i'm sure this can be done for certain programs (and not just games). my geforce2 mx has a 166mhz processor. surely it can be used to handle some computations. my sb live! has the processing equivalent of a pentium 90 (or so creative says). surely it can be used to do some special processing too. thoughts?
multiprocessing using gpu and apu?
- Thread starter jhu
- Start date
You mean somehow using unused clock cycles on the gpu to assist the cpu? The main problem I see w/ that is latency involved with transferring the data from the gpu back to the cpu (I'm assuming the finished computations would then be sent to the cpu anyways). I've never heard of it but I'm sure it is possible to some degree.
or possibly running a program entirely contained in the video card? it's not possible with my sb live! since it doesn't have onboard ram.
The question is the instruction set. Your sound card DSP might have, say, a "decode 1024 bytes of of MP3" instruction that takes 1 cycle, but nearly no other instructions, and no branch instructions. Sure, it could decode MP3s faster than a pentium 90, but it could not do anything else (like, say, multiplication).
There was talk about proting SETI@home onto the modern GPU's as, apparently the programmable pixel and vertex shaders allow for crazy number crunching. No further info about it though.
well, i figure since i don't really play games, the gpu would be going to waste if it wasn't being used for something. i already have the video ram setup as a ram drive
I remember an old usenet discussion on this sort of thing. For the rioght kind of problems it's feasible, and I think somebody even had some code for it. Maybe I'll google on it later.
Ok, so my curiosity made me do it right away 
Here are some links:
Fast Matrix Multiplies Using Graphics Hardware
Parallel Volume Rendering Using PC Graphics Hardware
Using Soundcards for WEFAX Processing.
Here are some links:
Fast Matrix Multiplies Using Graphics Hardware
Parallel Volume Rendering Using PC Graphics Hardware
Using Soundcards for WEFAX Processing.
Originally posted by: ergeorge
Ok, so my curiosity made me do it right away
Here are some links:
Fast Matrix Multiplies Using Graphics Hardware
Parallel Volume Rendering Using PC Graphics Hardware
Using Soundcards for WEFAX Processing.
Your first two links are broken.
a link
other link
the
parsed as a smiley.
unfortunately i don't think this works with multiple video cards in the same system, and i can't figure out why
The SBLive has no onboard memory, other than the rom it uses for its firmware. All wavetable midi data makes use of the system memory via PCI bus...the SBLive also has no FM synth, so without using system memory it cannot play midi.
Eric
Eric
With Longhorn we should have DX10. In DX10 the idea
is to make the GPU do more of the work. So I think
they are already trying to do sort of what your asking about.
I don't think they would use the GPU to take on some of
the CPU's jobs because that would be to slow. And just think
of all the possible problems that would start when you
overclock the videocard.
What I'd like to see is a PCI+AGP or Onboard Video+AGP done in
a SLI mode.
is to make the GPU do more of the work. So I think
they are already trying to do sort of what your asking about.
I don't think they would use the GPU to take on some of
the CPU's jobs because that would be to slow. And just think
of all the possible problems that would start when you
overclock the videocard.
What I'd like to see is a PCI+AGP or Onboard Video+AGP done in
a SLI mode.
We just need to figure out how to make 6 pci video cards work together so that I can actually fill up my computer some... lol, prefereably voodoo 5 6000's...
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