New over spec'ed rig stutters????

[IceFire]

I'm betting is video card related. Especially after you said using the default nVidia settings made it worse.

Is the GTX 750 new or did that come from the old system? It's a little lower powered but it should manage IL-2 1946 no problem (you say it does BoS just fine anyways ).

In the nVidia control panel setup a custom set for IL-2 1946.exe.

• Turn off Antialiasing Transparency
• Set Power Management to "Prefer maximum performance"
• Set Threaded optimization to Off.

See if that helps.

Basically IL-2 is a very old game using OpenGL (even in Direct3D mode - turn that off BTW... go back to OpenGL), and it doesn't understand or work with some of the optimization and power controls that modern GPUs have. It has a terrible time with some of the modern antialiasing too. Go full out 8x AA but don't do anti aliasing transparency (that'll choke on clouds and fences in IL-2 for example) or anything fancy.

[Spudkopf]

Originally Posted by IceFire

I'm betting is video card related. Especially after you said using the default nVidia settings made it worse.

Is the GTX 750 new or did that come from the old system? It's a little lower powered but it should manage IL-2 1946 no problem (you say it does BoS just fine anyways ).

In the nVidia control panel setup a custom set for IL-2 1946.exe.

• Turn off Antialiasing Transparency
• Set Power Management to "Prefer maximum performance"
• Set Threaded optimization to Off.

See if that helps.

Basically IL-2 is a very old game using OpenGL (even in Direct3D mode - turn that off BTW... go back to OpenGL), and it doesn't understand or work with some of the optimization and power controls that modern GPUs have. It has a terrible time with some of the modern antialiasing too. Go full out 8x AA but don't do anti aliasing transparency (that'll choke on clouds and fences in IL-2 for example) or anything fancy.

G’day IceFire

Thanks for the quick response, the GTX 750 was purchased some 8 months ago as part of the stock for upgrade, I would prefer to have get a GTX 950, but I had to cut build costs somewhere, so this is probably the weakest part of the whole build, yet having said that the GTX 750 should still be much better that than the old (and now W10 unsupported) Gigabyte 9800GT 1GB card that was in the old rig build.

The only reason I switched to Direct X was to confirm whether the issue existed across both Dirext X and Open GL platforms, as part of the fault finding process .

I’ll give your suggestions a go and see if this fixes things.

I’ve also found a thread over at SAS “Smooth, Stutter-free visuals in Il-2 with no screen tearing” for machine with very similar GPU, CPU, SSD and RAM spec’s and I have asked the author if he can send me his conf.ini and Nvidia settings as a further avenue into fixing this problem.

[Notorious M.i.G.]

Have you tried a map other than Slovakia? It's pretty system-intensive and some areas on my rig (mainly Trencin and Bystrica) end up with some huge framerate drops, which is a shame because it's a really pretty map.

As IceFire said though, OpenGL has really fallen behind DirectX through the years and it really suffers, but I guess that's the price we pay for the perfect water

[Spudkopf]

Originally Posted by Notorious M.i.G.

Have you tried a map other than Slovakia? It's pretty system-intensive and some areas on my rig (mainly Trencin and Bystrica) end up with some huge framerate drops, which is a shame because it's a really pretty map.

As IceFire said though, OpenGL has really fallen behind DirectX through the years and it really suffers, but I guess that's the price we pay for the perfect water

G’day Noto….. M.I.G.

As I was able to fly this map on my old rig virtually stutter free, the problem must be either in the conf.ini or within the Nvidia settings or a mismatch between the both, I even used to be able to do this with the Nvidia settings set to the default, something I can no longer do now.

I did try out IceFire’s suggestions but these had no discernible effect, leading me to further believe the conf.ini may be the culprit.

So I tried running another copy off the dedicated simming SSD, which turned out having a different conf.ini as it was strangely set to a resolution of 640x480, not sure but the stutter seemed to be almost gone , so I quickly changed the res’ back to 1920/1080 in notepad then relaunched, but as I could only go for a very short flight as it was getting very late and I was well overdue for hitting the hey at that stage, I’ll need to go for another flight this evening to confirm any change in the stutter status.

What I think I need to do is get a fresh copy of a conf.ini that is optimised for best graphics results and see how this goes, as maybe I have an incomplete or conflicting set of flags somewhere.

On a parallel subject, where do I find the key assignments and are these able to be edited outside of the sim in notepad or another text editor? As I’d like not to have to manually reassign the controller buttons if I can at all help it.

