Gprof Tutorial

From HPC Wiki
Jump to navigation Jump to search


HPC.NRW
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.

Introduction

Introduce tutorial structure, topic and speaker

Gprof Introduction + Pascal Example

Provide everything to run and make use of gprof.

Quiz

1. What lanuages can gprof profile?

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

2. How does gprof profiles an application?

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

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

-pg
-pig
--profile

How should the parameters be when running the instrumented application?

Simple and understandable
Representative of the usual workload
Covering edge cases

Note: Exercises: no exercises in this section

C++ + Fortran Examples

Show gprof in real world examples and introduce call graph.


Quiz: no quiz in this section

Note: Exercises: no exercises in this section