[R-SIG-Mac] Old Dell running faster than new MacBook

[Simon Urbanek]

On Oct 24, 2008, at 4:07 PM, Nils Rüfenacht wrote:

> I recently changed from a 4 year old Dell running on Windows XP to a  
> mew MacBook Pro running on OS X 10.5. I expected to save an amount  
> of runtime when executing my R code now, but I was mistaken.
>
> I didn't figure out what the problem could be! Same code is running  
> about 30% (!) slower now!
>
> Any suggestions?
>

What about sharing the code with us? There is very little we can say  
unless you share the code with us as well as the exact machine specs  
(and compare the same version of R).

Cheers,
Simon