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SystemsProgrammingAndOperat.../Codes/Python version/Assignment-A6 (Memory placement)/Best Fit.py

29 lines
955 B
Python

def best_fit(memory_blocks, process_sizes):
allocation = [-1] * len(process_sizes)
for i in range(len(process_sizes)):
best_idx = -1
best_size = float('inf')
for j in range(len(memory_blocks)):
if memory_blocks[j] >= process_sizes[i] and memory_blocks[j] - process_sizes[i] < best_size:
best_size = memory_blocks[j] - process_sizes[i]
best_idx = j
if best_idx != -1:
allocation[i] = best_idx
memory_blocks[best_idx] -= process_sizes[i]
print("\nBest Fit Allocation:")
for i in range(len(process_sizes)):
if allocation[i] != -1:
print(f"Process {i+1} allocated to Block {allocation[i]+1}")
else:
print(f"Process {i+1} not allocated")
# Example Memory Blocks and Process Sizes
memory_blocks = [100, 500, 200, 300, 600]
process_sizes = [212, 417, 112, 426]
best_fit(memory_blocks, process_sizes)