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IL-2 Sturmovik The famous combat flight simulator.

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  #1  
Old 05-13-2008, 05:25 PM
Skarphol Skarphol is offline
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OK, thanks for your replies.
I tried to set ProcessAffinityMask=2, and I set:
Forest=3
LandShading=3
Water=4

Then I overrided AF to just 4x. That made the graphics rather 'edgy'.
But the FPS stayed at an average of... 37! Excactly the number I had in the first place!
This is really strange, I would at least have thought that reducing the AF would have made an impact. I'll have to study this more..

Skarphol
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  #2  
Old 05-13-2008, 07:06 PM
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mazex mazex is offline
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I don't know if you are aware that Vista is really bad at OpenGL due to m$ design decisions that may be interpreted as almost a stab in the back of OpenGL? DirectX is really no fun in IL2 as you get no perfect settings etc. but it would be interesting to know the fps you get using DirectX?

As I use a dual boot config I have tried OpenGL in Vista 64 premium and the fps is a lot worse than Dx (which looks a lot worse at the other hand)...

I found some old benchmarks i posted at Ubizoo way back when (feb 2007, same rig but IL2 version 4.0.7.1m - I used Vista 32 Ultimate back then instead of 64 which makes no difference I guess).

Interesting to note is that I lost 20 fps in BlackDeath (at the end of the quote) between Vista and XP. Not far from your score in Vista. Sure the dirvers have improved a lot since then to I'm gonna reboot and try it out. At the other hand the 4.09 landgeom=3 makes the 72km range happen that should do some negative stuff for the fos (5 fps as noted in this thread).

Quote:
Originally Posted by mazex at ubi in february 2007

...

I first booted it in Vista using 100.59 forceware and IL2-1946 version 4.0.7.1m

I used 1280x960x32 and maximum settings (not perfect to be able to compare OGL and DX at first).

I just took a quick mission (A20C-Crimea-No AAA) and flew straight forward default FOV inside and checked the FPS using fraps. Default forceware settings, no anisiotropic filtering or aa, but with vertical sync off (no fun fps otherwise).

DirectX - 105fps
OpenGL - 70fps

Then I did it "my way" using 1280x1024x32, OpenGL perfect settings, water=4, 16x anisotropic and 16qx aa, and then I got 80fps. Weird, better than the test above with no bells and whistles.

OK, so how about XP then?

Same settings as above (accept forceware 97.92 for XP).

Standard settings:

DirectX: 150fps
OpenGL: 150fps

And "my way" all bells and wistles: 115-120fps (and it looks awsome! )

...

To be a bit more professional about the testing, I did the BlackDeath track fraps test as NerdConnected did... "my way" settings (OGL 1280x1024x32, perfect landscape, water=4, 16x anisotropic, 16qx anti aliasing):

XP(SP2):

2007-02-05 22:52:04 - il2fb
Frames: 9886 - Time: 155544ms - Avg: 63.558 - Min: 31 - Max: 113

Vista 32 Ultimate:

2007-02-05 23:00:09 - il2fb
Frames: 6571 - Time: 155252ms - Avg: 42.325 - Min: 19 - Max: 87
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  #3  
Old 05-13-2008, 09:32 PM
Skarphol Skarphol is offline
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Wow!
Switching to DirectX, but otherwise unchanged raised the FPS to an average of 82!
But it lookes a lot worse, especially the water.

Another strange thing was that I was unable to switch to DirectX while in hardware setup inside the game. When I switched to DirectX it switched back to OpenGL on its own. I had to exit the game and use IL2Setup.exe instead. No big deal though.

I think I will switch back to OpenGL, it looks so much better and in usual flying my FPS is around 50-60, so its not exactly a slideshow. Even though I had expected higher framerates..

Skarphol
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  #4  
Old 05-13-2008, 11:24 PM
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mazex mazex is offline
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Well, I rebooted in Vista which does not happen often... Uninstalled the beta SP1 and installed the real one. Installed the Nvidia Forceware 175 64-bit driver and booted IL2 to laugh at Vista again... Right from the beginning something felt wrong. It did not feel like I was on another computer like it used to do when booting into Vista... Started fraps usning the EXACT same settings as in XP (copy of the same directory). These where my results now:

Vista 64 Ultimate SP1 (4.09 OpenGL all maxed out in settings and conf.ini (72km etc) - 16XAniso+16QX AntiAliasing etc.)

2008-05-13 23:48:36 - il2fb
Frames: 10444 - Time: 155165ms - Avg: 67.309 - Min: 20 - Max: 114


I was shocked and booted back into XP 32 and rerun the exact same settings:

XP 32bit SP3 (4.09 OpenGL all maxed out in settings and conf.ini (72km etc) - 16XAniso+16QX AntiAliasing etc.)

