Gprof Tutorial

HPC.NRW
Associated Pages
+	This is an #HPC.NRW course
HPC Courses
1.	Introduction to Linux in HPC
2.	Gprof Tutorial
3.	OpenMP in Small Bites

Gprof is a free and easy-to-use profiler.

Gprof Introduction + Pascal Example

Quiz

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1. What lanuages can gprof profile?

	Python, Java, Julia
	C/C++, Fortran, Pascal
	Haskell, Cobol, Brainfuck

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2. How does gprof profiles an application?

	By instrumenting the application during compilation.
	Through static analysis of the source code

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3. What compiler flag is used to instrument the application?

	-pg
	-pig
	--profile

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How should the parameters be when running the instrumented application?

	Simple and understandable
	Representative of the usual workload
	Covering edge cases

C++ + Fortran Examples

Show gprof in real world examples and introduce call graph.