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LAIPE2 Exhibits a Consistent Performance On Intel and AMD Processors

[Posted by Jenn-Ching Luo on July 23, 2016 ]


        A consistent performance of LAIPE2 on Intel Xeon and AMD Opteron could be predictable. Generally, any software, not in any special instructions, could have a consistent performance on different processor architectures. LAIPE 2 is one of them, without any special instructions. A consistent performance could be expected. This post uses timing results to show it.

TESTING EXAMPLE

Compute [C]=[A][B], where matrices [A], [B] and [C] are 4-byte real matrix. Matrix [A] is of order (15,000-by-11,000), and matrix [B] is of order (11,000-by-12,000), and matrix [C] is of order (15,000-by-12,000).

The LAIPE2 subroutine laipe$matmul_4 is called to perform the computation. gfortran is the compiler for the executable. The compilation option included -O3, and the executable was linked against neuloop4. neuloop4 is a library for homogeneous soft core computing.

COMPUTER 1

Computer: a Dell PowerEdge R815 with quad Opteron 6168, a total of 48 cores.
Operating System: Core of Windows Server 2008 R2

COMPUTER 2

Computer: a Dell PoweEdge R810 with quad Intel Xeon L7555, a total of 32 physical cores. Because L7555 can run at a higher frequency when using 2 or less cores, processor's turbo boost was disabled for the purpose to measure speedup. Further, logical core (e.g., hyper-threading) was also disabled for the same purpose.
Operating System: Core of Windows Server 2008 R2

SPEEDUP AND PARALLEL EFFICIENCY ON AMD OPTERON

        First, let us see performance on AMD Opteron. The computer has 48 cores. Speedup and parallel efficiency are listed in the table below.

        From the table, we can see one to twenty cores can yield an almost perfect speedup; 35 cores yields an efficiency 90%; 48 cores can speed up the computation to 39x. Matrix multiplication is a good example of parallel computing. The detailed timing results are appended in this post for reference.

Number
of Cores Elapsed
Time (sec) Speedup Efficiency
(%) 1 3493.63 1.0000 100.00 2 1730.18 2.0192 100.96 3 1151.58 3.0338 101.13 4 865.85 4.0349 100.87 5 691.38 5.0531 101.06 6 580.70 6.0162 100.27 7 497.99 7.0155 100.22 8 434.81 8.0348 100.43 9 387.62 9.0130 100.14 10 350.72 9.9613 99.61 11 323.08 10.8135 98.30 12 295.59 11.8192 98.46 13 271.01 12.8912 99.16 14 254.64 13.7199 98.00 15 238.63 14.6404 97.60 16 225.39 15.5004 96.88 17 214.50 16.2873 95.81 18 201.57 17.3321 96.29 19 192.85 18.1158 95.35 20 183.69 19.0192 95.10 21 175.14 19.9476 94.99 22 169.01 20.6711 93.96 23 161.34 21.6538 94.15 24 156.10 22.3807 93.25 25 148.01 23.6040 94.42 PieSanto Calzado Mujer Pielmarino Confort de Cómodo Piel B06WGT9VZ5 9805 Botín Casual Cómodo Ancho Pielmarino 12f8b4e 26 144.46 24.1841 93.02 27 138.31 25.2594 93.55 28 135.66 25.7528 91.97 29 129.12 27.0572 93.30 30 127.03 27.5024 91.67 31 123.46 28.2977 91.28 32 119.61 29.2085 91.28 33 116.50 29.9882 90.87 34 114.44 30.5280 89.79 35 110.90 31.5025 90.01 36 108.17 32.2976 89.72 37 105.57 33.0930 89.44 38 103.37 33.7973 88.94 39 102.02 34.2446 87.81 40 100.34 34.8179 87.04 41 96.71 36.1248 88.11 42 96.21 36.3125 86.46 43 94.50 36.9696 85.98 44 92.76 37.6631 85.60 45 92.32 37.8426 84.09 46 90.62 38.5525 83.81 47 90.62 38.5525 82.03 48 88.58 39.4404 82.17

SPEEDUP AND PARALLEL EFFICIENCY ON INTEL XEON

        Next, let us see performance on Inten Xeon. The computer has 32 physical cores. Speedup and parallel efficiency are listed in the table below. It also shows a performance of high efficiency, consistent to results on AMD Opteron.

