database

package

v0.0.0-...-ba7cae4 Latest Latest Go to latest Published: Oct 1, 2023 License: MIT Imports: 9 Imported by: 0

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func DBIndex(row, col, M uint64) uint64

func Decompose(index, M uint64) (uint64, uint64)

func FindEnd(indices map[uint64]bool, rowStart, colIndex, M, L, maxLen uint64) uint64

func MergeClusterMap(origMap ClusterMap, newMap ClusterMap, origM uint64, newM uint64)

func MergeSubclusterMap(origMap SubclusterMap, newMap SubclusterMap, origM uint64, newM uint64)

type ClusterMap map[uint]uint64

func BuildEmbeddingsDatabase(c *corpus.Corpus, seed *rand.PRGKey,
	hintSz uint64, conf *config.Config) (*pir.Database[matrix.Elem64], ClusterMap)

func (m ClusterMap) ClusterToIndex(cluster uint) uint64

type SubclusterMap map[uint][]corpus.Subcluster

func BuildUrlsDatabase(c *corpus.Corpus, seed *rand.PRGKey,
	hintSz uint64) (*pir.Database[matrix.Elem32], SubclusterMap)

func (m SubclusterMap) FakeIndexInSubcluster(clusterIndex, subclusterIndex uint64) uint64

func (m SubclusterMap) SubclusterToIndex(clusterIndex, docIndex uint64) (uint64, uint64, uint64)