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Table 1 Relative performance of the sparse optimization on 2000 genes and 2000 cells, baseline is the standard algorithm with 1 thread and no sparse optimization

From: CoGAPS 3: Bayesian non-negative matrix factorization for single-cell analysis with asynchronous updates and sparse data structures

Data sparsity (%) Memory (MB) Runtime (1 thread) Runtime (4 threads)
70 0.14 1.92 0.62
80 0.09 1.24 0.42
90 0.04 0.42 0.20