Subject: Re: compiling a kernel on an MVII
To: Brian D Chase <bdc@world.std.com>
From: Lord Isildur <mrfusion@crue.jdwarren.com>
List: port-vax
Date: 12/29/1999 10:22:22
we need a faster compiler!!
legalese aside, since DECPAQ is putting an end fo Ultrix support in 2 
days, has anyone tried to run the DEC VAX compilers in NetBSD? 
i dont know how friendly it woudl be to newer code.. any ideas?

isildur

 On Wed, 29 Dec 1999, Brian D Chase wrote:

> On Wed, 29 Dec 1999, Arno Griffioen wrote:
> 
> > > On my VS3100 (KA-42A cpu, 24mb RAM), building the NetBSD kernel
> > > takes ~5 hours.  "Days" is surely exaggerated for anything but perhaps
> > 
> > About the same on my uVAX 3600 with 32 Mb RAM and a local drive.
> > Just built the 1.4P kernel (and currently running) in about that time.
> 
> Well, a MicroVAX II runs at around 1/3 the speed of both those systems
> which places it at around 15-16hrs for a kernel compile.  I'm not entirely
> sure what the average memory usage is for the compilation of the kernel
> source files, but once you start hitting swap, the performance degrades
> significantly.  So maybe a more reasonable estimate is around 1 day for
> nicely equipped VAX, but I could see it taking quite a bit longer for
> systems with less than 8 Megs of RAM.
> 
> -brian.
> --- Brian Chase | bdc@world.std.com | http://world.std.com/~bdc/ -----
> 
>