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Date: Tue, 5 Oct 2010 22:49:00 +1030
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From: Matt Thyer <matt.thyer@gmail.com>
To: Rui Paulo <rpaulo@freebsd.org>
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Cc: freebsd-current@freebsd.org, Kevin Mai <kma@mrecic.gov.ar>
Subject: Re: Multithread Make in multicore server
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On 5 October 2010 04:53, Rui Paulo <rpaulo@freebsd.org> wrote:

> On 4 Oct 2010, at 18:46, Kevin Mai wrote:
> > I see that there's no multithreading when running make.. is there a way
> to enable multiprocessing when running make?
>
> Try 'make -j16 buildworld'. 16 is the maximum number of parallels processes
> that make is going to run.
>

Try -j32 or even -j48 and let us know which is faster.
-j16 will still show lots of idle time.