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Compute Unified Device Architecture
Compute Unified Device Architecture (CUDA)
As you guys know, ever since GeForce series 8 NVIDIA is getting pretty keen on utilizing the GPU for functions other than rendering your games. Face it, the floating point parallel processing power of GPUs as shown today are really extensive. There's a lot of potential for doing other things rather than just gaming with your graphics cards.
So there's more to the GeForce GTX 200 series than playing games. More and more non-gaming related features can and are being offloaded to the GPU. Roughly a year or two ago NVIDIA introduced CUDA. CUDA is a software layer that allows software developers to 'speak' with the GPU and have it process data using your graphics card. This really is the most simple & basic description I can give it.
This year we'll start to see some pretty interesting applications that run over or get assisted by your GeForce GPU. The biggest problem with CUDA is that 99% of CUDA applications are specific to a company or internal projects, therefore that 99% of the software we never get to see. So it's very hard to understand for the end user, specifically the consumer, what CUDA can achieve with your graphics card. To keep it understandable I need to keep it real simple. And I will do so with explaining some examples of where CUDA can help.
Example Cuda: Transcoding Video on the GPU
Let's go to a more practical consumer application. Most of us have an iPhone, iTouch or iPod, right? I don't know about you but whenever I need to catch a flight, train or just when traveling in general, I like to have some movies on my iTouch. My flights are sometimes inter-continental, and 10+ hour flights have to be the most boring thing ever. So to kill time I like to watch some hand-picked movies or tv-series on my iTouch.
Now if you know what I'm talking about, and do that on a regular basis too then you'll share my pain of transcoding video files. For example if you have a nice high-def movie you like to transcode to an iPod (MP4) compatible format, a PC with any modern processor will crunch that data for hours (depending on the source material of course) Example: for my last trip I transcoded high-definition files to an MP4 compatible format for my iTouch. My PC has been transcoding 10 GB of content and I think it took like 15 hours to do so. There's only one word for this, and that's nauseating.
So the problem at hand: if you like to fill that iPod with video content, your PC could be at work for a day, easily. Quite annoying. A company called Elimental have a piece of software called 'Badaboom media converter'. This company is working right now on several software applications that will manage the transcoding process over the GPU, and it does so with CUDA. Now here's the point I'm slowly working towards. We've seen what it can do, and it's really interesting. Where a PC with a modern processor would take, say five hours to transcode, the CUDA based Badaboom media converter you can cut down that time massively.
- Download Badaboom (click here)
Fact is that once you transcode over the GPU instead of over the CPU, the speedup is significant. The software still is in development stages, but once released and 100% stable... it'll rock your GPU.
Example Cuda: Folding using the GeForce GPU
Folding@Home is a project where you can have your GPU or CPU (when the PC is not used) help out solving diseases, folding proteins.
There is a GPU folding client available that works with GeForce Series 8, 9 and GTX graphics processors. It is CUDA based... meaning that all CUDA ready GPUs can start folding.
Guru3D has teamed up with this project, our team is ranking in the top 90, yes... I'm very proud of our guys crunching these numbers, especially since there are tens of thousands of other teams.
The client is out, if possible please join team Guru3D and let's fold away some nasty stuff. The good thing is, you won't even notice that it's running.
Our Folding@home info can be found here:
Our team number is 69411 and if you decide to purchase the GeForce GTX 200 product, guys, promise me you'll use it to fold for us. Of course I recommend all GeForce 8800/9800 owners give this a try as well. By making this move my dear friends, there are now 70 million GPUs available to compute the biggest mysteries in diseases and illnesses.
Again, let's make Team Guru3D the biggest one available guys, join our team - 69411.
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