Best Fit Algorithm in Operating System (OS) | Program in C

In the case of the best fit memory allocation scheme, the operating system searches for the empty memory block. When the operating system finds the memory block with minimum wastage of memory, it is allocated to the process. This scheme is considered as the best approach as it results in most optimized memory allocation. However, finding the best fit memory allocation may be time-consuming.

Algorithm

Step1.

Enter the memory blocks with size.

Step2.

Enter the process blocks with size.

Step3.

Set all the memory blocks as free.

Step4.

Start by picking up each process

Step5.

Find the minimum block size that is best to assign to the current process.

Step6.

If the best fit memory size is found, it is allocated to the process.

Step7.

If the memory block and memory demand do not match, leave the process and search for another process.

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