[Haskell-cafe] Newbie question about tuples

[Peter Verswyvelen]

Donald:
> Yeah, there's some known low level issues in the code generator
> regarding heap and stack checks inside loops, and the use of registers
> on x86.
>
> But note this updated paper,
>     http://www.cse.unsw.edu.au/~chak/papers/CLPKM07.html
>
> Add another core to your machine and it is no longer 4x slower :)
> Add 15 more cores and its really no longer 4x slower :
>   
Maybe this is yet another newbie stupid question, but do you mean that 
GHC does automatic multi-threading?  (Haskell seems very suitable for 
that) Otherwise adding an extra core does not really help does it?