OpenMP Computation Graph Visualization

This repository is part of the broader work Visualizing Correctness Issues in OpenMP Programs and contains the visualization component.

Overview

The user interface is shown below:

1. Computation graph display:
   • Each node corresponds to an OpenMP task.
   • Racy nodes are highlighted in red.
   • Task nodes are annotated with line number corresponding to creation.
2. Source code for first thread involved in data race.
   • Task creation directives are highlighted in yellow.
   • Unordered memory accesses are highlighted in red.
3. Source code for second thread involved in data race.
4. Legend.
   • Additional information about visuals.
5. Navigation buttons.
   • Configures graph layout to show relevant racy nodes.
6. Stack information.

Usage

Running our visualization tool is simple:

1. Double-click index.html to open the visualization in a browser.
2. Select 'Upload File'
3. Upload runtime data.

Acknowledgements

This work was developed in collaboration with Feiyang Jin, Lechen Yu, and Vivek Sarkar.