How to enhance the FPS?

BiBa · January 23, 2016

In the Graphics Settings I couldn't find any option to choose / define the FPS (in comparison to FSX) where it can be set for e.g. to 60 FPS or indefinite. My PC specs in my signature must be sufficient to sustain a min. 50 FPS, as it's halved when I turn my 3D on.

Since the 1.5. Update the FPS fluctuate between 15 & 25, even though the CPU utilization in the Task Manager shows that all six cores are running, but at minimum speed, as the total CPU utilization remains under 35%.

So my question is why is DCS not pulling more performance out of the CPU when there is enough space for it and how to make it enhance the FPS?

Devrim · January 23, 2016

Biba, I had 560 too, but 1GB. They talked about performance increase with v1.5 and v2.0, but it went worse for me when versions were released.

So, I've only changed my gfx card (970 4GB) and I'm very happy (see my sign.).

I think upgrading display card will be a necessary for you too mate...

Slippery Pete · January 23, 2016

Getting a new graphics card solved all my problems, literally. It sucks having to pay just to upgrade for one game, but what can you do. Having a 4GB graphics card made all the difference in the world for me. A GTX 960 runs DCS like a champ, 70+fps at all times. I cant really have any complaints at this point. And this is coming from someone who used to think the engine was 'unoptimized', well you just need the right hardware. A $180 card did it for me.

Enduro14 · January 24, 2016

Getting a new graphics card solved all my problems, literally. It sucks having to pay just to upgrade for one game, but what can you do. Having a 4GB graphics card made all the difference in the world for me. A GTX 960 runs DCS like a champ, 70+fps at all times. I cant really have any complaints at this point. And this is coming from someone who used to think the engine was 'unoptimized', well you just need the right hardware. A $180 card did it for me.

Agree to a certain extent, 1080p no problem start getting into the modern high resolution and multiple screens then the gremlins show up

Brisse · January 24, 2016

So my question is why is DCS not pulling more performance out of the CPU when there is enough space for it and how to make it enhance the FPS?

The new game engine relies way more on graphics card, and frankly, yours is way below the recommended system requirements:

Video: NVIDIA GeForce GTX780 / ATI R9 290 DirectX11 or better;

I can imagine this change being annoying for those with older PC's but the old engine wasn't able to use modern PC's to their full potential. The new engine does that much better, and this change was necessary for DCS to move forwards as opposed to being stuck in the past.

BiBa · January 24, 2016

The new game engine relies way more on graphics card, and frankly, yours is way below the recommended system requirements...

If you get up to 70 FPS with a 4GB Graphic Card, then I should have up to 35 FPS with my 2GB, which is not the case!

Beside that even with the old FSX engine and the "FSPS - Xtreme FSX Booster v2" Add-On App that activates all cores, it keeps busy all my 6 CPUs up to 95% and can achieve up to the 60 FPS rate. So how is it there possible with an engine based on DirectX 9 and why the DCS DirectX 11 is it so inhibited and does not claim my CPUs over the 35% average?

One thing for sure, my Computer Specs exceeds the Minimum system requirements of the DCS World Download version:

OS 64-bit Windows 7/8/10; DirectX11; CPU: Core i3; RAM: 8 GB; Free hard disk space: 30 GB; Video: 2 GB RAM card, DirectX11 - compatible.

Edited January 24, 2016 by Biba

droopy114 · January 24, 2016

If you get up to 70 FPS with a 4GB Graphic Card, then I should have up to 35 FPS with my 2GB, which is not the case!

Beside that even with the old FSX engine and the "FSPS - Xtreme FSX Booster v2" Add-On App that activates all cores, it keeps busy all my 6 CPUs up to 95% and can achieve up to the 60 FPS rate. So how is it there possible with an engine based on DirectX 9 and why the DCS DirectX 11 is it so inhibited and does not claim my CPUs over the 35% average?

One thing for sure, my Computer Specs exceeds the Minimum system requirements of the DCS World Download version:
OS 64-bit Windows 7/8/10; DirectX11; CPU: Core i3; RAM: 8 GB; Free hard disk space: 30 GB; Video: 2 GB RAM card, DirectX11 - compatible.

http://forums.eagle.ru/showthread.php?t=157374

A good guide, you should have a look. Also post your in game options, it can help. In my experience, the shadows are FPS killer, set both of them to FLAT and FLAT ONLY. Be sure in your Nvidia Control Panel all is set to "application controlled", and important, the power management mode: set to "prefer maximum performance".

