, still some free RAM... [sIGPIC][/sIGPIC] MATRIC developer Check out MATRIC and forget about keyboard shortcuts
aleader Posted April 1, 2020 Posted April 1, 2020 I posted in another thread, but yah, it's DCS, not your hardware. Same issues, low CPU, RAM and GPU usage, low temps, low FPS when over structures that 'sticks' and never recovers. "I mean, I guess it would just be a guy who you know, grabs bananas and runs. Or, um, a banana that grabs things. Why would a banana grab another banana? I mean, those are the kind of questions I don't want to answer." - Michael Bluth
Harker Posted April 1, 2020 Posted April 1, 2020 Similar if not the same issue here. 20FPS, CPU, GPU underutilized, still some free RAM... Your RAM is fully used. The 2 GB that are free are reserved by Windows and not available. There's likely a memory leak in DCS though. With 32 GB, I don't get FPS that low because my RAM doesn't max out, but I get low FPS in some cases, mainly because the CPU thread that runs DCS maxes out. The vCVW-17 is looking for Hornet and Tomcat pilots and RIOs. Join the vCVW-17 Discord. F/A-18C, F-15E, AV-8B, F-16C, JF-17, A-10C/CII, M-2000C, F-14, AH-64D, BS2, UH-1H, P-51D, Sptifire, FC3 - i9-13900K, 64GB @6400MHz RAM, 4090 Strix OC, Samsung 990 Pro
cmdramasu Posted January 20, 2021 Posted January 20, 2021 Hi all, Anyone knows what is the status of this issue?
fab.13 Posted January 20, 2021 Posted January 20, 2021 (edited) Hello cmdramasu, This is not an issue anymore in my point of view. DCS 2.5.6 needs are more about : - 32Gb Ram ( especially in MP ), - 8Go VRAM minimum ( > 8 for recent map as Syria, Channel... ) - CPU at 4,5 Ghz ( even an i5 2500k ) I upgraded from 16 to 32 Gb RAM from Gtx 1060 to Gtx 1080ti and DCS is now very good most of usecase. Edited January 20, 2021 by fab.13
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