        On 28 cores, the computation was speeded up to 27x, 97% parallel performance, which is almost perfect; 32 cores improved the computing up to 28x, and yielded a parallel efficiency 87%. The performance was consistent to the one on AMD Opteron.

        The detailed timing results are appended in this post for reference.

Number
of Cores Elapsed
Time (sec) Speedup Efficiency
(%) 1 5678.17 1.0000 100.00 2 2839.25 1.9999 99.99 3 1896.50 2.9940 99.80 4 1420.37 3.9977 99.94 5 1136.58 4.9958 99.92 6 955.10 5.9451 99.09 7 820.92 3.9168 98.81 8 745.72 7.6143 95.18 9 63.60 8.8225 98.03 10 574.71 9.8801 98.80 11 548.58 10.3507 94.10 12 489.73 11.5945 96.62 13 457.27 12.4175 95.52 14 418.39 13.5715 96.94 15 406.26 13.9767 93.18 16 383.34 14.8124 92.58 17 357.17 15.8977 93.52 18 323.36 17.5599 97.56 19 325.95 17.4204 91.69 20 291.63 19.4705 97.35 21 277.24 20.4811 97.53 22 263.85 21.5204 97.82 23 255.29 22.2420 96.70 24 256.92 22.1009 92.09 25 240.10 23.6492 94.60 26 250.77 22.6429 87.09 27 243.02 23.3650 86.54 28 208.07 27.2897 97.46 29 224.42 25.3015 87.25 30 219.13 25.9123 86.37 31 213.16 26.6381 85.93 32 204.39 27.7811 86.82

TIMING RESULTS ON AMD OPTERON

        The following has detailed timing results implemented on AMD Opteron.

  number of cores: 1
      Elapsed Time (Seconds): 3493.63
      CPU Time in User Mode (Seconds): 3491.97
      CPU Time in Kernel Mode (Seconds): 1.31
      Total CPU Time (Seconds): 3493.28

  number of cores: 2
      Elapsed Time (Seconds): 1730.18
      CPU Time in User Mode (Seconds): 3452.29
      CPU Time in Kernel Mode (Seconds): 0.16
      Total CPU Time (Seconds): 3452.44

  number of cores: 3
      Elapsed Time (Seconds): 1151.58
      CPU Time in User Mode (Seconds): 3452.69
      CPU Time in Kernel Mode (Seconds): 0.36
      Total CPU Time (Seconds): 3453.05

  number of cores: 4
      Elapsed Time (Seconds): 865.85
      CPU Time in User Mode (Seconds): 3453.10
      CPU Time in Kernel Mode (Seconds): 0.41
      Total CPU Time (Seconds): 3453.50

  number of cores: 5
      Elapsed Time (Seconds): 691.38
      CPU Time in User Mode (Seconds): 3454.36
      CPU Time in Kernel Mode (Seconds): 0.44
      Total CPU Time (Seconds): 3454.80

  number of cores: 6
      Elapsed Time (Seconds): 580.70
      CPU Time in User Mode (Seconds): 3456.53
      CPU Time in Kernel Mode (Seconds): 0.44
      Total CPU Time (Seconds): 3456.97
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  number of cores: 7
      Elapsed Time (Seconds): 497.99
      CPU Time in User Mode (Seconds): 3460.30
      CPU Time in Kernel Mode (Seconds): 0.31
      Total CPU Time (Seconds): 3460.62

  number of cores: 8
      Elapsed Time (Seconds): 434.81
      CPU Time in User Mode (Seconds): 3463.38
      CPU Time in Kernel Mode (Seconds): 0.70
      Total CPU Time (Seconds): 3464.08

  number of cores: 9
      Elapsed Time (Seconds): 387.62
      CPU Time in User Mode (Seconds): 3468.37
      CPU Time in Kernel Mode (Seconds): 0.30
      Total CPU Time (Seconds): 3468.67

