Subject: Re: i386 MP performance (generic.mp and generic almost same)
To: Eric Haszlakiewicz <firstname.lastname@example.org>
From: Gary Thorpe <email@example.com>
Date: 11/13/2007 15:26:11
--- Eric Haszlakiewicz <firstname.lastname@example.org> wrote:
> > I was just curios: while -jN may not work to build one package, is
> > still possible to build N different packages in parallel with
> > [What does that other LOCK variable do?]
> The PKGSRC_LOCKTYPE variable makes it possible to build packages in
> parallel, but it's still up to you to kick off N number of make
> processes. i.e. you might do something like:
> echo PKGSRC_LOCKTYPE=sleep >> /etc/mk.conf
> cd /usr/pkgsrc/net/firefox && make install > make.out 2>&1 &
> cd /usr/pkgsrc/lang/gcc && make install > make.out 2>&1 &
> This will probably work best if the dependency trees between each
> have little overlap, as I don't think the build will go to the next
> dependency if an earlier is locked, so things can tend to get
> synchronized without much parallelism.
Thanks for explaining this.
Are there other specific values PKGSRC_LOCKTYPE takes besides 'sleep'?
Is there any documention on how it works in detail (I checked to pkgsrc
guide and it doesn't seem to be described)?
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