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External Sorting

Analysis

To be concrete: Number of passes as a function of N, B.

B = 10 B = 100 B = 1,000 B = 10,000 B = 100,000
N = 1,000 4 2 1 1 1
N = 1,000,000 7 4 3 2 2
N = 1,000,000,000 10 5 4 3 2

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