Re: [boost] non-branching min()

Subject: Re: [boost] non-branching min()
From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2009-09-11 05:10:29

DE skrev:
> i'd like to present some kind of micro optimization towards pipelined
> cpus
> 
> traditionaly min() has an implementation like
> 
>     template<typename type> inline
>     type min(type a, type b) { return a<b ? a : b; }

If you are going to benchmark over several platforms, please include the
technique described here:

http://graphics.stanford.edu/~seander/bithacks.html#IntegerMinOrMax

(There is also code for abs()).

-Thorsten