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To: shimon@simon-shapiro.org
cc: Shimon@i-connect.net, current@FreeBSD.ORG, smp@csn.net, sprice@hiwaay.net,
        toor@dyson.iquest.net, Eivind Eklund <perhaps@yes.no>
Subject: Re: make world time???/ 
In-reply-to: Your message of "Mon, 24 Nov 1997 21:13:35 PST."
             <XFMail.971124211335.shimon@Simon-Shapiro.ORG> 
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Date: Mon, 24 Nov 1997 21:38:42 -0800
From: Amancio Hasty <hasty@rah.star-gate.com>
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Not me , thats Dyson's job and I strongly suspect that he is looking
into this issue.

	Amancio

> 
> On 19-Nov-97 Amancio Hasty wrote:
> > Hi,
> > 
> > I wish we could do sub-minute compiles 8)
> > make world started on Tue Nov 18 22:31:50 PST 1997
> > make world completed on Tue Nov 18 23:44:02 PST 1997
> > 
> > So it takes about 75 minutes to do a make world over here and
> > again 8)
> > 
> > I have a Pentium Pro 200Mhz , 48MB , 4.3 Seagate Cheetah (10000
> > rpms).
> > 
> > mount -u -o async,noatime /usr 
> > cd /usr/src
> > make clean  #if you already have a clean obj or no /usr/obj populated
> >             #there is no need to do this step.
> > make world >build.log
> > 
> > /etc/make.conf modified flags:
> > NOCLEAN=true
> > CFLAGS= -O  -pipe
> > 
> > kernel config file special flags :
> > options AHC_TAGENABLE
> > options AHC_SCBPAGING_ENABLE
> > options AHC_ALLOW_MEMIO
> > 
> > Without the above your world build time will probably be double if
> > you are doing your system build on your scsi disk drives.
> > 
> > I suspect that mounting a /usr/obj on a fast scsi or IDE drive is 
> > not going to lower my performance figures. We need to experiment
> > to find out whats going on fast system builds.
> 
> Yup.  Look elsewhere from the disk I/O.  It is NOT being stressed.
>  
> 
> If Microsoft Built Cars:
> 
> There would be an "Engine Pro" with bigger turbos, but it would be
> slower on most existing roads.
> 
> 
> Sincerely Yours, 
> 
> Simon Shapiro
> Shimon@Simon-Shapiro.ORG                      Voice:   503.799.2313