DragonflyBSD fast syscall support and x86 improvements

[Ed]

On Friday 23 June 2006 21:29, Matthew Dillon wrote:
>     Well, insofar as preformance goes I only worry about 'modern' cpus,
>     meaning relatively recent cpus (last few years).  So, for example,
>     I would consider trying to optimize for a P4 a waste of time.


Why don't you focus on 64bit cpus only? Doing so DF could drop a lot of very 
old workarounds and compatibility stuff, think at ISA bus and so on.