Re: 32bit PowerPC questions.

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On Wed, Jun 25, 2008 at 09:05:54AM -0400, Josh Boyer wrote:
 > 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?

The last one I timed yesterday took about 4-5 hours.

	Dave

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