| 106 | } |
| 107 | |
| 108 | HashTable::HashTable(int num_worker_threads, bool concurrent_read, |
| 109 | int slice_size, int id_block_size) |
| 110 | : slice_size_(slice_size), id_block_size_(id_block_size), |
| 111 | size_(slice_size), concurrent_read_(concurrent_read) { |
| 112 | num_tables_ = num_worker_threads; |
| 113 | LOG(INFO) << "HashTable table splits: " << num_tables_; |
| 114 | table_locks_.resize(num_tables_); |
| 115 | ids_container_.resize(num_tables_); |
| 116 | static char print_once = [] { |
| 117 | LOG(INFO) << "HashTable preserved dense hash map key: " << |
| 118 | kPreseverdEmptyKey << " and " << kPreseverdEmptyKey + 1; |
| 119 | return '\0'; |
| 120 | }(); |
| 121 | for (int64 i = 0; i < num_tables_; ++i) { |
| 122 | tables_.emplace_back(); |
| 123 | tables_.back().max_load_factor(kMaxLoadFactor); |
| 124 | tables_.back().set_empty_key(kPreseverdEmptyKey); |
| 125 | tables_.back().set_deleted_key(kPreseverdEmptyKey + 1); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | void HashTable::AddTensible( |
| 130 | TensibleVariable* tensor, std::function<void(Status)> done) { |