[Beowulf] Inside Tsubame - the Nvidia GPU supercomputer - OpenCL

Jeff Layton laytonjb at att.net
Fri Dec 12 07:33:11 PST 2008


John Hearns wrote:
>
>
> 2008/12/12 Loic Tortay <tortay at cc.in2p3.fr <mailto:tortay at cc.in2p3.fr>>
>
>
>     If I'm not mistaken, the "Tsubame" cluster was initially using
>     Clearspeed accelerators (in Sun X4600 "fat" nodes).
>
>     Therefore, they probably have appropriate programs that need little
>     adaptation (or less than many) to work on the GPUs.
>
> Emmmm.... I'm no expert on Clearspeed, but AFAIK Clearspeeds selling 
> point is that the cards run standard maths library functions - ie. you 
> just 'drop in' a compatible maths library and the card gets given the 
> computations to do.
> This is not the same model as GPU programming.

Yes and No. There are libraries for CUDA for BLAS
and FFT's. Clearspeed has this as well.

Jeff




More information about the Beowulf mailing list