Profiling in software

In software engineering, performance analysis, more commonly known today as profiling, is the investigation of a program’s behavior using information gathered as the program executes (i.e. it is a form of dynamic program analysis, as opposed to static code analysis). The usual goal of performance analysis is to determine which sections of a program to optimize — usually either to increase its speed or decrease its memory requirement (or sometimes both).

continue to read online:

http://docs.google.com/View?id=dcrhkvwg_124f7b38qfm