On Fri, 2009-07-31 at 17:26 +0300, Jussi Lehtola wrote:
> To test things I've written a small application called
"solv" that
> works like a very tiny package manager. It's available via:
>
>
http://software.opensuse.org/search?baseproject=Fedora:11&q=libsatsol...
Impressive: after the repository data has been downloaded, the
calculation of the update from Fedora 10 (x86_64) to Fedora 11 takes
less than two seconds (practically instantaneous!) on an Athlon64 X2
4600+.
For a very unscientific comparison, it takes about 1m 40 sec for
yum-3.2.23-3.fc10.noarch (with --disableplugin=*) to do the same.
for yum: $ echo n|time sudo yum --disableplugin=* update
92.13user 6.77system 1:39.82elapsed 99%CPU (0avgtext+0avgdata
0maxresident)k
0inputs+8720outputs (0major+74159minor)pagefaults 0swaps
for solv: $ echo n|time sudo solv update
0.48user 0.05system 0:01.53elapsed 34%CPU (0avgtext+0avgdata
0maxresident)k
0inputs+0outputs (0major+7633minor)pagefaults 0swaps
so there is a 50x speed difference in favor of solv.
--
Jussi Lehtola
Fedora Project Contributor
jussilehtola(a)fedoraproject.org