Devrim · January 24, 2016

By the way, before buying a mew card, you may want to try Hyperthreading thing. Turn off hyperthread feature in BIOS, if it has. And check it if you'll see a FPS difference in your current system.

BiBa · January 24, 2016

http://forums.eagle.ru/showthread.php?t=157374A good guide, you should have a look. Also post your in game options, it can help...

Thanks for the tipp, looks very promising, I'll check that up... Attached is my Graphics Setting

The main emphasis is, if my Graphics Settings are too high, shouldn't DCS boost my total CPUs to the maximum? Why doesn't it surpasses 35%? Before the update it used to go as high as needed and also the GPU was pumping high, as the sound of the cooling fan was obviously getting loud and clear. There is definitely something wrong here. Now my FPS is not going over 20. Really frustrating.

Enduro14 · January 24, 2016

Thanks for the tipp, looks very promising, I'll check that up... Attached is my Graphics Setting

The main emphasis is, if my Graphics Settings are too high, shouldn't DCS boost my total CPUs to the maximum? Why doesn't it surpasses 35%? Before the update it used to go as high as needed and also the GPU was pumping high, as the sound of the cooling fan was obviously getting loud and clear. There is definitely something wrong here. Now my FPS is not going over 20. Really frustrating.

I would say msaa down to 2 or 4

FSKRipper · January 24, 2016

Thanks for the tipp, looks very promising, I'll check that up... Attached is my Graphics Setting

The main emphasis is, if my Graphics Settings are too high, shouldn't DCS boost my total CPUs to the maximum? Why doesn't it surpasses 35%? Before the update it used to go as high as needed and also the GPU was pumping high, as the sound of the cooling fan was obviously getting loud and clear. There is definitely something wrong here. Now my FPS is not going over 20. Really frustrating.

Sorry to say so but you GPU is hardly reaching the absolute Minimum and looking at your ingame Settings they are way to high...

Visib Range low to medium, trees to 0 or at least 1500, Cockpit Display Resolution 512 Maximum.

Your current settings are typical for a 970 but not for use with a 560.

Also your CPU can't make up for the lack of GPU power so it would not reach it's maximum. I think with 20fps in your current Settings you should be very happy...

BTW DCS uses only one core for Simulation and one for Audio. It doesn't matter how much cores you have enabled.

Maybe you should start with everything at minimum and go up step by step until you reach the point at which it is not longer playable for you...

Edited January 24, 2016 by FSKRipper

BiBa · January 24, 2016

...before buying a new card, turn off hyperthread feature in BIOS...

I'll check that...

I was also looking for the GeForce GTX 970 4GB GDDR5 you bought, but I'm not sure if I'll have to fetch myself first a new motherboard, because mine has a 2.0 Bus Support, whereas the 970 has a PCI-E 3.0 Bus Support. Even if it is compatible I think there'll be a loss in power.

Edited January 24, 2016 by Biba

BiBa · January 24, 2016

...looking at your ingame Settings they are way to high...Maybe you should start with everything at minimum and go up step by step until you reach the point at which it is not longer playable for you...

OK, I'll try that...

...Also your CPU can't make up for the lack of GPU power so it would not reach it's maximum...

That sounds reasonable... Yet how comes in FSX both CPU and GPU go their maximum?

BTW DCS uses only one core for Simulation and one for Audio. It doesn't matter how much cores you have enabled.

Are you sure about that, because the CPU Performance in the Task Manager shows that all CPU cores are in operation during DCS. In my case all six of them.

As a lot of Simmers are constantly having FPS problems with each Update, It wouldn't be a bad idea if DCS would embed an option like the Xtrem FSX Booster V2 Add-On App - from FSP for FSX, that can read the hardware and adjust automatically the Graphics to the optimal setting!

Edited January 25, 2016 by Biba

BiBa · January 25, 2016

...Turn off hyperthread feature in BIOS, if it has...

I went into the Bios to check that Hyperthread option, but couldn't find it, or maybe I've used the wrong door? Can you give me the short cut? Thanks.

wilbur81 · January 25, 2016

By the way, before buying a mew card, you may want to try Hyperthreading thing. Turn off hyperthread feature in BIOS, if it has. And check it if you'll see a FPS difference in your current system.

Why would turning OFF hyperthreading help? Wouldn't having it on improve performance all the way around?

