 Permalink for comment re: linux buddy by Ophidian on Thu 27th
May 2004 20:59 UTC  if yum is using rpm to do the dependancy
calculations then that means the situation is worse than i
thought. apt does the calculations within itself and it is
insanely fast. doing the equivalent through yum is sometimes
10-100 times slower when using a cached copy of the header info
for both (which apt does automatically, but yum wants you
specify it on the command line).  until you stated it, i had
always heard that yum does the dependency calculations within
itself. given how insanely slow it is at accomplishing this
task, i am more inclined to believe that this is the case,
otherwise redhat's own tools would feel quite a bit slower and
this slowness would also affect apt as apt uses the rpm libs to
do the final install of the packages.  for now i will conceed
the point about apt being done in c/c++ because someone just
told me he thought apt was written in perl (and if so, then that
really says alot about how poorly the algo