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Otter post-processing tool

Project description

pyotter - The post-processing package for Otter

This is the post-processing package for use with Otter - please see the main Otter repo for details.

Getting Started


The following dependencies should be installed before installing pyotter:

Installing pyotter

To install pyotter from github:

git clone && cd pyotter
git checkout main
pip install .

To install from PyPi:

pip install pyotter

Using pyotter

A trace recorded by Otter can be converted into a graph in with:

python3 -m otter my-otter-trace/my-otter-trace.otf2 -o

The graph, saved to, can then be visualised using the dot command line tool included with Graphviz or a graph visualisation tool such as yEd-Desktop or yEd-Live.

Future Work

The future direction of development may include, in no particular order:

  • <input type="checkbox" disabled="" /> Visualise actual work done per task.
  • <input type="checkbox" disabled="" /> Automatic detection of the critical path.
  • <input type="checkbox" disabled="" /> Support for MPI+OpenMP applications.
  • <input type="checkbox" disabled="" /> Support for GPU-offloaded tasks.
  • <input type="checkbox" disabled="" /> Stronger graph visualisation capabilities.


Contributions are welcome! If you would like to contribute, please fork the repository and use the contributions branch. There is no specific style guide, although I would be grateful if you could code in a style consistent with that of the main project.

Issues, Questions and Feature Requests

Please post any of the above in the main Otter repo so as to keep everything in one place.


pyotter is released under the BSD 3-clause license. See LICENSE for details.

Copyright (c) 2021, Adam Tuft All rights reserved.


pyotter was conceived and developed as the subject of a final project and dissertation for the the Scientific Computing and Data Analysis MSc (MISCADA) at Durham University, UK. The author is grateful for the guidance and support of his supervisor Prof. Tobias Weinzierl and for the invaluable assistance provided by Dr. Holger Schulz.

Project details

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