John Nielsen wrote:
Another thread to read:
On Monday 15 January 2007 14:42, Daniel Tourde wrote:
Let me present myself:
- I am an advanced user of Gentoo Linux. I know quiet a lot about that
system and about how to optimize it to fit the hardware the best possible
way. - I am a casual FreeBSD user. I like it a lot though, it is lean and
very well structured.
I am the happy own of a Dell Inspiron 9400 with a Dual Core processor in it
(note, not a Dual Core 2).
http://gentoo-wiki.com/Safe_Cflags gives some information about this
processor and about the parameter to give to gcc to obtain the best out of
Intel Core Solo/Duo (Yonah)
vendor_id : GenuineIntel
cpu family : 6
model : 14
model name : Genuine Intel(R) CPU [Model] @ XXXGHz
(the above info is from a T2400, other models may have different cpu
families and model numbers)
CFLAGS="-march=prescott -O2 -pipe -fomit-frame-pointer"
This is a 32bit chip
Note: It has been confirmed by [EMAIL PROTECTED] that prescott is the
correct microarchitecture to use with this CPU.
So now, I am trying to rebuild my FreeBSD 6.2 system playing a bit with the
parameters in the make.conf file (see /usr/share/examples/etc/make.conf) to
get the best out of my machine (double processor, MMX, SSE[1-3] and co...)
#NO_CPU_CFLAGS= # Don't add -march=<cpu> to CFLAGS automatically
#NO_CPU_COPTFLAGS= # Don't add -march=<cpu> to COPTFLAGS automatically
So far, the only thing I did was to set CPUTYPE to pentium4 but I am pretty
sure, it can be done in a better way. The question being 'how?'
"prescott" is listed as an option for CPUTYPE
in /usr/share/examples/etc/make.conf. So "CPUTYPE?=prescott"
in /etc/make.conf should do fine for you.
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