Low frame rate

Beagle One · February 25, 2016

1.53 runs noticeably worse compared to last 1.2 Most notably is lots of pauses like the lagspikes we were used in MP, only that this happens in SP too now. I could run 1.2 basically maxed out and now cant even get smopth frames in medium setting. usinf flat terrain shadows and no HDR even removing AA and AF does not really help.

Kuky · February 25, 2016

Can you please try setting Shadows option to Flat Only?

See here: http://forums.eagle.ru/showpost.php?p=2690847&postcount=133

Stonehouse · February 25, 2016

Just wondering whether people notice the same framerate issues in external view? My thought was perhaps certain aircraft cockpits might be worse fps wise than others with 1.5.3?

I can remember for instance when the P-51 hadn't been out long and probably wasn't optimised fully that a friend saw a significant fps drop sitting in the P51 over an A10.

Has anyone tried testing different aircraft/external F2 view to see if it is uniformly a problem regardless of aircraft/perhaps related to cockpit view interacting with the outside view?

ie Does the terrain cause the same effect of big drops in fps in F2 view?

Tonike · February 25, 2016

Smooth as a coarse granite.

https://youtu.be/iEu_rT2WKUk

All settings lowest possible, except resolution which is 1920x1080.

i7 2600k @ 4.7GHZ, Asus Gtx 980 strix, 8Gb DDR3 1600mhz, W7 64bit.

I'm so tired trying to get this game to play smooth. Pretty much every other game works without problems. Maybe I try this next year again.

Edited February 25, 2016 by Tonike

Ramsay · February 25, 2016

Smooth as a coarse granite.
...

Your video shows exactly the issue - as soon as you 'zoom' your view onto the target, there is a huge framerate drop (almost like a lag spike)

It is exactly what I experienced with 1.5.3 in SP and MP (hosting - if I zoomed and had a Frame lag/freeze, so did the other player).

I'll test Mustang's 1.5.2 visibility settings in MP later - ATM in SP, I perhaps have a short lag/freeze when zooming but not the 1-2 second slide show of 1.5.3

Edit: Using Mustang's 1.5.2 visibility settings in MP - the other player had no frame lags or freezes.

Note: I'm running a 2.8 GHz i7 and GTX670 - so am mostly CPU bound due to the i7's low clock.

Edited February 26, 2016 by Ramsay
MP test

msalama · February 26, 2016

Yup Tonike, those spikes are exactly what I'm seeing in v.1.5.3 too.

Rabb · February 26, 2016

Smooth as a coarse granite.

https://youtu.be/iEu_rT2WKUk

All settings lowest possible, except resolution which is 1920x1080.

i7 2600k @ 4.7GHZ, Asus Gtx 980 strix, 8Gb DDR3 1600mhz, W7 64bit.

I'm so tired trying to get this game to play smooth. Pretty much every other game works without problems. Maybe I try this next year again.

Att also Ramsay and msalama:

Tonike, you have a really strange problem. As I've posted on Youtube, it is really strange your video memory (both VRAM and RAM) usage is low. I fly DCS on an old PC (AMD Phenom II X4 955BE, underclocked from 3200 to 2600 MHz, ATI 1GB graphics card and 4GB RAM, and an old HDD on W7 64). For quite some time, I've been having problems with low FPS and stutters. Or, to be more precise, game freezes (stutters lasting for up to 30 seconds or a minute). And it usually happens when I'm moving my head for a look at a hangar wall (yeah!) or when zooming in at ground or when Su-27 or F-15 pops up close by and I try to engage in dogfight (because of a stutter/pause, I usually lose visual contact and occasionally get killed afterwards... :| ). With each new edition of DCS, performance dropped (except 1.5, which stayed similar or is better than previous, non-EDGE version).

