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[bruteforce] Fix bruteforce removePoint. #473

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Merged
yurymalkov merged 2 commits into from
Jul 4, 2023
Merged

[bruteforce] Fix bruteforce removePoint. #473

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[bruteforce] Fix bruteforce removePoint.
ttsugriy Jun 19, 2023
70ce84e
Merge branch 'nmslib:develop' into develop
ttsugriy Jun 19, 2023
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10 changes: 8 additions & 2 deletions hnswlib/bruteforce.h
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Original file line number Diff line number Diff line change
Expand Up @@ -84,10 +84,16 @@ class BruteforceSearch : public AlgorithmInterface<dist_t> {


void removePoint(labeltype cur_external) {
size_t cur_c = dict_external_to_internal[cur_external];
std::unique_lock<std::mutex> lock(index_lock);

dict_external_to_internal.erase(cur_external);
auto found = dict_external_to_internal.find(cur_external);
if (found == dict_external_to_internal.end()) {
return;
}

dict_external_to_internal.erase(found);

size_t cur_c = found->second;
labeltype label = *((labeltype*)(data_ + size_per_element_ * (cur_element_count-1) + data_size_));
dict_external_to_internal[label] = cur_c;
memcpy(data_ + size_per_element_ * cur_c,
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