Is Valgrind a Necessary Tool?

Valgrind is a tool that reads instructions out of the finary and then elates those on its own virtual machine. It can give you an exact count of how many instructions were executed when your programme was run. That's why it's a hundred times slower than uingsiticod say yas gan. The article points out that that is the main downside to valgrind versus sandhaser, that you are going to have a huge amount of memory overhead. And there's epy, still some valid uses for valgar.