There was a memory leak in DCS 1.5 which caused problems like those described and even much worse earlier. Insufficient video memory RAM (total video memory used by DCS, which is actually VRAM+RAM+HDD/SSD space) is the most usual culprit, as far as I've found out. Total DCS video memory usage can be checked by pressing RCtrl+Pause twice and it appears in yellow text at upper-left corner of DCS window. On online servers, memory usage is significantly higher than offline (twofold or threefold even, which multiplies with number of players and time spent online at a server). Although memory leak is pretty much solved, longer you stay online, more video memory DCS would require. It looks like textures and data game loads for new-joined players it never clears once they disconnect.

So, when you say game uses a third of your available resources, it sounds really strange. Because, online, mine video memory usage goes from 3GB up to 6.5GB (usually on the high end), by which point it becomes practically unplayable (so it can be quite higher than that). With your PC, by all my experiences, it should be smoothless. So, back to the basics, check if your graphics card is in the right slot, and make sure W7 uses developer's drivers instead of OEM ones. Turn off OEM graphics card auxiliary/OC software. Turn off AA, AF, etc in GC control panel and turn it on within game. Turn off all unnecessary processes in Task manager (although, with that PC you shouldn't have to).

Considering my PC, I found a solution to make my DCS playable on it, while on popular servers.

Edited February 26, 2016 by Rabb

msalama · February 27, 2016

...all unnecessary processes in Task manager (although, with that PC you shouldn't have to).

Thanks for the reminder, but I've re-checked all that already. This machine runs 20 processes and 25 services all told when at idle and it ran v.1.5.2 without hiccups anyway, so I'm pretty sure this particular problem is not at my end.

Tonike · February 27, 2016

. So, back to the basics...

Everything is just fine on my rig. Since this is the _only_ game performing like this, I'd say it's something within the game engine.

But I'll be soon ordering an SSD, so we'll see if that makes any difference.

Sporg · February 27, 2016

Smooth as a coarse granite.

https://youtu.be/iEu_rT2WKUk

All settings lowest possible, except resolution which is 1920x1080.

i7 2600k @ 4.7GHZ, Asus Gtx 980 strix, 8Gb DDR3 1600mhz, W7 64bit.

I'm so tired trying to get this game to play smooth. Pretty much every other game works without problems. Maybe I try this next year again.

Remember that 8 GB is the minimum requirement for DCS.

That could be the main cause of your problems.

With that said, I play with 8 GB RAM and a GTX 670 mostly stutter-free after enabling HPET timer in Windows 7 64-bit.

I do always force fullscreen in DCS with LAlt-Enter, as this helps too.

Enabling/disabling HPET timer:

http://forums.eagle.ru/showpost.php?p=2526575&postcount=22

(My post in that thread is with regards to 1.5.0, I had to reduce my settings since then.)

secret1962 · February 27, 2016

Remember that 8 GB is the minimum requirement for DCS.
That could be the main cause of your problems.

With that said, I play with 8 GB RAM and a GTX 670 mostly stutter-free after enabling HPET timer in Windows 7 64-bit.

I do always force fullscreen in DCS with LAlt-Enter, as this helps too.

Enabling/disabling HPET timer:
http://forums.eagle.ru/showpost.php?p=2526575&postcount=22
(My post in that thread is with regards to 1.5.0, I had to reduce my settings since then.)

I'd really like an explanation on how the new engine DOUBLED the recommended (actually minimum, since.. ->) RAM. 8 GB ram is the not the minumum either because if you play on multiplayer it will just rise to 6 gb and half and freeze your PC. As soon as you get into the cockpit (I am serious about this one, and it's really annoying that the game keeps freezing every once in a while for like 10 seconds).

Before EDGE RAM usage was maximum 3 gb, now it's 6 gb and half, and it keeps rising. I don't see much more stuff going on than before sincerely. Not something that would justify 3.5 gb more used on the RAM. That's all.

I'm very concerned about not being able to play anymore unless I buy more RAM.

Am I seriously the only one ? Does everyone have 16 gb and just don't give a damn about the strange increased ram usage ?

I'd like a detailed description of what's going on.