  number of cores: 10
      Elapsed Time (Seconds): 350.72
      CPU Time in User Mode (Seconds): 3472.94
      CPU Time in Kernel Mode (Seconds): 0.53
      Total CPU Time (Seconds): 3473.47

  number of cores: 11
      Elapsed Time (Seconds): 323.08
      CPU Time in User Mode (Seconds): 3479.23
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      CPU Time in Kernel Mode (Seconds): 0.45
      Total CPU Time (Seconds): 3479.68

  number of cores: 12
      Elapsed Time (Seconds): 295.59
      CPU Time in User Mode (Seconds): 3488.31
      CPU Time in Kernel Mode (Seconds): 0.50
      Total CPU Time (Seconds): 3488.81

  number of cores: 13
      Elapsed Time (Seconds): 271.01
      CPU Time in User Mode (Seconds): 3483.75
      CPU Time in Kernel Mode (Seconds): 0.51
      Total CPU Time (Seconds): 3484.27

  number of cores: 14
      Elapsed Time (Seconds): 254.64
      CPU Time in User Mode (Seconds): 3505.55
      CPU Time in Kernel Mode (Seconds): 0.39
      Total CPU Time (Seconds): 3505.94

  number of cores: 15
      Elapsed Time (Seconds): 238.63
      CPU Time in User Mode (Seconds): 3529.73
      CPU Time in Kernel Mode (Seconds): 0.62
      Total CPU Time (Seconds): 3530.35

  number of cores: 16
      Elapsed Time (Seconds): 225.39
      CPU Time in User Mode (Seconds): 3536.64
      CPU Time in Kernel Mode (Seconds): 0.78
      Total CPU Time (Seconds): 3537.42

  number of cores: 17
      Elapsed Time (Seconds): 214.50
      CPU Time in User Mode (Seconds): 3565.95
      mysChuck Taylor - Zapatillas altas Unisex, para niños - , DrunknMunky Boston Rockstar, Zapatillas Altas para Niñas Negro (Black K66) , Adidas I-5923, Zapatillas de Deporte para Hombre - Adidas Derrick Rose 6 Boost Prim eknit Zapatillas de Baloncesto para Hombre, Color, Talla 14.5 UK - 50.2/3 EU TOTO - Botas de Piel para hombre - DuraFon PRO PIB Kit w/ 20M Cab - , Nike Zapatillas Running Air Max Go Strong Essential Laser Crimson/Midnight Navy/Wolf Grey/White , Salomon X Ultra Prime, Zapatillas de Deporte Exterior para Hombre Gris (Castor Gray/Beluga/Fern) , Skechers Go Walk 3 Charge - Zapatillas Hombre marrón y negro New Balance Hombre MW813 Walking zapatos Negro , Red Wing Hombre 08881 Marrón Cuero Botines , Shimano SHRW5OC470SL00, Zapatillas de Ciclismo de Carretera para Hombre, Negro (Black), 47 EU Lowa Innox Evo GTX QC Junior Zapatillas de senderismo niños navy/orange - , Bomba ángel II suave Estilo - , ZCJB Zapatos De Punta Abierta Verano Palabra Banda Lentejuelas Pure Color Moda Cómodas Sandalias Para Mujeres... - , Skechers Gowalk Move Solstice - Sandalias atléticas de Lona Mujer Rojo - Red (Rdw) Keen Uneek O2, Sandalias Deportivas para Mujer Rosa (Anemone/Bright Rose 0) , Gabor 93.735 - Botas de Cuero para Mujer - XUE Zapatos de Mujer Sandalias Elásticas de Confort Zapatos para Caminar Tacón de Aguja Puntiagudo Talón Boda/Fiesta y Noche/Vestido Trabajo Formal de Negocios Boda (Color : Do, Tamaño : 40) Do Högl 4-10 4112 2200, Botas para Mujer Marrón (Toffee) , Ara St. Anton-Stf-Gore-Tex, Botas de Nieve para Mujer Azul (Ozean,blau 67) GLJXG Sandalias de Tacón Medio para Mujer \ Sandalias Huecas en Punta \ Sandalias de Moda Primavera Verano Amarillo Diadora Heritage - Sneakers Equipe Stone Wash 12 para Hombre y Mujer 25130 - Caramelo Beige Reef Rover Low TX, Zapatillas para Mujer gris/jaspeado GONGFF Zapatos Planos Femeninos Con Hebilla De Fondo Plano, Zapatos De Gran Tamaño,#2,41 #2 , Clarks Dalia Rose, Zapatos de Tacón para Mujer Negro (Black Leather) , Birkenstock Mayari Birko-Flor, Sandalias de Dedo Mujer plata , MUYII Zapatos Planos De Tacón Bajo De Mujer Zapatos Planos De Color Sólido Holgazán Profundo,WineRed-37 WineRed , Zapatos de Cuero de Verano de Las Mujeres Brogues Zapatos de Gran Tamaño Británicos con Cordones Zapatos de Corte Zapatos de Trabajo Yellowred , Waldläufer 471000 400 230 - Zapatillas de nordic walking de Piel para mujer oliva CPU Time in Kernel Mode (Seconds): 0.73
      Total CPU Time (Seconds): 3566.68

