Re: [gentoo-dev] Re: New global USE flag: gzip-dict

[Mart Raudsepp <leio@gentoo.org>]

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On Sat, 2008-12-20 at 00:16 +0000, Duncan wrote:
> But a gig of space (or even half a gig)... that's rather 
> different as there are still a decent number of people for whom that's 1% 
> or more of their total, who may be willing to take that latency as they 
> have better things to do with the space.

If you are dealing with rotating media, I wouldn't be even so sure that
1GB unpacked is quicker than packed 100-200MB. On your typical desktop
computer with rotating HDDs, it could very well be quite the opposite,
as seek and disk access time can be dozens and hundreds of times slower
than a simple zlib inflate, which is a relatively quick operation on
x86's.

Now of course on something like the Neo FreeRunner, where we'd likely be
dealing with a flash based media and an embedded CPU (something like
arm7 I guess?, no I don't need to know, I could just google if I did),
read from flash is more likely to be quicker.



-- 
Mart Raudsepp
Gentoo Developer
Mail: leio@gentoo.org
Weblog: http://planet.gentoo.org/developers/leio

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