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Performance of SBPI-Het for different number of states K, with coding level f = N−1/2. The number of samples ranges from 100 for N = 1,000 to 10 for N = 64,000. Triangles, K = 2; squares, K = 4; circles, K = 10; crosses, K = 20; dashed line, cascade model with K = 20. (A) Storage efficiency vs. N. (B) Convergence time vs. α for N = 64,000.
