On 4/14/06, Menno Lageman <[EMAIL PROTECTED]> wrote: > I happen to have access to a T2000 (1 GHz, 32 strands) for a couple of days, > so I ran a nightly of on20050327: > > ==== Nightly distributed build completed: Thu Apr 13 22:17:16 CEST 2006 ==== > > ==== Total build time ==== > > real 2:26:51 > > This was with the default max concurrent jobs = 4. Increasing it to 32 > through $HOME/.make.machines did not decrease build time, because the build > process is mostly serial as Bart noted earlier. Apart from short periods > where 32 concurrent jobs can be seen utilizing the system 100%, the system is > mostly idle during the build. This of course makes it a nice shared build > machine running, say, 32 builds in parallel.
I think one part of this jigsaw is the disk bottleneck. If you build ON on a tmpfs volume you should have a far better CPU utilisation on Niagara. I wish tmpfs would utilise 64k pages instead of the dwarfpages which may even better :-) Holger _______________________________________________ opensolaris-discuss mailing list opensolaris-discuss@opensolaris.org
