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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