can make -j be used for ports?

[John]

On 16/03/2011 10:56, Matthias Andree wrote:
> /etc/make.conf:
> 
> FORCE_MAKE_JOBS=yes
> MAKE_JOBS_NUMBER=3    # whatever you find useful.
> 
> The key is that you need to figure how loaded the CPU is.  As long as it
> is waiting for the disks (which it usually is), you can try to increase
> the number, but keep an eye on the RAM, you don't want the machine to go
> swapping in and out (although 8 GibiB are plenty).

Thanks very much for this.
-- 
John