Re: dualcore performance-smp technology

[Niclas Zeising]

On 2/23/07, Stephen Liu [EMAIL PROTECTED] wrote:

Hi folks,

FreeBSD-6.2-amd64

Pls advice how to make FreeBSD fully utinize the benefit of dualcore.
In Linux I recompiled a smp-kernel then it used dualcore performance.
TIA


B.R.
Stephen Liu



Just recompile your kernel with options SMP and device apic.
See the handbook for more information [1]

[1] http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html

HTH
//Niclas
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Re: dualcore performance-smp technology

[Benjamin Sobotta]

 Hi folks,
 
 FreeBSD-6.2-amd64
 
 Pls advice how to make FreeBSD fully utinize the benefit of dualcore. 
 In Linux I recompiled a smp-kernel then it used dualcore performance. 
 TIA
 
 
 B.R.
 Stephen Liu
 

Hi!

I suggest you have a look at the output of dmesg. More often than not, SMP 
functionality is already enabled. Another way to figure out how many processors 
are active, check sysctl hw.ncpu. If the output of the latter is one, you 
make a new kernel in FreeBSD as well. There should be a configuration called 
SMP already available. Consult the manual to see how compiling a kernel is 
done in detail.

Cheers,

Benjamin
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