[RC5] CUDA for Windows questions

SideWinder sidewinder at kolumbus.fi
Wed May 6 11:52:53 EDT 2009

On 6.5.2009 16:19, Roderick Fikel wrote:
> Will installing CUDA drivers for my video card replace the current drivers that shipped with my system  or will they work along side the original drivers?

The CUDA driver works "along side" the DirectX and OpenGL drivers 
(formerly known as "ForceWare"), but they are packaged in the same 
installer. The CUDA driver requires support from the other parts of the 
driver package, so AFAIK it's not possible to use old non-CUDA-aware 
drivers with the CUDA driver.

So the short answer is yes, the driver package that includes the CUDA 
driver will replace the drivers that shipped with your system, but on 
the other hand, the new DirectX and OpenGL drivers will probably be much 
better anyway.

> Will installing the CUDA drivers make game play less enjoyable or limit the system?

No (assuming you don't run CUDA applications at the same time as playing 
or otherwise using the system).

> After installing the new drivers will the graphics controlls be replaced?

The driver spesific controlls will be replaced. Whether they will be any 
or much different than your current controls depends on your current 

> Would my wife notice the changes? (LOL)

Most probably yes, if you run the CUDA client all the time with that 
system. As has been suggested by others, for no usability impact, you 
should set it up to launch with the screensaver launcher. If you also 
wish to run the CPU client at the same time as well, you need to add one 
system environment variable. Instructions are here:

> System specifics
> ASUS GT50vt-x5
> OS Name    Microsoft® Windows Vista™ Home Premium
> Version    6.0.6001 Service Pack 1 Build 6001
> Other OS Description     64
> System Manufacturer    ASUSTeK Computer Inc.
> System Model    G50VT
> System Type    x64-based PC
> Processor    Intel(R) Core(TM)2 Duo CPU     P7450  @ 2.13GHz, 2133 Mhz, 2 Core(s), 2 Logical Processor(s)
> BIOS Version/Date    American Megatrends Inc. 210, 1/8/2009
> SMBIOS Version    2.5
> Locale    United States
> Hardware Abstraction Layer    Version = "6.0.6001.22150"
> Installed Physical Memory (RAM)    4.00 GB
> Total Physical Memory    4.00 GB
> Total Virtual Memory    8.17 GB
> _______________________________________________
> rc5 mailing list
> rc5 at lists.distributed.net
> http://lists.distributed.net/mailman/listinfo/rc5


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