Date: Sat, 19 Oct 2002 10:06:40 -0700 From: Kent Stewart <kstewart@owt.com> To: Riley <rileyjmc@pacbell.net> Cc: Kris Kennaway <kris@obsecurity.org>, FreeBSD Questions <freebsd-questions@FreeBSD.ORG> Subject: Re: Buildworld fails Message-ID: <3DB19120.6000005@owt.com> References: <HEEELMCBPANKADCOBOFPCEAHHEAA.rileyjmc@pacbell.net>
next in thread | previous in thread | raw e-mail | index | archive | help
Riley wrote: >>From: Kris Kennaway >>Sent: Saturday, October 19, 2002 2:44 AM > > >>>1 error >>>*** Error code 2 >> >>The fact that there's no actual error message shown indicates that >>you're doing make installworld with a -j option. This is not >>supported and as you have found is likely to fail. >> >>Kris > > > The lack of an error message did seem odd. Thanks for the heads up. > > Is the Handbook out of date? According the Build World section: > > <quote> > It is now possible to specify a -j option to make which will cause it to > spawn several simultaneous processes. This is most useful on multi-CPU > machines. However, since much of the compiling process is IO bound rather > than CPU bound it is also useful on single CPU machines. > > On a typical single-CPU machine you would run: > > # make -j4 buildworld > > make(1) will then have up to 4 processes running at any one time. Empirical > evidence posted to the mailing lists shows this generally gives the best > performance benefit. > </quote> > > Let me give it a try without `-j'. > Time it when you do the buildworld such as "time make". There are a lot of us with newer HDs and cpus that have found that no "-j" produces a wall clock time that is 10-20% faster than -j4. Kent -- Kent Stewart Richland, WA http://users.owt.com/kstewart/index.html To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3DB19120.6000005>