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PC GAMESS benchmarks and scalability on SKIF K-1000 - large Infiniband Opteron Linux cluster

PC GAMESS v. 7.0.4 benchmarks and scalability on SKIF K-1000 - large Opteron Linux Infiniband cluster


Number of processors used

Test 1, Wall clock time and relative speedup

Test 3, Wall clock time and relative speedup

Test 5, Wall clock time and relative speedup

Test 6, Wall clock time and relative speedup

2

2489.3

2.00

4715.7

2.00

5454.7

2.00

13843.6

2.00

4

1273.4

3.91

2283.6

4.13

2958.4

3.69

7061.6

3.92

6

862.0

5.78

1528.8

6.17

2088.6

5.22

4799.4

5.77

8

660.8

7.53

1158.6

8.14

1720.8

6.34

3727.7

7.43

10

540.4

9.21

928.2

10.16

1465.0

7.45

2991.3

9.26

12

455.8

10.92

777.7

12.13

1288.1

8.47

2555.6

10.83

14

398.9

12.48

671.6

14.04

1157.6

9.42

2221.3

12.46

16

373.6

13.33

600.4

15.71

1117.4

9.76

2009.2

13.78

18

323.0

15.41

528.9

17.83

1047.8

10.41

1786.4

15.50

20

292.8

17.00

479.0

19.69

973.8

11.20

1637.4

16.91

22

266.6

18.67

436.7

21.60

898.8

12.13

1512.1

18.31

24

250.5

19.87

401.4

23.50

925.7

11.79

1405.6

19.70

26

233.3

21.34

374.0

25.22

848.7

12.85

1328.4

20.84

28

220.2

22.61

350.9

26.88

797.0

13.69

1262.3

21.93

30

207.4

24.00

326.6

28.88

788.1

13.84

1192.8

23.21

32

213.7

23.30

318.3

29.63

808.3

13.50

1213.4

22.82

34

194.0

25.66

292.2

32.28

832.9

13.10

1093.8

25.31