Performance fix; delete unused data structures

[c11tester.git] / history.cc

diff --git a/history.cc b/history.cc
index 2ad4c1a..4fde914 100644 (file)
--- a/history.cc
+++ b/history.cc
@@ -19,7 +19,7 @@ ModelHistory::ModelHistory() :
        func_nodes()
 {
        /* The following are snapshot data structures */
-       write_history = new HashTable<void *, value_set_t *, uintptr_t, 4>();
+       write_history = new HashTable<void *, value_set_t *, uintptr_t, 0>();
        loc_rd_func_nodes_map = new HashTable<void *, SnapVector<FuncNode *> *, uintptr_t, 0>();
        loc_wr_func_nodes_map = new HashTable<void *, SnapVector<FuncNode *> *, uintptr_t, 0>();
        loc_waiting_writes_map = new HashTable<void *, SnapVector<ConcretePredicate *> *, uintptr_t, 0>();
@@ -330,7 +330,6 @@ void ModelHistory::check_waiting_write(ModelAction * write_act)
        void * location = write_act->get_location();
        uint64_t value = write_act->get_write_value();
        SnapVector<ConcretePredicate *> * concrete_preds = loc_waiting_writes_map->get(location);
-       SnapVector<ConcretePredicate *> to_remove = SnapVector<ConcretePredicate *>();
        if (concrete_preds == NULL)
                return;
 
@@ -362,22 +361,16 @@ void ModelHistory::check_waiting_write(ModelAction * write_act)
                }
 
                if (satisfy_predicate) {
-                       to_remove.push_back(concrete_pred);
+                       /* Wake up threads */
+                       thread_id_t tid = concrete_pred->get_tid();
+                       Thread * thread = model->get_thread(tid);
+
+                       //model_print("** thread %d is woken up\n", thread->get_id());
+                       model->get_execution()->getFuzzer()->notify_paused_thread(thread);
                }
 
                index++;
        }
-
-       for (uint i = 0; i < to_remove.size(); i++) {
-               ConcretePredicate * concrete_pred = to_remove[i];
-
-               /* Wake up threads */
-               thread_id_t tid = concrete_pred->get_tid();
-               Thread * thread = model->get_thread(tid);
-
-               model_print("** thread %d is woken up\n", thread->get_id());
-               model->get_execution()->getFuzzer()->notify_paused_thread(thread);
-       }
 }
 
 WaitObj * ModelHistory::getWaitObj(thread_id_t tid)
@@ -520,7 +513,6 @@ void ModelHistory::monitor_waiting_thread_counter(thread_id_t tid)
 {
        WaitObj * wait_obj = getWaitObj(tid);
        thrd_id_set_t * waited_by = wait_obj->getWaitedBy();
-       SnapVector<thread_id_t> expire_threads;
 
        // Thread tid has taken an action, update the counter for threads waiting for tid
        thrd_id_set_iter * tid_iter = waited_by->iterator();
@@ -530,6 +522,7 @@ void ModelHistory::monitor_waiting_thread_counter(thread_id_t tid)
 
                bool expire = other_wait_obj->incr_counter(tid);
                if (expire) {
+//                     model_print("thread %d stops waiting for thread %d\n", waited_by_id, tid);
                        wait_obj->remove_waited_by(waited_by_id);
                        other_wait_obj->remove_waiting_for(tid);