32bit PowerPC questions.

[Josh Boyer]

On Tue, 2008-06-24 at 21:14 -0400, Josh Boyer wrote:
> On Tue, 2008-06-24 at 16:15 -0400, Dave Jones wrote:
> > PPC32 kernel builds take _forever_ in the build system. They're slowing things
> > down to such extent that I'm usually still waiting for them several hours
> > after the other architectures have finished building.
> 
> Has anyone looked at _why_ they are so slow?  Do you have timing
> information for a particular kernel flavor?
> 
> If I'm remembering correctly, local kernel builds on my G5 were quite
> faster than what is in koji.  Finding out why might be a good start.

Ok, so I did a cvs checkout of the devel kernel last night and timed a
simple 'make ppc'.  That built both the UP and SMP ppc kernels, with all
the associated -devel and -debuginfo packages.

This was done on a dual-cpu G5 with 1.5 GiB of DRAM running F9.  Gnome,
Evolution, X-Chat, and Rhythmbox were running, but it was otherwise
unused.

The results:

real	117m16.886s
user	133m27.480s
sys	20m47.314s

How does that compare with koji builds?

josh