use of cpus in building
comer.duncan at gmail.com
Wed May 25 16:08:55 PDT 2016
Thanks! I like this option for those builds I do as a one-off.
On Wednesday, May 25, 2016, Adam Dershowitz <dersh at alum.mit.edu> wrote:
> On May 25, 2016, at 5:25 PM, Brandon Allbery <allbery.b at gmail.com
> On Wed, May 25, 2016 at 5:22 PM, Christopher Jones <
> jonesc at hep.phy.cam.ac.uk
>> you don’t. Its automatic for the ports that allow it.
> And this is also true, if that was not clear. Using multiple cores is *on
> by default*. You are already getting it, unless you at some point in the
> past overrode buildmakejobs in macports.conf.
> You can also manually change it for a single install, for example by using
> build.jobs. Such as:
> sudo port install port_whatever_name build.jobs=4
> and then, for that specific install it will attempt to use 4 cores. This
> can be handy to reduce the number of cores used, from the default, so that
> you can do other things on the machine while building.
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