Re: [gentoo-dev] Segregating KDE?

[Dan Armak <danarmak@gentoo.org>]

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On Sunday 19 September 2004 22:33, Dan Armak wrote:
> On my athlon xp 2600, this makes the kdelibs configure run go down from 66
> seconds to 28 seconds. At least 10-12 seconds of each of these two numbers
> is due to makefile generation, which will be very much reduced in split-up
> ebuilds, so we get 54 sec -> 16 sec, or a 5x improvement.
Er. Well. Sorry about that, here are corrected figures:
54 seconds -> 16 seconds == 3.3x improvement.
Therefore:
17 configure scripts (before splitting ebuilds) --> 20-60 minutes total 
running time
splitting up --> >=220 packages (? but at least that many, I believe)
splitting up without confcache --> 220-660 minutes, i.e. 3.6-11 hours, total 
running time (clearly unacceptable)
splitting up with confcache --> about 25-30% of above, i.e. 1-3.3 hours total 
running time

According to these numbers, if we both add confcache and split the ebuilds, 
the total time for emerging all or nearly all of kde will increase by 0.6-2.3 
hours.

-- 
Dan Armak
Gentoo Linux developer (KDE)
Matan, Israel
Public GPG key: http://dev.gentoo.org/~danarmak/danarmak-gpg-public.key
Fingerprint: DD70 DBF9 E3D4 6CB9 2FDD  0069 508D 9143 8D5F 8951

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