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Table 3 Breakdown of time for 1 step in seconds for cosmo25 dataset with single-stepping (top half) and multi-stepping (bottom half) on Blue Waters

From: Adaptive techniques for clustered N-body cosmological simulations

#cores

Gravity

DD

TB

LB

Step time

16 Step time

8,192

33.433

0.441

0.292

1.423

35.589

569.424

16,384

16.952

0.210

0.148

0.851

18.161

290.576

32,768

8.643

0.132

0.091

0.496

9.362

149.792

65,536

4.395

0.163

0.073

0.295

4.926

78.816

131,072

2.353

0.134

0.066

0.216

2.769

44.304

8,192

7.45

0.83

0.47

2.1

10.85

173.6

16,384

3.73

0.79

0.32

1.07

5.91

94.56

32,768

2.1

0.46

0.2

0.55

3.31

52.96

65,536

1.1

0.35

0.12

0.37

1.94

31.04

131,072

0.77

0.24

0.07

0.33

1.41

22.56