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Provide two programming examples of multithreading giving improved performance over a single-threaded solution.
(1) A Web server that services every request in a separate thread.
(2) A parallelized application such as matrix multiplication where dissimilar parts of the matrix may be worked on in parallel.
(3) An interactive GUI program like a debugger where a thread is used to monitor user input, another thread shows the running application, and a third thread monitors performance.
Explain about interprocess communication The cooperating processes communicate with each other via an interprocess communication facility. IPC gives a mechanism to permit proce
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RESOURCE ALLOCATION GRAPH When a process Pi wishes an instance of resource type Rj, a request edge is inserted in the resource allocation graph. When this request is able to be
Identifying parallelism A formal way to identify parallelism in an activity is to draw a task dependence graph in a directed graph in which each vertex represents a task to
What do you mean by system calls? System calls give the interface among a process and the operating system. When a system call is implemented, it is treated as by the hardware
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What are the requirements for solution of critical section problems? Mutual exclusion : If process p is implementing in its critical section then no other processes can be exe
Major page fault: If the page is not loaded in memory at the time the fault is stated, then it is named major or hard page fault. The handler in the machine requires to search a
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