port make index (was: Re: make -j$n buildworld : use of -j investigated)

[Kris Kennaway]

On Thu, Nov 25, 2004 at 11:14:42AM +0100, Ronald Klop wrote:
> On Thu, 25 Nov 2004 01:28:55 -0800, Kris Kennaway <kris at obsecurity.org>  
> wrote:
> 
> >On Thu, Nov 25, 2004 at 10:09:35AM +0100, Ronald Klop wrote:
> >
> >>Would all this work for 'make index' for the ports also? Or is this more
> >>io bound?
> >>I can't test this myself, because my laptop is to slow for making these
> >>tests any fun.
> >
> >Based on my tests, 'make index' is only faster with -j on smp machines
> >(the default is -j2, which only penalizes UP by a second or two, but
> >nearly halves the build time on an smp machine).
> 
> But -j1 saves on mem usage on UP I presume, so it makes my workstation  
> more useable while being 2 secs.faster.
> Is this set by an INDEX_JOBS make var in /etc/make.conf? Found it in  
> /usr/ports/Makefile.

Yes.

Kris
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