make buildworld.........24 hours????
cswiger at mac.com
Sat Oct 30 05:11:30 PDT 2004
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...
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