Re: buildworld times

On Sat, 28 Feb 2004, Andre Guibert de Bruet wrote:

> On Sat, 28 Feb 2004, Vincent Poy wrote:
>
> > 	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.

Hey Andre:

> Hey Vince,
>
> LTNS. :)

	What does LTNS actually mean? =)

> There's a number of things that affect the buildworld times. On a P4,
> you're looking at:
> - Kernel debug options
> - Hyperthreading
> - Lock contention from other processes.

	There is no Hyperthreading on this CPU as it's a Pentium 4-M
Mobile processor, this was what the Pentium-M replaced.

> 2.5 hours seems a little high and would seem to indicate that you're
> building world under a kernel that has all the debugging options enabled.
> Could you make your kernel config available?

	Yeah, I recall that -CURRENT on a Mobile PII 366Mhz took the same
amount of time so I would imagine the P4 would be faster since I remember
PIII running at 800Mhz or so would take about 2 hours and the Athlon K7 at
1.2Ghz was about a little over an hour.  I'm using the standard GENERIC
kernel and do have the debugging options enabled.

Cheers,
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