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WIP: Parallel profiling #26

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Create 06-parallel-profiling.md
bkmgit Jan 6, 2022
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bkmgit Jan 6, 2022
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2 changes: 1 addition & 1 deletion _episodes/05-bonus-mpi-for-pi.md → _episodes/05-mpi-for-pi.md
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---
title: "Bonus session: Distributing computations among computers"
title: "Using MPI to distribute computations among computers"
teaching: 45
exercises: 10
questions:
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22 changes: 22 additions & 0 deletions _episodes/06-parallel-profiling.md
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---
title: "Profiling parallel programs"
teaching: 45
exercises: 10
questions:
- "How do I profile a program using the message passing interface (MPI)?"
objectives:
- "Profile a program to examine computation and communication bottlenecks"
keypoints:
- "Profiling can help explain how to speed up code."
- "Parallel profiling tools are similar to serial ones, but typicaly add
communication and computation imbalance information"
---

## Parallel Profiling and Tracing Tools

There are a number of portable open source parallel profiling and tracing tools
including
- [HPCToolkit](http://hpctoolkit.org/)
- [Extrae](https://tools.bsc.es/extrae)
- [Scalasca](http://www.scalasca.org/)
- [TAU](https://www.cs.uoregon.edu/research/tau/home.php)