No Place For Democracy

November 23, 2007

“There will one day spring from the brain of science a machine or force so fearful in its potentialities, so absolutely terrifying, that even man, the fighter, who will dare torture and death in order to inflict torture and death, will be appalled, and so abandon war forever.”
Thomas A. Edison
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My Favorite Error Message Ever

November 2, 2007

While running a Poisson Equation Finite Difference approximation algorithm (whew, a mouthful there!) today on Cell, I got the greatest error message ever:

[cgb@cell pfd]$ ./withRapidMind
terminate called after throwing an instance of ‘rapidmind::Exception’
what(): The type ‘double’ is not supported by the Cell backend.
Aborted

What the hell indeed. Much thanks to the RapidMind guys for an awesome function called “what” and not supporting the double type (although I’m sure there’s a long explanation about that I haven’t found yet).


Setting up Linux on the Cell (Part 2)

November 1, 2007

So…Yellow Dog Linux doesn’t like SDK 2.1 very much. Turns out I must have done something wrong while trying to install it because it only wants to work on Fedora and I fucked up my ability to compile code for the SPEs and PPE while doing so. So I reinstalled Yellow Dog and this time, followed the very simple explanation at the RapidMind website which said just to install the libspe2 rpm and not mess around with anything else. It worked great, but let’s step back a second here.
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