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pipit's Introduction

pipit

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A Python-based library for analyzing execution traces from parallel programs.

Contributing

Pipit is an open source project. We welcome contributions via pull requests, and questions, feature requests, or bug reports via issues.

License

Pipit is distributed under the terms of the MIT License.

All contributions must be made under the the MIT license. Copyrights in the Pipit project are retained by contributors. No copyright assignment is required to contribute to Pipit.

See LICENSE for details.

SPDX-License-Identifier: MIT

pipit's People

Contributors

adityaranjan avatar amovsesyan avatar bhatele avatar hsirkar avatar jordanmarry avatar ocnkr avatar

Stargazers

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Watchers

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Forkers

joshop adamwitiak amovsesyan techthiyanes anshuchandrasekhar

pipit's Issues

Update HPCToolkit reader to access meta.db

Since HPCToolkit version 2022.10.01, we switched to the new database format, which uses meta.db instead of experiment.xml from the old database format.

The data format contained in a meta.db file is documented here.

Problems with OpenMP and Pthreads (non-MPI) traces

Many of our functions assume that the trace is an MPI trace. A lot of them also assume that there is messaging information.

Specifically, we use the "process" column to groupby and aggregate metrics, plot the timeline, and calculate time profile. For a multi-threaded program, some of our readers do not create a process column at all.

These lead to issues with OpenMP and Pthreads programs that are multi-threaded but only run in a single node.

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