102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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// Copyright 2004-present Facebook. All Rights Reserved.
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// -*- c++ -*-
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#include "IndexIVFFlat_c.h"
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#include <faiss/IndexIVFFlat.h>
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#include "Clustering_c.h"
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#include "Index_c.h"
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#include "macros_impl.h"
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using faiss::Index;
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using faiss::IndexIVFFlat;
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using faiss::MetricType;
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DEFINE_DESTRUCTOR(IndexIVFFlat)
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DEFINE_INDEX_DOWNCAST(IndexIVFFlat)
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/// number of possible key values
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DEFINE_GETTER(IndexIVFFlat, size_t, nlist)
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/// number of probes at query time
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DEFINE_GETTER(IndexIVFFlat, size_t, nprobe)
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DEFINE_SETTER(IndexIVFFlat, size_t, nprobe)
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/// quantizer that maps vectors to inverted lists
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DEFINE_GETTER_PERMISSIVE(IndexIVFFlat, FaissIndex*, quantizer)
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/**
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* = 0: use the quantizer as index in a kmeans training
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* = 1: just pass on the training set to the train() of the quantizer
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* = 2: kmeans training on a flat index + add the centroids to the quantizer
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*/
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DEFINE_GETTER(IndexIVFFlat, char, quantizer_trains_alone)
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/// whether object owns the quantizer
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DEFINE_GETTER(IndexIVFFlat, int, own_fields)
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DEFINE_SETTER(IndexIVFFlat, int, own_fields)
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int faiss_IndexIVFFlat_new(FaissIndexIVFFlat** p_index) {
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try {
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*p_index = reinterpret_cast<FaissIndexIVFFlat*>(new IndexIVFFlat());
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}
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CATCH_AND_HANDLE
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}
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int faiss_IndexIVFFlat_new_with(
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FaissIndexIVFFlat** p_index,
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FaissIndex* quantizer,
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size_t d,
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size_t nlist) {
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try {
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auto q = reinterpret_cast<Index*>(quantizer);
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*p_index = reinterpret_cast<FaissIndexIVFFlat*>(
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new IndexIVFFlat(q, d, nlist));
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}
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CATCH_AND_HANDLE
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}
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int faiss_IndexIVFFlat_new_with_metric(
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FaissIndexIVFFlat** p_index,
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FaissIndex* quantizer,
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size_t d,
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size_t nlist,
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FaissMetricType metric) {
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try {
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auto q = reinterpret_cast<Index*>(quantizer);
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auto m = static_cast<MetricType>(metric);
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*p_index = reinterpret_cast<FaissIndexIVFFlat*>(
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new IndexIVFFlat(q, d, nlist, m));
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}
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CATCH_AND_HANDLE
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}
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int faiss_IndexIVFFlat_add_core(
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FaissIndexIVFFlat* index,
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idx_t n,
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const float* x,
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const idx_t* xids,
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const int64_t* precomputed_idx) {
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try {
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reinterpret_cast<IndexIVFFlat*>(index)->add_core(
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n, x, xids, precomputed_idx);
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}
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CATCH_AND_HANDLE
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}
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int faiss_IndexIVFFlat_update_vectors(
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FaissIndexIVFFlat* index,
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int nv,
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idx_t* idx,
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const float* v) {
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try {
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reinterpret_cast<IndexIVFFlat*>(index)->update_vectors(nv, idx, v);
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}
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CATCH_AND_HANDLE
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}
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