With diligence it is possible to make anything run slowly.
The first step in fixing a broken program is getting it to fail repeatably [on the simplest example possible].
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.