DragonFly kernel List (threaded) for 2006-09
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Re: Batch/At (if it wasn't broken, no worries I broke it :-) )
On Tue, Sep 05, 2006 at 10:06:45AM -0700, Matthew Dillon wrote:
> And just as a side note... procedure call overhead on a modern cpu can
> be as little as 0 cpu cycles for small procedures, and typically do not
> cost more then 5 nanoseconds in any case. This is because procedure calls
Exactly.
> In the DragonFly kernel we only inline the tiniest, most heavily-used
> critical path routines, though there are still a lot of 'old' inlines
> inherited from FreeBSD that have not yet been unwound (the most aggregious
> being in the NFS code and containing out-of-band goto's).
Don't get me started on goto's.
Just don't.
;-)
- Diane
--
- db@xxxxxx http://www.db.net/~db
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