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Windows 7: Aero and ATI Catalyst?

11 Oct 2009   #21
Night Hawk

Windows 7 Ultimate x64, W10 Preview - Second remote tower Windows 7 Pro x64
 
 

What you have there is more of a ghosting effect to some extent. If you slowed down an old projector with a reel to reel film you would be missing a frame or two at times like when the picture goes black while you know the frame before and after has an image or scene.

For some reason I haven't been able to duplicate anything like that here with the 9.9 as well as trying if anything like that happens in IE or Opera as well as FF. One thing that comes to mind would be the refresh rate you have set. If at 60htz try raising it to 75htz to see if the problem persists.


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12 Oct 2009   #22
trenzterra

Windows 7
 
 

Is your WDM model listed in dxdiag is 1.1? Just checking.

Yeah I've tried refresh rate too. It's rather frustrating but I guess I'll live with it...

Hopefully Catalyst 9.10 will solve the issue.
My System SpecsSystem Spec
12 Oct 2009   #23
logicearth

Windows 8.1 Pro (x64)
 
 

If anyone is curious as to why this happens. It comes to light when the system is being used, relatively high CPU usage. To lower the RAM usage, cause you know everyone thinks RAM usage means low performance, Microsoft took the duplicate copy of DWM's assets out of RAM leaving a copy in VRAM as the sole copy.

Now here is the thing. The duplicate copies were there for GDI applications, GDI is not GPU accelerated, aside from a few functions. So the CPU would pull GDI from RAM, compute the GDI functions, then send to the GPU where the GDI compulation was merged. Okay so now what is different? WDDM 1.1 drivers remove that extra copy from system RAM. However, GDI is still computed on the CPU which means the CPU has to not only compute the GDI functions but it must go the long way to pull them from VRAM. That is a lot more latency compared to going to RAM.

So because people thought RAM usage is a cause of there lack of performance....meh.

WPF applications however do not have this problem. They are fully GPU accelerated. GDI itself while still required is slowly being phased out.
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12 Oct 2009   #24
Night Hawk

Windows 7 Ultimate x64, W10 Preview - Second remote tower Windows 7 Pro x64
 
 

Quote   Quote: Originally Posted by trenzterra View Post
Is your WDM model listed in dxdiag is 1.1? Just checking.

Yeah I've tried refresh rate too. It's rather frustrating but I guess I'll live with it...

Hopefully Catalyst 9.10 will solve the issue.
WDDM 1.1! Here's the DxDiag results for the card here.


Attached Thumbnails
-dxdiag.jpg  
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 Aero and ATI Catalyst?




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