FreeBSD 5.X/AMD64: Linuxulator 64/32 Bit?
sgk at troutmask.apl.washington.edu
Tue Jan 25 07:09:23 PST 2005
On Tue, Jan 25, 2005 at 02:06:10PM +0100, O. Hartmann wrote:
> I have a simple, maybe obsolete, question.
> In kernel config templates (GENERIC) for FreeBSD 5.3/AMD64 I found some
> compatibility options, namely
> options COMPAT_LINUX32
> options COMPAT_IA32
> (options COMPAT_43)
> The system I wish to setup is a Athlon64 3200+ system. Software is to be
> compiled when needed as it comes out of the ports collection.
> If I avoid the above mentioned compatibility options, is the Linuxulator
> in AMD64-FreeBSD 64Bit like x86_64 Linux?
> Assumed, I will enable IA32 compatibility, has this some performance
> penalties to a system running nativ 64Bit software?
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