Re: [tlug] Giving a program priority briefly

["Stephen J. Turnbull" <stephen@example.com>]

Josh Glover writes:

 > On 11/06/07, Darren Cook <darren@example.com> wrote:
 > 
 > > -Os gave a 50% slowdown.
 > 
 > Wow. That is quite surprising to me.

Loop unrolling can be quite a big win in some cases; ISTR that in the
case of Duff's device (I'm pretty sure it's in the Google list of
famous Usenet posts) he needed 50%, and got it.