On Fri, Jan 20, 2006 at 03:28:08PM -0800, Gayn Winters wrote: > > [mailto:[EMAIL PROTECTED] On Behalf Of Kris Kennaway > > Sent: Friday, January 20, 2006 11:47 AM > > To: Gary Thorpe > > Cc: Wesley Shields; Ashok Shrestha; Brandon Flowers; Kris > > Kennaway; Mike Meyer; freebsd-hackers@freebsd.org; Dag-Erling Sm?rgrav > > Subject: Re: speed up port compiling using RAM (tmpfs) ??? > > > > > > On Fri, Jan 20, 2006 at 11:49:29AM -0500, Gary Thorpe wrote: > > > > > >-j is not safe to use with port builds since many ported software > > > >contain race conditions in the build. > > > > > > > >Kris > > > > > > This effectively means that you cannot take advantage of SMP to > compile > > > FreeBSD's ports collection. That sounds like a big > > > limitation...especially for people trying to speed up bulk builds. > > > > Yeah, but what do you propose to do about it? We have 14000 ports > > that need to be inspected for build race conditions and fixed before > > you can turn on -j by default. > > > > Kris > > > With a dual processor (even dual core?) is there a way to assign the big > make to one processor and to assign the foreground activity (email, > edits, etc) to another? Is SMP somehow smart enough to do this > automagically?
Yes, this is what will happen, more or less. Kris
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