Task #1 and #2 updating without synchronization (Fig. 1a)
Time Account Task # 1 Task #2 Slice Balance Action Action ------------------------------------------------------------------
0 $500 None None 1 $500 dep_bal = balance + 100; None 2 $500 None wdr_bal = balance - 200; 3 $600 balance = dep_bal; None 4 $300 None balance = wdr_bal;Task #1 and #2 with Synchronization (Fig. 1b)
Time Account Task #1 Task #2 Slice Balance Action Action ------------------------------------------------------------------
0 $500 None None 1 $500 dep_bal = balance + 100; None 2 $600 balance = dep_bal; None 3 $600 None wdr_bal = balance - 200; 4 $400 None balance = wdr_bal;