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Faiss
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Faiss
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#include <IndexHNSW.h>
Public Member Functions | |
| IndexHNSWPQ (int d, int pq_m, int M) | |
| void | train (idx_t n, const float *x) override |
| Trains the storage if needed. | |
| HNSW::DistanceComputer * | get_distance_computer () const override |
 Public Member Functions inherited from faiss::IndexHNSW | |
| IndexHNSW (int d=0, int M=32) | |
| IndexHNSW (Index *storage, int M=32) | |
| void | add (idx_t n, const float *x) override |
| void | search (idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const override |
| entry point for search | |
| void | reconstruct (idx_t key, float *recons) const override |
| void | reset () override |
| removes all elements from the database. | |
| void | shrink_level_0_neighbors (int size) |
| void | search_level_0 (idx_t n, const float *x, idx_t k, const storage_idx_t *nearest, const float *nearest_d, float *distances, idx_t *labels, int nprobe=1, int search_type=1) const |
| void | init_level_0_from_knngraph (int k, const float *D, const idx_t *I) |
| alternative graph building | |
| void | init_level_0_from_entry_points (int npt, const storage_idx_t *points, const storage_idx_t *nearests) |
| alternative graph building | |
| void | reorder_links () |
| void | link_singletons () |
| Public Member Functions inherited from faiss::Index | |
| Index (idx_t d=0, MetricType metric=METRIC_L2) | |
| virtual void | add_with_ids (idx_t n, const float *x, const long *xids) |
| virtual void | range_search (idx_t n, const float *x, float radius, RangeSearchResult *result) const |
| void | assign (idx_t n, const float *x, idx_t *labels, idx_t k=1) |
| virtual long | remove_ids (const IDSelector &sel) |
| virtual void | reconstruct_n (idx_t i0, idx_t ni, float *recons) const |
| virtual void | search_and_reconstruct (idx_t n, const float *x, idx_t k, float *distances, idx_t *labels, float *recons) const |
| void | compute_residual (const float *x, float *residual, idx_t key) const |
| void | display () const |
Additional Inherited Members | |
| Public Types inherited from faiss::IndexHNSW | |
| typedef HNSW::storage_idx_t | storage_idx_t |
| Public Types inherited from faiss::Index | |
| typedef long | idx_t |
| all indices are this type | |
| Public Attributes inherited from faiss::IndexHNSW | |
| HNSW | hnsw |
| bool | own_fields |
| Index * | storage |
| ReconstructFromNeighbors * | reconstruct_from_neighbors |
| Public Attributes inherited from faiss::Index | |
| int | d |
| vector dimension | |
| idx_t | ntotal |
| total nb of indexed vectors | |
| bool | verbose |
| verbosity level | |
| bool | is_trained |
| set if the Index does not require training, or if training is done already | |
| MetricType | metric_type |
| type of metric this index uses for search | |
PQ index topped with with a HNSW structure to access elements more efficiently.
Definition at line 292 of file IndexHNSW.h.
1.8.5
