svn commit: r188439 - head/release

Ken Smith kensmith at cse.Buffalo.EDU
Tue Feb 10 07:42:15 PST 2009


On Tue, 2009-02-10 at 16:17 +0100, Ivan Voras wrote:
> 2009/2/10 Ken Smith <kensmith at freebsd.org>:
> > Author: kensmith
> > Date: Tue Feb 10 15:11:26 2009
> > New Revision: 188439
> > URL: http://svn.freebsd.org/changeset/base/188439
> >
> > Log:
> >  Turn off the parallel make options accidentally turned on by the previous
> >  commit.  Sigh.
> 
> > -WORLD_FLAGS=-j4
> > -KERNEL_FLAGS=-j4
> > +#WORLD_FLAGS=-j4
> > +#KERNEL_FLAGS=-j4
> 
> And here I was happy that it finally happened (e.g. became practically
> official that It Works) :(
> 
> What's keeping it still in the realm of "not recommended"? I haven't
> had problems building with -jX in the past years, even with high
> values of X (>=8).
> 

I wasn't interested in getting into that discussion at this point but I
don't mind if it happens.  As shown by my accident I do tend to turn it
on in my trees where I'm doing release builds, testing or otherwise
(e.g. it's turned on in the trees I do the monthly snapshots in).

I wouldn't mind if it got turned on but that's just the first of two
questions.  The second question is what to set it to.  What's best for
that depends on how many CPUs you've got and/or how much of your machine
you want the build to consume (you might want to be doing other stuff on
the machine while the build is running...).  IMHO it might be best to
just leave it as-is and let anyone interested in getting better
performance set it to what's appropriate for their machine but if others
feel differently I won't object.

-- 
                                                Ken Smith
- From there to here, from here to      |       kensmith at cse.buffalo.edu
  there, funny things are everywhere.   |
                      - Theodore Geisel |

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