Optimizations.

[Marcel Moolenaar]

On Sat, May 17, 2003 at 07:14:40PM +0200, Poul-Henning Kamp wrote:
> In message <20030516184626.GB537 at athlon.pn.xcllnt.net>, Marcel Moolenaar writes
> :
> >On Fri, May 16, 2003 at 09:59:52AM +0200, Poul-Henning Kamp wrote:
> >> 
> >> >That's right:)
> >> >Look at functions in /sys/kern/kern_tc.c. There are so many little
> >> >functions. How about put __inline here and there?
> >> 
> >> Try it, and you'll find that things get slower because the code
> >> gets bigger.
> >
> >Observed on what architecture?
> 
> i386, but it takes a _lot_ to get a stddev on your measurements
> which allow you to measure this in real-world applications.

Some are called from hardclock so I can imagine that if inlining has
a positive effect, the effects are generally more indirect. I expect
that (selective) inlining could make a difference on ia64. There's
hardly any ILP now. It's also not important now :-)

-- 
 Marcel Moolenaar	  USPA: A-39004		 marcel at xcllnt.net