diskann
Datasets
All datasets matching “diskann”SIFT1B-DiskANN
SIFT-1B Dataset & Disk Index
The SIFT-1B (BigANN) dataset and pre-built disk-based ANN index.
Built February 2026 on Intel Xeon 8462Y+ (Sapphire Rapids) with 800GB RAM.
Build Parameters
Parameter
Value
Dataset
SIFT-1B (1,000,000,000 vectors, 128-dim, uint8)
Graph R
128 (max degree)
Build L
200 (search list size during construction)
PQ chunks
32 (4 dimensions per sub-quantizer)
Build time
~2 days
Files
Raw Data… See the full description on the dataset page: https://huggingface.co/datasets/Nanvivi/SIFT1B-DiskANN.DiskANN_indexSIFT100M-DiskANN
SIFT-100M Dataset & Disk Index
The SIFT-100M dataset (first 100M vectors of BigANN SIFT-1B) and pre-built disk-based ANN index.
Built February 2026 on Intel Xeon 8462Y+ (Sapphire Rapids).
Build Parameters
Parameter
Value
Dataset
SIFT-100M (100,000,000 vectors, 128-dim, uint8)
Graph R
96 (max degree)
Build L
128 (search list size during construction)
PQ chunks
32 (4 dimensions per sub-quantizer)
Files
Raw Data
File
Size… See the full description on the dataset page: https://huggingface.co/datasets/Nanvivi/SIFT100M-DiskANN.cohere1536_diskanndiskann_sift0.1b_filesDiskANN-Index
