[Gllug] 64 bit v 32 bit

[Nix]

On 27 Oct 2007, Tethys stated:

> My view is that unless you're wanting to use more than 4GB RAM,
> you're probably not going to see any benefit in going 64-bit.
> The 32-bit OS works, so why change?

The extra registers can allow enormous speedups under some CPU-heavy
workloads. GCC is notably bad at register allocation, and this really
hurts register-poor architectures like x86-32.

-- 
`Some people don't think performance issues are "real bugs", and I think 
such people shouldn't be allowed to program.' --- Linus Torvalds
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