How to test the times cost of each part in a program

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Dear Fellows,
I am trying to improve a program which runs very slowly. As there are a lot of nested functions, I need to find out which function costs the most time. Do you know how to realize that? For example, the main funciton call function1 and function1 calls function2 and so on...How could I indentify which function costs the enormous time?

Accepted Answer

Simon on 28 Oct 2013
Use the profiler, located under "Tools" in the menu bar.

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