test/milvus
1
0
Fork 0
mirror of https://gitee.com/milvus-io/milvus.git synced 2024-12-05 05:18:52 +08:00
Code Issues Actions 14 Packages Projects Releases Wiki Activity

fix TopK bug

Browse Source 
Former-commit-id: 76e24617b83d49b2a4808a0cd7406edb849e767e
This commit is contained in:
xj.lin 2019-05-11 18:49:30 +08:00
parent c4244fdc6d
commit 354f68a96f
1 changed files with 15 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
cpp/src/db/DBImpl.cpp
View File

@ -147,15 +147,25 @@ Status DBImpl<EngineT>::search(const std::string& group_id, size_t k, size_t nq,
const int &k,
float *output_distence,
long *output_ids) -> void {
std::map<float, int> inverted_table;
std::map<float, std::vector<int>> inverted_table;
for (int i = 0; i < input_data.size(); ++i) {
inverted_table[input_data[i]] = i;
if (inverted_table.count(input_data[i]) == 1) {
auto& ori_vec = inverted_table[input_data[i]];
ori_vec.push_back(i);
}
else {
inverted_table[input_data[i]] = std::vector<int>{i};
}
}
int count = 0;
for (auto it = inverted_table.begin(); it != inverted_table.end() && count < k; ++it, ++count) {
output_distence[count] = it->first;
output_ids[count] = it->second;
for (auto &item : inverted_table){
if (count == k) break;
for (auto &id : item.second){
if (++count == k) break;
output_distence[count] = item.first;
output_ids[count] = id;
}
}
};
auto cluster_topk = [&]() -> void {