[KG26_Alpha]

Hi

Here's my config.ini open GL settings that work in-conjunction with NV Control panel settings I have tweaked just right for performance and eye candy.

Firstly if you have issues with these settings then somethings wrong with either the NV control panel settings or the power supply to the GPU is insufficient for the card.

Have fun and remember to back up your old conf.ini settings.

[Render_OpenGL]
TexQual=3
TexMipFilter=2
TexCompress=0
TexFlags.UseDither=1
TexFlags.UseAlpha=0
TexFlags.UseIndex=0
TexFlags.PolygonStipple=1
TexFlags.UseClampedSprites=0
TexFlags.DrawLandByTriangles=1
TexFlags.UseVertexArrays=1
TexFlags.DisableAPIExtensions=0
TexFlags.ARBMultitextureExt=1
TexFlags.TexEnvCombineExt=1
TexFlags.SecondaryColorExt=1
TexFlags.VertexArrayExt=1
TexFlags.ClipHintExt=0
TexFlags.UsePaletteExt=0
TexFlags.TexAnisotropicExt=1
TexFlags.TexCompressARBExt=1

TexFlags.TexEnvCombine4NV=1
TexFlags.TexEnvCombineDot3=1
TexFlags.DepthClampNV=1
TexFlags.SeparateSpecular=1
TexFlags.TextureShaderNV=1

HardwareShaders=1

Shadows=2
Specular=2
SpecularLight=2
DiffuseLight=2
DynamicalLights=1
MeshDetail=2
VisibilityDistance=3

Sky=2
Forest=3
LandShading=3
LandDetails=2

LandGeom=2
TexLarge=1
TexLandQual=3
TexLandLarge=1

VideoSetupId=17
Water=3
Effects=1
ForceShaders1x=0

PolygonOffsetFactor=-0.15
PolygonOffsetUnits=-3.0

[vpmedia]

I had problems with the latest nvidia driver. When I was looking at ground textures I had huge amount of screen tearing, when looking at the sky all was normal, I've never seen anything like. I rolled back to 314.22 and the problem was gone. Reshade/SweetFX needs the latest drivers unfortunately.

old drivers: http://www.oldapps.com/nvidia.php

[Spudkopf]

Originally Posted by KG26_Alpha

Hi

Here's my config.ini open GL settings.........

G'day KG..... / VP.....

KG, thanks will suck 'em in and give it a try, however the entire situation may actually change over the weekend, as I sort have, kind of picked this up on the way home yesterday.....



Gigabyte GeForce GTX950 xtreme gaming 2GB DDR5, or as Jeremy Clarkson would say "More Power".

Now here's hopping that my current 700W power supply is up to the task, as I'm quite sure any further expenditure for an upgrade to something larger is not something I can even start to contemplate, seeing that I had to put up my very best grovel to the Minister of Finance to get my hands on the above.

Something I'm pretty damn sure She'll be making me pay for it for at least the rest of the month if not far much longer!

[Igo kyu]

That's a bit faster.

However, the thing with graphics cards is that the first number is generally a year or generation (Erm, I'm not sure I understand the current AMD card designations). So the Gtx 950 is more or less the current version of the Gtx 750. Looking at a comparison website, I'm seeing it as something like 25% or 50% faster, which is not to be sneezed at, but it's not going to be a massive difference.

nVidia are about to announce high end cards tomorrow, those will be eyewateringly expensive.

[Treetop64]

Originally Posted by Spudkopf

G'day KG..... / VP.....

Gigabyte GeForce GTX950 xtreme gaming 2GB DDR5, or as Jeremy Clarkson would say "More Power".

Now here's hopping that my current 700W power supply is up to the task, as I'm quite sure any further expenditure for an upgrade to something larger is not something I can even start to contemplate, seeing that I had to put up my very best grovel to the Minister of Finance to get my hands on the above.

Something I'm pretty damn sure She'll be making me pay for it for at least the rest of the month if not far much longer!

700w should be well more than enough for a GTX 950. I have an EVGA GTX 950 SC+ and it only requires a 350w PSU (mine is 650w). The 950s with their new architecture are extremely efficient cards.

One thing you'll want to keep in mind is that different versions of the 950 have different power requirements. Some require a 6-pin PCIe plug while other 950s require an 8-pin PCIe plug. The stronger, more aggressively OC'ed versions (i.e. EVGA GTX 950 FTW) need more juice.

Also, make sure the plug you might have hanging loose is specifically labelled as a PCIe plug, not a standard power plug (6-pin, 8-pin, or otherwise). They're not the same thing.