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Date: Wed, 10 Dec 2003 05:41:31 -0800
From: David Schultz <das@FreeBSD.ORG>
To: Scott Long <scottl@FreeBSD.ORG>
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Subject: Re: cvs commit: src/sys/i386/conf GENERIC src/sys/alpha/conf
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On Tue, Dec 09, 2003, Scott Long wrote:
> The other thing to consider is that the default configuration of
> FreeBSD is to have UDMA disabled on the IDE CD drives.  This is
> unbearably slow on modern hardware, so it's unclear whether the overhead
> of bzip2 would add onto this, or just be absorbed.

It could actually speed things up by reducing the amount of data
that needs to be read from the CD.  Keep in mind that the speed of
CD readers has levelled off to a constant, whereas processors are
getting faster by 60%/year.

> If we found a way
> to be more intelligent about enabling UDMA, the overhead of bzip2 would
> probably be totally absorbed. Either way, the recent RedHat and Suse
> installers seem glacially slow too, so it might all just be academic =-)

``Whatever Windows does?''  :-P