  number of cores: 18
      Elapsed Time (Seconds): 201.57
      CPU Time in User Mode (Seconds): 3550.77
      CPU Time in Kernel Mode (Seconds): 0.44
      Total CPU Time (Seconds): 3551.21

  number of cores: 19
      Elapsed Time (Seconds): 192.85
      CPU Time in User Mode (Seconds): 3573.61
      CPU Time in Kernel Mode (Seconds): 0.81
      Total CPU Time (Seconds): 3574.42

  number of cores: 20
      Elapsed Time (Seconds): 183.69
      CPU Time in User Mode (Seconds): 3577.45
      CPU Time in Kernel Mode (Seconds): 0.64
      Total CPU Time (Seconds): 3578.09

  number of cores: 21
      Elapsed Time (Seconds): 175.14
      CPU Time in User Mode (Seconds): 3585.39
      CPU Time in Kernel Mode (Seconds): 0.78
      Total CPU Time (Seconds): 3586.17

  number of cores: 22
      Elapsed Time (Seconds): 169.01
      CPU Time in User Mode (Seconds): 3603.50
      CPU Time in Kernel Mode (Seconds): 1.01
      Total CPU Time (Seconds): 3604.51

  number of cores: 23
      Elapsed Time (Seconds): 161.34
      CPU Time in User Mode (Seconds): 3605.79
      CPU Time in Kernel Mode (Seconds): 0.86
      Total CPU Time (Seconds): 3606.65

  number of cores: 24
      Elapsed Time (Seconds): 156.10
      CPU Time in User Mode (Seconds): 3608.88
      CPU Time in Kernel Mode (Seconds): 0.86
      Total CPU Time (Seconds): 3609.74

  number of cores: 25
      Elapsed Time (Seconds): 148.01
      CPU Time in User Mode (Seconds): 3621.45
      CPU Time in Kernel Mode (Seconds): 0.86
      Total CPU Time (Seconds): 3622.31

  number of cores: 26
      Elapsed Time (Seconds): 144.46
      CPU Time in User Mode (Seconds): 3626.06
      CPU Time in Kernel Mode (Seconds): 0.81
      Total CPU Time (Seconds): 3626.87

  number of cores: 27
      Elapsed Time (Seconds): 138.31
      CPU Time in User Mode (Seconds): 3626.41
      CPU Time in Kernel Mode (Seconds): 0.97
      Total CPU Time (Seconds): 3627.38

  number of cores: 28
      Elapsed Time (Seconds): 135.66
      CPU Time in User Mode (Seconds): 3641.73
      CPU Time in Kernel Mode (Seconds): 1.08
      Total CPU Time (Seconds): 3642.81

  number of cores: 29
      Elapsed Time (Seconds): 129.12
      CPU Time in User Mode (Seconds): 3646.65
      CPU Time in Kernel Mode (Seconds): 0.83
      Total CPU Time (Seconds): 3647.48

  number of cores: 30
      Elapsed Time (Seconds): 127.03
      CPU Time in User Mode (Seconds): 3655.20
      CPU Time in Kernel Mode (Seconds): 0.89
      Total CPU Time (Seconds): 3656.09