Devrim · January 25, 2016

I went into the Bios to check that Hyperthread option, but couldn't find it, or maybe I've used the wrong door? Can you give me the short cut? Thanks.

Probably we have different BIOS menu, but it's under Tweak (M.I.T.) / Advanced Frequency / Advanced CPU Frequency menu (or something like that).

Why would turning OFF hyperthreading help? Wouldn't having it on improve performance all the way around?

Honestly, I don't know the reason either, but I've seen positive contribution on FPS. I'm sure you can find nice readings that people explained well about this if you make a search. Maybe I'll make a video demo about that on same settings and replay-track. Edited January 25, 2016 by Devrim

BiBa · January 25, 2016

Probably we have different BIOS menu, but it's under Tweak (M.I.T.) / Advanced Frequency / Advanced CPU Frequency menu (or something like that)

The option to change Frequency is abled (in grey) but it seems there's no clear command to alter it, or could it be here the : "Advanced Clock Calibration"? (see attachment)

wilbur81 · January 25, 2016

Probably we have different BIOS menu, but it's under Tweak (M.I.T.) / Advanced Frequency / Advanced CPU Frequency menu (or something like that).

Honestly, I don't know the reason either, but I've seen positive contribution on FPS. I'm sure you can find nice readings that people explained well about this if you make a search. Maybe I'll make a video demo about that on same settings and replay-track.

Interesting. never hurts to try I suppose.:)

Devrim · January 25, 2016

Interesting. never hurts to try I suppose.:)

Definitely. :)

...or could it be here the : "Advanced Clock Calibration"? (see attachment)

Yea, I thought same option. You should check it, but your CPU is AMD. I mean although I have no knowledge about these, I think there's no "Hyperthreading" technology on AMD processors. Maybe I'm completely wrong.

If so, you can skip this step.

Flogger23m · January 25, 2016

The 560ti isn't cutting edge, and 1GB of VRAM won't help you. The GTX 670 was a big upgrade over that, and now I am on a 970. My problem still seems to be large numbers of aircraft. 25 static aircraft still half my frame rates. Make a busy air base with 20-30 aircraft and frame rates still drop into the single digits. The engine just doesn't seem to be capable of handling more than small scale missions, which is disappointing.

BiBa · January 25, 2016

The 560ti isn't cutting edge, and 1GB of VRAM won't help you...

It's the PALIT GeForce version of the GTX 560 with 2 GB VRAM, GDDR5, Memory Interface: 256bit, Graphics Clock: 810 MHz, Processor Clock: 1620 MHz.

Between the min. & best DCS requirement, my Computer Specs are a little above the average...

samolyet · January 25, 2016

Same experience here. Large numbers of aircraft and my framerates are gone, especially in the Red Flag Campaign. 1-2 fps. Unplayable whereas 1.5.2 runs smooth as silk.

dartuil · January 25, 2016

Seems like 1.5.2 dont like to have many aircraft. Bad framerate with strix 970, but i have first version maybe the 3.5gb issue?

FSKRipper · January 25, 2016

OK, I'll try that...That sounds reasonable... Yet how comes in FSX both CPU and GPU go their maximum?
Are you sure about that, because the CPU Performance in the Task Manager shows that all CPU cores are in operation during DCS. In my case all six of them.

As a lot of Simmers are constantly having FPS problems with each Update, It wouldn't be a bad idea if DCS would embed an option like the Xtrem FSX Booster V2 Add-On App - from FSP for FSX, that can read the hardware and adjust automatically the Graphics to the optimal setting!

For the number of cores, yes I'm sure. Only two are used for DCS.

Regarding FSX I can only assume limits in programming and memory usage (32bit). The game is 10 years old and I turned away after I made a landing at Heathrow (add on scenery) with 16 fps with my current Hardware. That's simply mad.

I think regarding the performance boost from 1.2.16 to 1.5.2 people often ignore that several effects (tree and cloud shadows f.e.) were added. I played 1.2.16 mostly on medium to high settings and with these exact settings 1.5 was a big performance gain for me but now you can activate even more advanced options (extreme visibility f.e.). These can eat most of the performance in object rich areas.

To give an example, in 2.0. with all options to high I can play with stable 50-70 fps but there is a mission made by Stuka including most of real life NTTR objects. There are also dozens of parked fighters on the Nellis ramp and when starting there my fps drop down to 25. So in my opinion DCS performance is more perspective based. For me it was a huge advance but I know I changed much of the possible Performance for even better graphics but that was ok since the hardware allows me to do that...

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