Date: Sat, 30 Oct 2004 08:11:21 -0400 From: Chuck Swiger <cswiger@mac.com> To: Brian Bobowski <bbobowski@cogeco.ca> Cc: FreeBSD User Questions List <freebsd-questions@freebsd.org> Subject: Re: make buildworld.........24 hours???? Message-ID: <418384E9.8010601@mac.com> In-Reply-To: <41838096.2080902@cogeco.ca> References: <1099096228.18749.149.camel@aaron.proficuous.com> <20041030003606.GA60037@xor.obsecurity.org> <41838096.2080902@cogeco.ca>
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Brian Bobowski wrote: [ ... ] > One thing I have to wonder - how compatible is 'make buildworld' with > multiple build processes(e.g. 'make -j4 buildworld')? I know some > makefiles don't get along well with the -j parameter, but if > buildworld is okay with it, this may offer a way to keep the processor > busy rather than waiting for disk access all the time, which could > make things faster, especially on such low-memory machines. Using -j is recommended only when you have lots of memory and can keep all of the processes resident in memory. Trying to run a parallel build on a low-memory machine is almost certainly going to be much slower, since you are going to swap more, not less. Time it for yourself and see... -- -Chuck
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