Table 7 Analysis of the clusters Gflops performance and speedup by using the HPL benchmark with \(NB\,=\,32\), different numbers of nodes and different proportion of the systems total main memory utilized

\(\approx\) 70 %

5696

1

32

1

1

589.17 s

0.209

1.00

8064

2

32

1

2

983.76 s

0.355

\(\approx\) 1.69

11,392

4

32

1

4

1641.22 s

0.600

\(\approx\) 2.78

16,128

8

32

2

4

2166.95 s

1.291

\(\approx\) 6,17

\(\approx\) 75 %

6112

1

32

1

1

722.29 s

0.210

1.00

8640

2

32

1

2

1153.95 s

0.372

\(\approx\) 1.77

12,224

4

32

1

4

1977.85 s

0.615

\(\approx\) 2.92

17,280

8

32

2

4

2617.08 s

1.315

\(\approx\) 6.26

\(\approx\) 80 %

6496

1

32

1

1

859.81 s

0.212

1.00

9216

2

32

1

2

1503.04 s

0.347

\(\approx\) 1.77

13,024

4

32

1

4

2328.03 s

0.632

\(\approx\) 2.98

18,432

8

32

2

4

3055.37 s

1.367

\(\approx\) 6.44

\(\approx\) 85 %

6912

1

32

1

1

1037.84 s

0.212

1.00

9792

2

32

1

2

1705.12 s

0.367

\(\approx\) 1.73

13,856

4

32

1

4

2782.23 s

0.637

\(\approx\) 3.00

19,584

8

32

2

4

3688.51 s

1.358

\(\approx\) 6.40

\(\approx\) 90 %

7328

1

32

1

1

1246.73 s

0.210

1.00

10,368

2

32

1

2

1993.88 s

0.372

\(\approx\) 1.77

14,656

4

32

1

4

3274.85 s

0.641

\(\approx\) 3.05

20,768

8

32

2

4

4370.31 s

1.367

\(\approx\) 6.50

\(\approx\) 95 %

7744

1

32

1

1

1578.72 s

0.196

1.00

10,944

2

32

1

2

2699.97 s

0.323

\(\approx\) 1.64

15,488

4

32

1

4

4927.79 s

0.502

\(\approx\) 2.56

21,920

8

32

2

4

10,326.42 s

0.680

\(\approx\) 3.46