Showing posts with label Shortest Job. Show all posts
Showing posts with label Shortest Job. Show all posts

C++ Program (Source Code) for Preemptive Shortest Job First (SJF) CPU Scheduling Algorithm

Shortest Job First:

In operating systems, tasks that are queued to be processed go through different scheduling algorithms in different operating systems. Shortest Job First or SJF is one of them. In shortest job first, literary, the smallest task among all the remaining tasks will get processed first.

However, I explained Shortest Job First (SJF) in my another post earlier and as many of my readers wanted to have the source code, here I am publishing the source code of the program. I am not currently explaining the source code, please try to play with it to understand it. I am removing comments intentionally.


Preemptive Shortest Job First (SJF) CPU Scheduling Algorithm in C++ with Explanation


If you haven't read/tried the earlier problems then click the links follow:



Preemptive Shortest Job First (SJF) CPU Scheduling Algorithm in C++ with Explanation

Preemptive Shortest Job First (SJF) CPU Scheduling Algorithm in C++ with Explanation:

Preemptive Shortest Job First (SJF) is a CPU scheduling algorithm in which the CPU, at any given time, looks for the job with the shortest burst time among the jobs in hand and starts processing it. In SJF the processor will not just pick the job that arrived first, rather will compare them based on their required CPU time and will pick the one which requires lowest amount of time.