Matrix compression for federated learning broadcasts#2524

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nirvanjhurreepriv wants to merge 16 commits into

apache:mainfrom

nirvanjhurreepriv:feature/compression

Commits on Jun 13, 2026

Add CompressionType enum
Charansurya Udaysingh Jhurree
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Add CompressionException and DecompressionException
Charansurya Udaysingh Jhurree
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Add CompressedMatrix container class
Charansurya Udaysingh Jhurree
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Add MatrixCompressor interface
Charansurya Udaysingh Jhurree
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Add TopKData holder class
Charansurya Udaysingh Jhurree
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Add TopKCompressor implementation
Charansurya Udaysingh Jhurree
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Fix MatrixBlock API: setValue -> set in TopKCompressor
Charansurya Udaysingh Jhurree
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Commits on Jun 29, 2026

Add QuantizedData holder class
Charansurya Udaysingh Jhurree
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Add ProbabilisticQuantizationCompressor implementation
Charansurya Udaysingh Jhurree
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Add CompressionConfig builder
Charansurya Udaysingh Jhurree
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Add CompressionFactory with PassthroughCompressor
Charansurya Udaysingh Jhurree
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Add TopKCompressorTest - 9 tests passing
Charansurya Udaysingh Jhurree
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Add ProbabilisticQuantizationCompressorTest
Charansurya Udaysingh Jhurree
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Add GitHub Actions CI/CD workflow for compression tests
Charansurya Udaysingh Jhurree
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Integrate compression into FederationMap broadcast
Charansurya Udaysingh Jhurree
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Fix deprecated upload-artifact v3 -> v4
Charansurya Udaysingh Jhurree
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