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4 changes: 2 additions & 2 deletions ALGO_PARAMS.md
Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,8 @@ elements for the queries. Note that in case the algorithm is not be able to find
is 2-100. Higher ```M``` work better on datasets with high intrinsic dimensionality and/or high recall, while low ```M``` work
better for datasets with low intrinsic dimensionality and/or low recalls. The parameter also determines the algorithm's memory
consumption, which is roughly ```M * 8-10``` bytes per stored element.
As an example for ```d```=4 random vectors optimal ```M``` for search is somewhere around 6, while for high dimensional datasets
(word embeddings, good face descriptors), higher ```M``` are required (e.g. ```M```=48, 64) for optimal performance at high recall.
As an example for ```dim```=4 random vectors optimal ```M``` for search is somewhere around 6, while for high dimensional datasets
(word embeddings, good face descriptors), higher ```M``` are required (e.g. ```M```=48-64) for optimal performance at high recall.
The range ```M```=12-48 is ok for the most of the use cases. When ```M``` is changed one has to update the other parameters.
Nonetheless, ef and ef_construction parameters can be roughly estimated by assuming that ```M```*```ef_{construction}``` is
a constant.
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3 changes: 2 additions & 1 deletion README.md
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Expand Up @@ -203,7 +203,8 @@ https://github.com/dbaranchuk/ivf-hnsw
* Python implementation (as a part of the clustering code by by Matteo Dell'Amico): https://github.com/matteodellamico/flexible-clustering
* Java implementation: https://github.com/jelmerk/hnswlib
* Java bindings using Java Native Access: https://github.com/stepstone-tech/hnswlib-jna
* .Net implementation: https://github.com/microsoft/HNSW.Net
* .Net implementation: https://github.com/microsoft/HNSW.Net
* CUDA implementation: https://github.com/js1010/cuhnsw

### Contributing to the repository
Contributions are highly welcome!
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