Serialize Vamana index with SSD sector alignment per MSFT DiskANN format, generate quantized dataset for integration with DiskANN #846
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…mat, generate quantized dataset for integration with DiskANN (rapidsai#846) (This supersedes [PR!703](rapidsai#703)) Added an optional input flag to `cuvs::neighbors::vamana::serialize` to dump an input cuvs Vamana index to file with SSD sector alignment. File format follows [MSFT DiskANN](https://github.com/microsoft/DiskANN/blob/main/src/disk_utils.cpp). Using the sector-aligned option also writes out the quantized dataset computed using user-supplied PQ codebooks file and rotation matrix file. Authors: - James Xia (https://github.com/jamxia155) - Corey J. Nolet (https://github.com/cjnolet) Approvers: - Tarang Jain (https://github.com/tarang-jain) - Corey J. Nolet (https://github.com/cjnolet) - Gil Forsyth (https://github.com/gforsyth) URL: rapidsai#846
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(This supersedes PR!703)
Added an optional input flag to
cuvs::neighbors::vamana::serializeto dump an input cuvs Vamana index to file with SSD sector alignment. File format follows MSFT DiskANN.Using the sector-aligned option also writes out the quantized dataset computed using user-supplied PQ codebooks file and rotation matrix file.