On Wed, 23 Nov 2005 20:39:27 +1300 Nick Rout <[EMAIL PROTECTED]> wrote:
> On Wed, 23 Nov 2005 17:40:37 +1300 > David Mann <[EMAIL PROTECTED]> wrote: > > > [I actually thought -j was there to take advantage of SMP, but that > > was more of a guess than anything.] > > > well it relates to the number of processors, whether they be on the > motherboard, or through distcc. > > distcc is developed by the samba team so that they can compile their > own suite at great speed after someone submits some code. they also > develop ccache which will also speed up compilation if you compile the > same code a few times. As a rule of thumb, j=<no of processors>+1 keeps the cpu working flat out. What you do with pseudo-smp ( ie hyperthreading ) is anybodys guess. Steve