  number of cores: 31
      Elapsed Time (Seconds): 123.46
      CPU Time in User Mode (Seconds): 3669.52
      CPU Time in Kernel Mode (Seconds): 1.03
      Total CPU Time (Seconds): 3670.55

  number of cores: 32
      Elapsed Time (Seconds): 119.61
      CPU Time in User Mode (Seconds): 3673.14
      CPU Time in Kernel Mode (Seconds): 1.03
      Total CPU Time (Seconds): 3674.17

  number of cores: 33
      Elapsed Time (Seconds): 116.50
      CPU Time in User Mode (Seconds): 3688.46
      CPU Time in Kernel Mode (Seconds): 0.98
      Total CPU Time (Seconds): 3689.44

  number of cores: 34
      Elapsed Time (Seconds): 114.44
      CPU Time in User Mode (Seconds): 3695.40
      CPU Time in Kernel Mode (Seconds): 0.76
      Total CPU Time (Seconds): 3696.16

  number of cores: 35
      Elapsed Time (Seconds): 110.90
      CPU Time in User Mode (Seconds): 3707.72
      CPU Time in Kernel Mode (Seconds): 0.80
      Total CPU Time (Seconds): 3708.52

  number of cores: 36
   

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  Elapsed Time (Seconds): 108.17
      CPU Time in User Mode (Seconds): 3725.34
      CPU Time in Kernel Mode (Seconds): 0.90
      Total CPU Time (Seconds): 3726.24

  number of cores: 37
      Elapsed Time (Seconds): 105.57
      CPU Time in User Mode (Seconds): 3745.55
      CPU Time in Kernel Mode (Seconds): 1.00
      Total CPU Time (Seconds): 3746.55

  number of cores: 38
      Elapsed Time (Seconds): 103.37
      CPU Time in User Mode (Seconds): 3757.44
      CPU Time in Kernel Mode (Seconds): 1.05
      Total CPU Time (Seconds): 3758.49

  number of cores: 39
      Elapsed Time (Seconds): 102.02
      CPU Time in User Mode (Seconds): 3773.71
      CPU Time in Kernel Mode (Seconds): 1.33
      Total CPU Time (Seconds): 3775.04

  number of cores: 40
      Elapsed Time (Seconds): 100.34
      CPU Time in User Mode (Seconds): 3801.43
      CPU Time in Kernel Mode (Seconds): 0.98
      Total CPU Time (Seconds): 3802.42

  number of cores: 41
      Elapsed Time (Seconds): 96.71
      CPU Time in User Mode (Seconds): 3818.86
      CPU Time in Kernel Mode (Seconds): 0.92
      Total CPU Time (Seconds): 3819.78

  number of cores: 42
      Elapsed Time (Seconds): 96.21
      CPU Time in User Mode (Seconds): 3843.96
      CPU Time in Kernel Mode (Seconds): 1.15
      Total CPU Time (Seconds): 3845.11

  number of cores: 43
      Elapsed Time (Seconds): 94.50
      CPU Time in User Mode (Seconds): 3854.24
      CPU Time in Kernel Mode (Seconds): 1.22
      Total CPU Time (Seconds): 3855.46

  number of cores: 44
      Elapsed Time (Seconds): 92.76
      CPU Time in User Mode (Seconds): 3879.04
      CPU Time in Kernel Mode (Seconds): 1.29
      Total CPU Time (Seconds): 3880.34

  number of cores: 45
      Elapsed Time (Seconds): 92.32
      CPU Time in User Mode (Seconds): 3910.18
      CPU Time in Kernel Mode (Seconds): 1.26
      Total CPU Time (Seconds): 3911.44

  number of cores: 46
      Elapsed Time (Seconds): 90.62
      CPU Time in User Mode (Seconds): 3942.27
      CPU Time in Kernel Mode (Seconds): 1.31
      Total CPU Time (Seconds): 3943.58

  number of cores: 47
      Elapsed Time (Seconds): 90.62
      CPU Time in User Mode (Seconds): 3984.56
      CPU Time in Kernel Mode (Seconds): 1.11
      Total CPU Time (Seconds): 3985.67

  number of cores: 48
      Elapsed Time (Seconds): 88.58
      CPU Time in User Mode (Seconds): 4025.09
      CPU Time in Kernel Mode (Seconds): 1.12
      Total CPU Time (Seconds): 4026.21