Rabb · February 27, 2016

Thanks for the reminder, but I've re-checked all that already. This machine runs 20 processes and 25 services all told when at idle and it ran v.1.5.2 without hiccups anyway, so I'm pretty sure this particular problem is not at my end.

Impressive reduction in processes and services. Actually, that part of my post was related only to Tonike's problem, with a strange symptom of low VRAM and RAM usage.

Tonike · February 27, 2016

Impressive reduction in processes and services. Actually, that part of my post was related only to Tonike's problem, with a strange symptom of low VRAM and RAM usage.

As I said, I'm running the game with lowest of the low graphical options and work my way up there. But I can't run this thing smoothly even with lowest possible setup.

Low graphical settings probably explain the low VRAM and RAM usage. My PC could do lot better, but the game won't let me. RAM isn't issue here. Just look at the RAM usage.

Theskyline35 · February 27, 2016

I'd really like an explanation on how the new engine DOUBLED the recommended (actually minimum, since.. ->) RAM. 8 GB ram is the not the minumum either because if you play on multiplayer it will just rise to 6 gb and half and freeze your PC. As soon as you get into the cockpit (I am serious about this one, and it's really annoying that the game keeps freezing every once in a while for like 10 seconds).

Before EDGE RAM usage was maximum 3 gb, now it's 6 gb and half, and it keeps rising. I don't see much more stuff going on than before sincerely. Not something that would justify 3.5 gb more used on the RAM. That's all.

I'm very concerned about not being able to play anymore unless I buy more RAM.
Am I seriously the only one ? Does everyone have 16 gb and just don't give a damn about the strange increased ram usage ?

I'd like a detailed description of what's going on.

You are absolutely NOT the only one by just seeing all new thread concerning FPS issue ! And some people here still thinking that OUR PC are the problem whereas is clearly not the case ! It's DCS 1.5.3 the only problem here !

And my game is even worse than yours : [ame]

[/ame]

Whereas as a french youtubeur I'm making videos for months on DCS 1.5 without any issues...before 1.5.3 (for instance:

)

Dev need to fix that issue, I just can't play DCS anymore, it's suttering simulator :cry:

Edited February 27, 2016 by Theskyline35

Kuky · February 28, 2016

You can lower visibility distance to low. You can lower shadows to flat only. Just to name a few. If your pc cant run it on high settings then common sense would be to use lower settings... whuch you haven't done but you complain anyway.

johnrambo84 · February 28, 2016

im having the same problem with the mirage only,2fps, even with visability turned down to 100 and shadows off.strange issues,posted about it on the razbam forum.ill patiently wait for a fix..

CoBlue · February 28, 2016

I also noticed stuttering, pauses & low fps in 1.5.3.

MP loads forever & sometimes it's a slideshow.

It was much smoother in 1.5.2 with the same in game settings, so something must have been introduced in 1.5.3 that makes it harder on the system!

Enduro14 · February 28, 2016

Well like it has been said multiple times try,

Repair

Set visibility distance to lower setting

Flat shadows on

Terrain flat shadows on

Also get the mod from mustang that gets rid of forest shadows

Turn down draw distance of trees

Turn off ground clutter

No mirrors

Engine is advancing graphically and I suspect some teething issues, but bottom line you won't be able to max this sim out with current hardware.

decipher · February 28, 2016

You can lower visibility distance to low. You can lower shadows to flat only. Just to name a few. If your pc cant run it on high settings then common sense would be to use lower settings... whuch you haven't done but you complain anyway.

if there is a drop in FPS after DCS got an update, then it is most probably a problem with the software and not the PC or settings.

i saw you mention that they changed the default visibility settings (low,mid,high,ultra,extreme etc), which would of of course will have an effect on performance.

