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Downstream --- Python Implementation

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downstream provides efficient, constant-space implementations of stream curation algorithms.

Installation

To install from PyPi with pip, run

python3 -m pip install "downstream[jit]==1.23.1"

A containerized release of downstream is available via https://ghcr.io

singularity exec docker://ghcr.io/mmore500/downstream:v1.23.1 python3 -m downstream --help

Citing

If downstream contributes to a scientific publication, please cite it as

Yang C., Wagner J., Dolson E., Zaman L., & Moreno M. A. (2025). Downstream: efficient cross-platform algorithms for fixed-capacity stream downsampling. arXiv preprint arXiv:2506.12975. https://doi.org/10.48550/arXiv.2506.12975

@misc{yang2025downstream,
      doi={10.48550/arXiv.2506.12975},
      url={https://arxiv.org/abs/2506.12975},
      title={Downstream: efficient cross-platform algorithms for fixed-capacity stream downsampling},
      author={Connor Yang and Joey Wagner and Emily Dolson and Luis Zaman and Matthew Andres Moreno},
      year={2025},
      eprint={2506.12975},
      archivePrefix={arXiv},
      primaryClass={cs.DS},
}

And don't forget to leave a star on GitHub!

Metadata

Release files for downstream 1.23.1

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for downstream 1.23.1
File Size Uploaded
downstream-1.23.1.tar.gz 95.9 kB Details

Built distribution (wheel)

Table of built distributions (wheels) for downstream 1.23.1
File Interpreter ABI Platform
downstream-1.23.1-py2.py3-none-any.whl Python 3, Python 2 none any Details

Total release size: 335.9 kB

Release files / downstream-1.23.1.tar.gz

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1.23.1 This release

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