Re: buildworld times

On Sat, 28 Feb 2004, Don Lewis wrote:

> On 28 Feb, Vincent Poy wrote:
> > Hello all:
> >
> > 	I was wondering what people are getting as the fastest make
> > buildworld times since it seems like a P4m-2.6Ghz 2GB RAM, 7200RPM HDD
> > machine when using make -j4 buildworld or just make buildworld takes 2.5
> > hours.  I guess I'm trying to look for what the average times for
> > buildworld is supposed to be for a Pentium 4 Northwood based platform.
>
> This seems way too slow to me.
>
> My Athlon XP 1900+, 1GB RAM, 10K RPM SCSI drive machine running
> 5.2-CURRENT with the kernel options:
> 	SCHED_ULE
> 	INVARIANTS
> 	INVARIANT_SUPPORT
> 	WITNESS
> 	WITNESS_SKIPSPIN
> 	DEBUG_VFS_LOCKS
> and no /etc/malloc.conf runs buildworld in
> 2563.925u 1977.980s 2:01:04.11 62.5%    2715+1768k 20833+2389io 6587pf+0w
> while running setiathome.
>
> My 1.5 GHz Pentium-M laptop, with 512 MB RAM, and a 5400 RPM drive, also
> running 5.2-CURRENT with the kernel options:
> 	SCHED_ULE
> 	INVARIANTS
> 	INVARIANT_SUPPORT
> 	WITNESS
> 	WITNESS_SKIPSPIN
> 	ACPI_DEBUG
> and no /etc/malloc.conf runs buildworld in
> 2067.708u 1323.742s 1:01:24.53 92.0%    2816+1833k 23350+5985io 8841pf+0w
>
> In both cases this was a "make buildworld" with no options (no -j).

	Hmm, that is weird since I know the WITNESS options are supposedly
going to slow down the buildworld process but maybe the thing is that the
Pentium-M processor runs cooler as the P4m-2.6Ghz CPU does hit 83C degrees
and that's when it chokes as I noticed on a identical windows machine.


Cheers,
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