[on a side note i think it was a bad idea to change these, because people will be angry if they used to play on "high" and now high gives worse frame rates, even if now "mid" will give the same results. this is a psychological thing. instead they should have just added a new setting and leave the old ones as they were.. something like "are you crazy?!" or "my PC costs more than your car" or "supermegaultraextremeultimatehigh!"]

but i really don't see a point with people trying to tell other people "oh its your PC, lower your settings, etc etc" here, when it is clearly a software "problem". even though 1.5.3 now is a "non-beta" release, i think it is safe to say, with the crazy intense time-schedule ED set onto themselves and working on merging the two projects and getting the engine to run properly, it is more or less still buggy like a beta version and really needs a lot more optimization once it runs stable again. optimization for PERFORMANCE.

Kuky · February 28, 2016

i saw you mention that they changed the default visibility settings (low,mid,high,ultra,extreme etc), which would of of course will have an effect on performance.

[on a side note i think it was a bad idea to change these, because people will be angry if they used to play on "high" and now high gives worse frame rates, even if now "mid" will give the same results. this is a psychological thing. instead they should have just added a new setting and leave the old ones as they were.. something like "are you crazy?!" or "my PC costs more than your car" or "supermegaultraextremeultimatehigh!"]

I disagree completely.

1. setting were adjusted because they needed adjusting (there is more reasons why which you simply don't know anyway)

2. if people with low and medium PC could play with high FPS on high settings then clearly these settings did not fit the description they represent

3. if it's a psychological thing, as you say, then accept that it is psychological effect on the user which user needs to understand and adopt, and not a problem with the software.

4. if settings user picks do not give good fps and user has option to lower them (provided user's PC meets the minimum specs), then it is user error if the user does not chose to do so.

and I will repeat one more time:

The tweaked values of the terrain config files are NOT the reason why users have bit of stuttering in areas with large forests when they have dynamic shadows on. People should quite frankly stop blaming these changes to their problem with this as they are NOT RELATED! The tweaked values also give better visuals for lower visual distance setting... so user should not feel shy or offended if user needs to pick lower name setting then what they had before the update. There is no difference in Low setting in 1.5.3 compared to High (or even Ultra) settings in most areas... if user can't distinguish this this is again user error!

When someone shows a video of them using highest setting in game and then complain they have not 60fps... this is user error because this user did not know/see/understand, or refuses to, chose appropriate setting for his/hers PC. This user can pick lower setting that is SUITABLE for his/her PC, but chooses not to... and then complains. wow.

FACT is, on my 3 year old system (and graphics card which is not the most top hardware) can play on 4K resolution and High visibility setting, and get good FPS... this proved that DCS 1.5.3 is NOT a hog or plays like shit, as some people make it out to be. I have no more patience with these kinds of people.

Edited February 28, 2016 by Kuky

msalama · February 28, 2016

and not a problem with the software.

When I can't get the SW to run smoothly on any settings anymore, then it damn right is a problem with the SW. And contrary to your suggestions, it's not my PC either. This machine is pretty lean and mean and it ran v.1.5.2 flawlessly.

Plus I'm not the only one by far who's suffering from spiky stutters and pauses now. And yet, if we are to believe you, there just can't be anything wrong with v1.5.3... :doh:

Kuky · February 28, 2016

Whatever

Enduro14 · February 28, 2016

Lord like I've said multiple times I have no problems since adjusting my usual settings aka going from ultra to high. I can only guess those who have additional problems need to do a reinstall or seriously check their settings to pc hardware

Mowgli · February 28, 2016

My Experience with Bad FPS

When I fly the Georgian Oil war first missions, over the coast , I get low FPS about 28-30 while on other campaigns or missions I get steady 60 FPS.

My opinion is that it is something related to the scenery near major cities on the coast line since when I zoom in to the cockpit the FPS return to steady 60 FPS and when looking back to the scenery the FPS drops sharply.

Until ED don't fix this issue the Georgian Oil Campaign is not flyable for me...:(

Beagle One · February 28, 2016

Im really beginning to wonder how ED and 3rd partie are assuming to make any profit out of a game that runs worse with every update. I feel really deterred to invest in any more modules as long as my gaming PC bought in 2014 can't even run the one Module I own. I really dont intend to invest 1000€ all 2 years into new hardware just to run a desktop Simulation game

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