make.conf CPUTYPE Xeon Conroe?

[David Alanis]

Alike other users how can you compare the benefits pros/cons of  
setting the CPU type?

Documentation reads otherwise and it only mentions possible cons in  
one section?

# CFLAGS controls the compiler settings used when compiling C code.
# Note that optimization settings other than -O and -O2 are not recommended
# or supported for compiling the world or the kernel - please revert any
# nonstandard optimization settings to "-O" or "-O2 -fno-strict-aliasing"
# before submitting bug reports without patches to the developers.

I needs  proof :)

David-

Quoting Jonathan Chen <jonc at chen.org.nz>:

> On Wed, Mar 05, 2008 at 09:55:48AM -0800, Nerius Landys wrote:
>>  I'm running FreeBSD 7.0 on a server with an Intel Xeon Dual-Core 3060
>> Conroe (2.4GHz) CPU.
>> I'm wondering what I should set CPUTYPE to in my /etc/make.conf.
>> The file /usr/share/examples/etc/make.conf has this information:
>>
>> #       (Intel CPUs)    core2 core nocona pentium4m pentium4 prescott
>> #                       pentium3m pentium3 pentium-m pentium2
>> #                       pentiumpro pentium-mmx pentium i486 i386
>>
>> I guess those are the possibilities.  Which one should I choose for my
>> processor?
>
> I would suggest that you *NOT* set the CPUTYPE. The gains are are
> minimal compared to the pain you will have if you also use the ports
> system.
> --
> Jonathan Chen <jonc at chen.org.nz>
> ----------------------------------------------------------------------
>     The Internet: an empirical test of the idea that a million monkeys
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