A system with two dual-core processors has four processors availablefor scheduling. A

Chapter 4, Problem 4.14

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A system with two dual-core processors has four processors availablefor scheduling. A CPU-intensive application is running on this system.All input is performed at program start-up, when a single file mustbe opened. Similarly, all output is performed just before the program terminates, when the program results must be written to a singlefile. Between startup and termination, the program is entirely CPUbound.Your task is to improve the performance of this applicationby multithreading it. The application runs on a system that uses theone-to-one threading model (each user thread maps to a kernel thread). How many threads will you create to perform the input and output?Explain. How many threads will you create for the CPU-intensive portion ofthe application? Explain.

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