With diligence it is possible to make anything run slowly.
Shared libraries are the work of the devil, the one true sign that the apocalypse is at hand.
How many seconds are there in a year? If I tell you there are 3.155 x 10^7, you won't even try to remember it. On the other hand, who could forget that, to within half a percent, pi seconds is a nanocentury.
The first step in fixing a broken program is getting it to fail repeatably [on the simplest example possible].