On Wed, Jun 02, 2010 at 05:10:28PM -0700, William G. Scott wrote:
>
> On Jun 2, 2010, at 5:04 PM, Benjamin Reed wrote:
>
> > So if GCC's build is not repeatably compatible with -jN, then it
> > should probably not be doing it by default. :P
>
> Anything to speed this build up is delightful.
>
> Perhaps the best compromise is a conditional test, i.e.,
>
> if [[ $(sysctl -n hw.ncpu) -gt 2 ]];then
>
> make -j $(( $(sysctl -n hw.ncpu) - 1 ))
>
> else
>
> make
>
> fi
>
Bill,
What happens if you change...
make -j $num_cpu
...to...
nice -n -20 make -j $num_cpu
to increase the system scheduling priority during
the build?
Jack
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