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Add hnsw search params for bounded queue option #3748

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Add hnsw search params for bounded queue option #3748

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5 changes: 4 additions & 1 deletion faiss/impl/HNSW.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -847,6 +847,9 @@ HNSWStats HNSW::search(
}
int k = extract_k_from_ResultHandler(res);

bool bounded_queue =
params ? params->bounded_queue : this->search_bounded_queue;

if (upper_beam == 1) {
// greedy search on upper levels
storage_idx_t nearest = entry_point;
Expand All @@ -857,7 +860,7 @@ HNSWStats HNSW::search(
}

int ef = std::max(params ? params->efSearch : efSearch, k);
if (search_bounded_queue) { // this is the most common branch
if (bounded_queue) { // this is the most common branch
MinimaxHeap candidates(ef);

candidates.push(nearest, d_nearest);
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1 change: 1 addition & 0 deletions faiss/impl/HNSW.h
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,7 @@ struct ResultHandler;
struct SearchParametersHNSW : SearchParameters {
int efSearch = 16;
bool check_relative_distance = true;
bool bounded_queue = true;

~SearchParametersHNSW() {}
};
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