TIMING RESULTS ON INTEL XEON

        The following has detailed timing results implemented on Intel Xeon.

  number of cores: 1
      Elapsed Time (Seconds): 5678.17
      CPU Time in User Mode (Seconds): 5677.11
      CPU Time in Kernel Mode (Seconds): 0.72
      Total CPU Time (Seconds): 5677.83

  number of cores: 2
      Elapsed Time (Seconds): 2839.25
      CPU Time in User Mode (Seconds): 5677.53
      CPU Time in Kernel Mode (Seconds): 0.30
      Total CPU Time (Seconds): 5677.83

  number of cores: 3
      Elapsed Time (Seconds): 1896.50
      CPU Time in User Mode (Seconds): 5678.12
      CPU Time in Kernel Mode (Seconds): 0.27
      Total CPU Time (Seconds): 5678.39

  number of cores: 4
      Elapsed Time (Seconds): 1420.37
      PieSanto Calzado Mujer Pielmarino Confort de Cómodo Piel B06WGT9VZ5 9805 Botín Casual Cómodo Ancho Pielmarino 12f8b4e CPU Time in User Mode (Seconds): 5679.28
      CPU Time in Kernel Mode (Seconds): 0.41
      Total CPU Time (Seconds): 5679.68

  number of cores: 5
      Elapsed Time (Seconds): 1136.58
      CPU Time in User Mode (Seconds): 5680.54
      CPU Time in Kernel Mode (Seconds): 0.41
      Total CPU Time (Seconds): 5680.95

  number of cores: 6
      Elapsed Time (Seconds): 955.10
      CPU Time in User Mode (Seconds): 5682.24
      CPU Time in Kernel Mode (Seconds): 0.59
      Total CPU Time (Seconds): 5682.84

  number of cores: 7
      Elapsed Time (Seconds): 820.92
      CPU Time in User Mode (Seconds): 5694.96
      CPU Time in Kernel Mode (Seconds): 0.64
      Total CPU Time (Seconds): 5695.60

  number of cores: 8
      Elapsed Time (Seconds): 745.72
      CPU Time in User Mode (Seconds): 5911.72
      CPU Time in Kernel Mode (Seconds): 0.95
      Total CPU Time (Seconds): 5912.67

  number of cores: 9
      Elapsed Time (Seconds): 643.60
      CPU Time in User Mode (Seconds): 5737.51
      CPU Time in Kernel Mode (Seconds): 0.56
      Total CPU Time (Seconds): 5738.08

  number of cores: 10
      Elapsed Time (Seconds): 574.71
      CPU Time in User Mode (Seconds): 5726.95
      CPU Time in Kernel Mode (Seconds): 0.59
      Total CPU Time (Seconds): 5727.55

  number of cores: 11
      Elapsed Time (Seconds): 548.58
      CPU Time in User Mode (Seconds): 5964.87
      CPU Time in Kernel Mode (Seconds): 0.55
      Total CPU Time (Seconds): 5965.42

  number of cores: 12
      Elapsed Time (Seconds): 489.73
      CPU Time in User Mode (Seconds): 5822.60
      CPU Time in Kernel Mode (Seconds): 0.45
      Total CPU Time (Seconds): 5823.05

  number of cores: 13
      Elapsed Time (Seconds): 457.27
      CPU Time in User Mode (Seconds): 5874.45
      CPU Time in Kernel Mode (Seconds): 0.62
      Total CPU Time (Seconds): 5875.08

  number of cores: 14
      Elapsed Time (Seconds): 418.39
      CPU Time in User Mode (Seconds): 5794.88
      CPU Time in Kernel Mode (Seconds): 0.58
      Total CPU Time (Seconds): 5795.45

  number of cores: 15
      Elapsed Time (Seconds): 406.26
      CPU Time in User Mode (Seconds): 5994.48
      CPU Time in Kernel Mode (Seconds): 0.51
      Total CPU Time (Seconds): 5994.99

