Difference between revisions of "Gprof Tutorial"

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=== Introduction === <!--T:5-->
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<youtube width="600" height="400" right>KRJD-jpxXF4</youtube>
  
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Introduce tutorial structure, topic and speaker
 
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<youtube width="600" height="400" right>IfD9IPixgpo</youtube>
 
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=== Gprof Introduction + Pascal Example === <!--T:5-->
 
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Provide everything to run and make use of gprof.
 
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<youtube width="600" height="400" right>IfD9IPixgpo</youtube>
 
  
 
'''Quiz'''
 
'''Quiz'''

Revision as of 10:46, 2 November 2020


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.


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

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

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