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Simulations, Data Analysis and Algorithms

Table 2 Breakdown of time for 1 step in seconds for 12 billion particles (top half) and 24 billion particles (bottom half) dataset run on blue waters without the proposed optimizations

From: Adaptive techniques for clustered N-body cosmological simulations

#cores Gravity DD TB LB Total time
16,384 82.424 2.81 0.995 7.79 94.019
32,768 42.712 1.966 1.005 6.854 52.537
65,536 21.438 1.731 0.729 6.482 30.38
131,072 12.162 1.674 0.803 5.718 20.357
32,768 80.144 2.859 1.366 16.173 100.542
65,536 41.279 2.356 1.032 9.338 54.005
131,072 22.958 2.142 1.018 8.854 34.972