Forum > GPU crunching

V10/11 of modified SETI MB CUDA + opt AP package for full multi-GPU+CPU use

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Raistmer:

--- Quote from: MAOJC on 06 Mar 2009, 07:17:50 am ---
--- Quote from: Raistmer on 05 Mar 2009, 12:40:12 am ---
--- Quote from: MAOJC on 04 Mar 2009, 06:54:25 pm ---Did you ever build on for older SSE2 AMD CPUs + a GPU?

--- End quote ---
What config do you have? For what CPU you need SSE2 app ?

--- End quote ---

Opteron 170/270/280 AMD

--- End quote ---
Its motherboard has PCI-E slots?

Raistmer:

--- Quote from: spawn on 06 Mar 2009, 08:39:17 am ---Any plans for an SSE3 64bit version for AMD? I found the Intel only one a couple pages in, my poor Quad FX could really use the help!


Thanks

--- End quote ---

AMD CPUs should use x86 SSE3_AMD build. It's fastest build for such calss of CPUs.

Raistmer:

--- Quote from: elec999 on 06 Mar 2009, 09:52:42 am ---Do you think if ran multiple instances on a GPU it would give us better results.


--- End quote ---
?
What do you mean? What multiple instances?

Jason G:

--- Quote from: Raistmer on 06 Mar 2009, 02:14:27 pm ---
--- Quote from: elec999 on 06 Mar 2009, 09:52:42 am ---Do you think if ran multiple instances on a GPU it would give us better results.


--- End quote ---
?
What do you mean? What multiple instances?

--- End quote ---

He means MIMD operation I think ... Sorry, I think GPUs are a SIMD device? so one active instance per Compute device, though I'm sure multiple apps would run by switching one another out of device context (taking turns).

Raistmer:
Running 2 apps on single GPU seems to decrease performance.
So for now it is better one CUDA app per GPU.

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