Fixing the hang when search is run on single thread (#578)

* Fixing the hang when search is run on single thread * Fixing code freeze for single-threaded search --------- Co-authored-by: Gopal Srinivasa <[email protected]>
microsoft · Aug 14, 2024 · fd93a04 · fd93a04
1 parent c864227
commit fd93a04
Showing 1 changed file with 0 additions and 9 deletions.
diff --git a/src/pq_flash_index.cpp b/src/pq_flash_index.cpp
@@ -209,11 +209,6 @@ template <typename T, typename LabelT> void PQFlashIndex<T, LabelT>::load_cache_
     diskann::cout << "Loading the cache list into memory.." << std::flush;
     size_t num_cached_nodes = node_list.size();
 
-    // borrow thread data
-    ScratchStoreManager<SSDThreadData<T>> manager(this->_thread_data);
-    auto this_thread_data = manager.scratch_space();
-    IOContext &ctx = this_thread_data->ctx;
-
     // Allocate space for neighborhood cache
     _nhood_cache_buf = new uint32_t[num_cached_nodes * (_max_degree + 1)];
     memset(_nhood_cache_buf, 0, num_cached_nodes * (_max_degree + 1));
@@ -506,10 +501,6 @@ template <typename T, typename LabelT> void PQFlashIndex<T, LabelT>::use_medoids
     alloc_aligned(((void **)&_centroid_data), _num_medoids * _aligned_dim * sizeof(float), 32);
     std::memset(_centroid_data, 0, _num_medoids * _aligned_dim * sizeof(float));
 
-    // borrow ctx
-    ScratchStoreManager<SSDThreadData<T>> manager(this->_thread_data);
-    auto data = manager.scratch_space();
-    IOContext &ctx = data->ctx;
     diskann::cout << "Loading centroid data from medoids vector data of " << _num_medoids << " medoid(s)" << std::endl;
 
     std::vector<uint32_t> nodes_to_read;