An increasing value of context switching time inversely affects the system performance in an almost linear fashion.
The context switching time tends to affect system performance inversely since as the context switching time increases so does the average turnaround and average waiting time. The increase of the above pulls down the CPU utilization
"A small time quantum requires the timer to generate interrupts with short
intervals. Each interrupt causes a context switch, so overhead increases with a larger number of interrupts."
- //A large time quantum will reduce the overhead of context switching since
interrupts will be generated with relatively long intervals, hence there will be fewer interrupts.//
- Short job will have to wait
longer time on the ready queue before it can get to execute on the processor. With a short time quantum, such a short job will finish
quicker and produces the result to the end user faster than with a longer time quantum.
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