2008-05-14 00:00:59 - il2fb
Frames: 10638 - Time: 155549ms - Avg: 68.390 - Min: 23 - Max: 118


Adding my score from february 2007 posted above for easy comparison:

XP(SP2):

2007-02-05 22:52:04 - il2fb
Frames: 9886 - Time: 155544ms - Avg: 63.558 - Min: 31 - Max: 113


Vista 32 Ultimate:

2007-02-05 23:00:09 - il2fb
Frames: 6571 - Time: 155252ms - Avg: 42.325 - Min: 19 - Max: 87



What the heck! Vista is supposed to be crappy at OpenGL. It must be SP1 that did the trick, or is it some magic with the 175 Nvidia driver? Following the same tests as in february 2007 posted above I also started a straight A20 run in Crimea with no AAA.

XP - 106 fps
Vista 103 fps

XP has dropped from 115-120 at maxed settings compared to the 2007 results but this is with 4.09 72km so it looks a lot better... The amazing conclusion is that Vista is now just a few percent worse than XP. I never thought I would say it but Vista seems to work for OpenGL games now! The problem is that the damage is already done. I guess that Oleg was shocked about how bad OpenGL worked when Vista was released and redid the whole engine in DX10/9 causing a 1 year+ delay as he realized OpenGL was going to die with the poor Vista preformance...

Well - back to this thread - Skarphol, have you installed SP1 for Vista? Are you rinning the 175 forceware drivers for your Nvidia card?

Good luck! /Maxex
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  #5  
Old 05-14-2008, 08:49 PM
virre89 virre89 is offline
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The game suffers from FPS drops overallt it's nothing unusally i've same system as you except i've one of the newer gts the 512mb version. There's some areas and citys that just completly drops fps when flying around / threw.. and that's not because the graphic card can't keep up but more of a leak in the Ingame engine. Remember it wasnt built for thoose graphic cards in mind.
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  #6  
Old 05-14-2008, 09:06 PM
Skarphol Skarphol is offline
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Thanks for all of your replies!

Yes, I am running the Service Pack 1.
The current drivers of my graphics card is "7.15.11.6906" according to the device manager. I have to check out what "Forceware 175" is.

I will have to do some research into this, but really don't have the time nowadays.

Skarphol
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  #7  
Old 05-14-2008, 10:10 PM
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mazex mazex is offline
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Quote:
Originally Posted by Skarphol View Post
Thanks for all of your replies!

Yes, I am running the Service Pack 1.
The current drivers of my graphics card is "7.15.11.6906" according to the device manager. I have to check out what "Forceware 175" is.

I will have to do some research into this, but really don't have the time nowadays.

Skarphol
Then you have the Forceware 169.06 which is rather old (but what the performance gain is going to 175 is naturally hard to tell, they claim OpenGL performance improvements in the 175 readme). The current version is 175.16 - download it here (64 bit Vista version):

http://www.nvidia.com/object/winvista_x64_175.16_whql.html

Regards /Mazex

Last edited by mazex; 05-14-2008 at 10:12 PM.
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  #8  
Old 05-14-2008, 10:28 PM
Skarphol Skarphol is offline
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OK.

I upgraded the driver and now it says "7.15.11.7516" so I guess the driver has been updated as it should.

With DirextX I got an average of 90, the same as before I upgraded the driver.
With OpenGL I got an average of 51, a ca. 50% increase in framerate..
but the graphics went very bad!!
Look:


I'll check on this tomorrow.

Skarphol
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  #9  
Old 05-16-2008, 04:30 AM
Deovis Deovis is offline
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I have 1280x960x32 AAx4 AFx4 all setting up but effects and water(1 and 3),Visibility on 72km, with vertical syncro and triple buffering i have a 50fps avg and 60 fps on the real time counter of the game's fps counter.
Nvidia control panel:
AA gamma correction and AA transparency(multi and super sampling) disabled (il2 doesnt use them); mipmap filtering disabled(if you use Anisotropic Filtering it is useless); Thread optimization disabled(the game is not optimized for multi core processors).

amd 6400+ 3.2ghz dual core( not overclocked)
4GB of ram 800mhz
evga 8800gts 640mb superclocked

Quote:
I also used ProcessAffinityMask=2 which only uses the second core I believe. Even having a four core system, Il2 seems to run best using only Core#2 for some reason. If there is a way to somehow optimize this quad core system I am all ears.
Once and for all guys!!!
IL2 is an old game. It was designed and optimized only for one core processors.If you have a multicore one, you can assign, with the ProcessAffinityMask, only one core(it is not important which one) totally devoted to Il2. YOU CAN'T USE MORE THAN ONE CORE!!! STOP!!!

Fair wind and goodbye!!!

Last edited by Deovis; 05-16-2008 at 04:36 AM.
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