Date: Thu, 14 Dec 2006 14:34:51 +0100 From: Andrzej Tobola <ato@iem.pw.edu.pl> To: freebsd-hackers@freebsd.org Subject: Re: [PATCH] "automated" make -j value Message-ID: <20061214133451.GA22897@amper.iem.pw.edu.pl> In-Reply-To: <20061214041952.GA7513@dragon.NUXI.org> References: <20061214041952.GA7513@dragon.NUXI.org>
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Hello David, I was using hw.ncpu. Which one is better ? % sysctl -n kern.smp.cpus hw.ncpu 1 1 % ssh vol sysctl -n kern.smp.cpus hw.ncpu 2 2 % ssh vol2 sysctl -n kern.smp.cpus hw.ncpu 4 4 cheers, -a On Wed, Dec 13, 2006 at 08:19:52PM -0800, David O'Brien wrote: > With multi-socket systems becoming more prevalent, and the continued > increase in cores per processors, I thought it would be nice for > 'make -j' to gain some automation. > > Attached is a patch that makes "-j-" be the same as > "-j `sysctl -n kern.smp.cpus`" and "-j=" be twice that.
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