  number of cores: 16
      Elapsed Time (Seconds): 383.34
      CPU Time in User Mode (Seconds): 6040.25
      CPU Time in Kernel Mode (Seconds): 0.45
      Total CPU Time (Seconds): 6040.70

  number of cores: 17
      Elapsed Time (Seconds): 357.17
      CPU Time in User Mode (Seconds): 5978.49
      CPU Time in Kernel Mode (Seconds): 0.51
      Total CPU Time (Seconds): 5979.00

  number of cores: 18
      Elapsed Time (Seconds): 323.36
      CPU Time in User Mode (Seconds): 5758.32
      CPU Time in Kernel Mode (Seconds): 0.53
      Zapatos de tacón Total CPU Time (Seconds): 5758.85

  number of cores: 19
      Elapsed Time (Seconds): 325.95
      CPU Time in User Mode (Seconds): 6084.05
      CPU Time in Kernel Mode (Seconds): 0.53
      Total CPU Time (Seconds): 6084.58

  number of cores: 20
      Elapsed Time (Seconds): 291.63
      CPU Time in User Mode (Seconds): 5802.43
      CPU Time in Kernel Mode (Seconds): 0.73
      Total CPU Time (Seconds): 5803.16

  number of cores: 21
      Elapsed Time (Seconds): 277.24
      CPU Time in User Mode (Seconds): 5759.42
      CPU Time in Kernel Mode (Seconds): 0.76
      Total CPU Time (Seconds): 5760.18

  number of cores: 22
      Elapsed Time (Seconds): 263.85
      CPU Time in User Mode (Seconds): 5726.13
      CPU Time in Kernel Mode (Seconds): 0.55
      Total CPU Time (Seconds): 5726.67

  number of cores: 23
      Elapsed Time (Seconds): 255.29
      CPU Time in User Mode (Seconds): 5791.99
      CPU Time in Kernel Mode (Seconds): 0.67
      Total CPU Time (Seconds): 5792.66

  number of cores: 24
      Elapsed Time (Seconds): 256.92
      CPU Time in User Mode (Seconds): 6060.16
      CPU Time in Kernel Mode (Seconds): 0.70
      Total CPU Time (Seconds): 6060.86

  number of cores: 25
      Elapsed Time (Seconds): 240.10
      CPU Time in User Mode (Seconds): 5938.63
      CPU Time in Kernel Mode (Seconds): 0.66
      Total CPU Time (Seconds): 5939.29

  number of cores: 26
      Elapsed Time (Seconds): 250.77
      CPU Time in User Mode (Seconds): 6365.71
      CPU Time in Kernel Mode (Seconds): 0.81
      Total CPU Time (Seconds): 6366.53

  number of cores: 27
      Elapsed Time (Seconds): 243.02
      CPU Time in User Mode (Seconds): 6399.21
      CPU Time in Kernel Mode (Seconds): 0.90
      Total CPU Time (Seconds): 6400.11

  number of cores: 28
      Elapsed Time (Seconds): 208.07
      CPU Time in User Mode (Seconds): 5764.52
      CPU Time in Kernel Mode (Seconds): 0.78
      Total CPU Time (Seconds): 5765.30

  number of cores: 29
      Elapsed Time (Seconds): 224.42
      CPU Time in User Mode (Seconds): 6353.00
      CPU Time in Kernel Mode (Seconds): 0.61
      Total CPU Time (Seconds): 6353.61

  number of cores: 30
      Elapsed Time (Seconds): 219.13
      CPU Time in User Mode (Seconds): 6402.33
      1132099
2065347
6011097
6114452
6380872
7553832
8751791
8799003
12222766
CPU Time in Kernel Mode (Seconds): 0.59
      Total CPU Time (Seconds): 6402.92

  number of cores: 31
      Elapsed Time (Seconds): 213.16
      CPU Time in User Mode (Seconds): 6407.62
      CPU Time in Kernel Mode (Seconds): 0.67
      Total CPU Time (Seconds): 6408.29

  number of cores: 32
      Elapsed Time (Seconds): 204.39
      CPU Time in User Mode (Seconds): 6345.79
      CPU Time in Kernel Mode (Seconds): 0.69
      Total CPU Time (Seconds): 6346.48