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refactor: clean up

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This commit is contained in:
Michael Mandl 2024-03-21 20:56:48 +01:00
parent 7af6ac593c
commit 06500fd69a
Signed by: mandlm
GPG key ID: 4AA25D647AA54CC7
1 changed files with 20 additions and 20 deletions
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40
lib_vector_search/src/bucket_finder.cpp
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@ -40,45 +40,45 @@ BucketFinder::BucketFinder(const WordList &word_list) {
buckets_.resize(bucket_count);
std::vector<std::thread> insert_threads;
std::vector<std::thread> threads;
for (auto bucket_index = 0; bucket_index < bucket_count; ++bucket_index) {
const size_t first_index = bucket_index * bucket_size;
const size_t last_index = (bucket_index == bucket_count - 1)
? word_list_size
: (bucket_index + 1) * bucket_size;
auto &bucket = buckets_[bucket_index];
insert_threads.emplace_back([&bucket, &word_list, first_index, last_index] {
bool is_last_bucket = bucket_index == bucket_count - 1;
const size_t first_index = bucket_index * bucket_size;
const size_t last_index =
is_last_bucket ? word_list_size : first_index + bucket_size;
threads.emplace_back([&, first_index, last_index] {
bucket.insert(word_list, first_index, last_index);
});
}
for (auto &thread : insert_threads) {
for (auto &thread : threads) {
thread.join();
}
}
WordRefList BucketFinder::find_prefix(std::string_view search_term) const {
WordRefList result;
std::mutex result_mutex;
WordRefList search_results;
std::mutex search_results_mutex;
std::vector<std::thread> search_threads;
std::vector<std::thread> threads;
for (const auto &bucket : buckets_) {
search_threads.emplace_back([&] {
auto thread_result = bucket.find_prefix(search_term);
if (!thread_result.empty()) {
std::lock_guard<std::mutex> result_lock(result_mutex);
std::move(thread_result.begin(), thread_result.end(),
std::back_inserter(result));
threads.emplace_back([&] {
auto thread_search_results = bucket.find_prefix(search_term);
if (!thread_search_results.empty()) {
std::lock_guard result_lock(search_results_mutex);
std::move(thread_search_results.begin(), thread_search_results.end(),
std::back_inserter(search_results));
}
});
}
for (auto &thread : search_threads) {
for (auto &thread : threads) {
thread.join();
}
return result;
return search_results;
};