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

John Hearns hearnsj at googlemail.com
Fri Dec 12 06:45:56 PST 2008

2008/12/12 Loic Tortay <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
This is not the same model as GPU programming.
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