Task Management.

Task Management
"One can often divide the work a program does into conceptually separate tasks: each encapsulates a control flow and the entire task accesses some common, shared state. High-performance program often written with preemptive task management wherein execution of task can interleave on uniprocessors or over lap on multi processors. The opposite approach, serial task
Management, run each tasks to completion before starting the next task. Its advantage is that there is no conflict of access of the shared state, one can define inter-task invariant on the shared state and be assur…