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Parallel Implementation of Closeness and Harmonic Centrality #93

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RohitP2005
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Parallel Implementation of Closeness and Harmonic Centrality

Description

This PR works on: #82

This PR includes the parallel implementation of closeness centrality and harmonic centrality from NetworkX using joblib.Parallel. These algorithms were chosen for their embarrassingly parallel nature, allowing efficient parallel computation. The implementation follows the existing nx-parallel structure while ensuring compatibility with NetworkX APIs.

Changes Included

  • Parallelized Closeness Centrality using joblib.Parallel
  • Parallelized Harmonic Centrality using joblib.Parallel
  • Added get_chunks parameter to allow user-defined chunking
  • Updated interface.py to include the new functions in ALGORITHMS
  • Updated __init__.py for module inclusion
  • Added docstrings following NetworkX conventions
  • Additional test cases and validation for get_chunks
  • Ran the timing script to generate performance heatmaps
  • Benchmarks for both implementations

Checklist

  • Implemented parallel versions of closeness and harmonic centrality
  • Ensured API compatibility with NetworkX
  • Added get_chunks parameter for chunk-based execution
  • Updated interface.py and __init__.py
  • Included proper docstrings
  • Added test cases for get_chunks
  • Ran timing script for performance validation
  • Added benchmarks for new functions

References

This PR ensures efficient parallel execution of closeness and harmonic centrality while maintaining API integrity. 🚀

@Schefflera-Arboricola Schefflera-Arboricola marked this pull request as draft March 11, 2025 09:11
@Schefflera-Arboricola
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@RohitP2005 Please mark this PR "Ready for review" after aligning the PR's contents with the PR's description. Thanks!

@RohitP2005
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@RohitP2005 Please mark this PR "Ready for review" after aligning the PR's contents with the PR's description. Thanks!

Will come up with those asap

@RohitP2005
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Hey @Schefflera-Arboricola I would like a little help here
can u give me hint from the current failing CIs

@akshitasure12
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akshitasure12 commented Jun 5, 2025 •
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Hi @RohitP2005, Just wanted to check in -- are you still working on this PR? If not, I’d be happy to pick it up. Let me know, thanks!

@Schefflera-Arboricola
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Schefflera-Arboricola commented Jun 5, 2025 •
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The closeness_centrality algorithm is already being discussed and developed in PR #72 -- and this PR doesn't implement closeness centrality I think-- not sure why that's mentioned in the title

@Schefflera-Arboricola
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Closing this PR due to inactivity. Please feel free to re-open and work on this @RohitP2005 if you still have the bandwidth to do so. Thanks!

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@RohitP2005 @Schefflera-Arboricola @akshitasure12