Skip to content

Commit

Permalink
FreshDiskANN
Browse files Browse the repository at this point in the history
Signed-off-by: Zhao Junwang <[email protected]>
  • Loading branch information
zhjwpku committed Mar 30, 2024
1 parent e63f1ae commit 4a5093c
Show file tree
Hide file tree
Showing 2 changed files with 4 additions and 0 deletions.
Binary file added src/assets/pdfs/FreshDiskANN_2021.pdf
Binary file not shown.
4 changes: 4 additions & 0 deletions src/databases/vectordb/diskann.md
Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,10 @@ HNSW,NSG 和 Vamana 本质上都是图算法,都可以抽象为两个操作

DiskANN 通过 BeamSearch(设置 beamwidth 一次读多个数据块) 和缓存最常访问的节点(eg. by caching all vertices that are C = 3 or 4 hops from the starting point s)来加速查询。 另外,DiskANN 将邻居节点的向量保存在磁盘索引文件中,来提高搜索的精度(Implicit Re-Ranking Using Full-Precision Vectors)。

### Further readings

- [FreshDiskANN: A Fast and Accurate Graph-Based ANN Index for Streaming Similarity Search](/assets/pdfs/FreshDiskANN_2021.pdf), 2021

#### References:

- [DiskANN, A Disk-based ANNS Solution with High Recall and High QPS on Billion-scale Dataset](https://milvus.io/blog/2021-09-24-diskann.md)
Expand Down

0 comments on commit 4a5093c

Please sign in to comment.