Just remarks

Ian Molton spyro at armlinux.org
Mon May 27 11:21:13 PDT 2002


On Mon, 27 May 2002 13:40:17 -0400
jsmaby at virgo.umeche.maine.edu wrote:

> 
> To an extent, yes.  The speed depends on lots of things, like memory
> bandwith, amount of memory (less than 32mb _really_ hurts), hard drive
> speed, etc.  By averaging over many configurations, one creates a
> mythical machine that has all those properties averaged, and a given
> machine will be more likely to match

No.

Most people using LFS have either high spec (733MHz+) or low spec
(486-under-the-pile-of-laundry) machines.

an average gives you a hypothetical middle machine which no-one has and
no-one can make useful comparisons to.

AND, you CANNOT realistically average DIFFERENT things.

a machine that hits swap to compile things CANT be averaged with a
machine that DOESNT hit swap to compile things.

Eg.

200MHz Pentium with 8MB RAM - glibc compile: 4 days
200MHz Pentium with 128MB RAM - gglibc compile: 12 hours

therefore a 200MHz Pentium with 68MB RAM should take ~2 days, which is
patently a load of horsesh*t.

you CANNOT average different machines and expect to have a meaningful
result.

and an average of similar machines wont have enough variance in it to be
worth doing.
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