Komodo 10.4 with and without Contempt Factor under Windows & Linux
Windows: Windows 10 Professional 64-Bit, Dual AMD Opteron 6376 @ 2.3 GHz
Linux: Ubuntu Server 16.04 LTS (HVM) 64-Bit, Amazon EC2 Instance, m4.16xlarge, Intel Xeon E5-2686v4 @ 2.3 GHz
Komodo 10.4: default settings, except Contempt, 128 MB Hash
Cutechess-Cli: no draw and resign rules, no ponder, no learning, no tablebases, 1500 different opening positions, changing colors
TC = time control, T = number of threads, Depth = Average search depth, Elostat Start Elo = 3000
Here the results, also as PDF-File:
http://www.fastgm.de/schach/SMP-scaling-K10.4-C0.pdf
Code: Select all
Windows – 1 thread vs 2 threads
TC = 60" + 0.05" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T2 : 3032 7 7 3000 59.2 % 66.3 % 18.84 1 Komodo 10.4 T2 : 3044 8 8 3000 62.3 % 59.1 % 18.48
2 Komodo 10.4 T1 : 2968 7 7 3000 40.8 % 66.3 % 17.78 2 Komodo 10.4 T1 : 2956 8 8 3000 37.7 % 59.1 % 17.44
Result : 1777.0/3000 (+782,=1990,-228) Result : 1868.5/3000 (+982,=1773,-245)
Perf. : 59.2 % Perf. : 62.3 %
Elo : 3065 Elo : 3087 +22 Elo
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Linux – 1 thread vs 2 threads
TC = 10" + 0.1" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T2 : 3036 8 8 3000 60.3 % 62.0 % 17.28 1 Komodo 10.4 T2 : 3044 8 8 3000 62.3 % 55.2 % 17.02
2 Komodo 10.4 T1 : 2964 8 8 3000 39.7 % 62.0 % 16.32 2 Komodo 10.4 T1 : 2956 8 8 3000 37.7 % 55.2 % 16.06
Result : 1808.5/3000 (+879,=1859,-262) Result : 1868.5/3000 (+1040,=1657,-303)
Perf. : 60.3 % Perf. : 62.3 %
Elo : 3072 Elo : 3087 +15 Elo
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Windows – 1 thread vs 4 threads
TC = 60" + 0.05" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T4 : 3062 8 7 3000 67.2 % 59.8 % 20.47 1 Komodo 10.4 T4 : 3076 8 8 3000 70.6 % 51.5 % 20.04
2 Komodo 10.4 T1 : 2938 7 8 3000 32.8 % 59.8 % 17.92 2 Komodo 10.4 T1 : 2924 8 8 3000 29.4 % 51.5 % 17.71
Result : 2017.5/3000 (+1120,=1795,-85) Result : 2118.0/3000 (+1345,=1546,-109)
Perf. : 67.2 % Perf. : 70.6 %
Elo : 3125 Elo : 3152 +27 Elo
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Linux – 1 thread vs 4 threads
TC = 10" + 0.1" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T4 : 3069 8 8 3000 68.9 % 54.7 % 18.89 1 Komodo 10.4 T4 : 3084 9 9 3000 72.4 % 47.4 % 18.51
2 Komodo 10.4 T1 : 2931 8 8 3000 31.1 % 54.7 % 16.61 2 Komodo 10.4 T1 : 2916 9 9 3000 27.6 % 47.4 % 16.29
Result : 2067.0/3000 (+1246,=1642,-112) Result : 2170.5/3000 (+1459,=1423,-118)
Perf. : 68.9 % Perf. : 72.4 %
Elo : 3138 Elo : 3167 +29 Elo
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Windows – 1 thread vs 8 threads
TC = 60" + 0.05" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T8 : 3091 9 8 3000 74.0 % 49.6 % 21.44 1 Komodo 10.4 T8 : 3104 9 9 3000 76.8 % 42.7 % 21.19
2 Komodo 10.4 T1 : 2909 8 9 3000 26.0 % 49.6 % 17.88 2 Komodo 10.4 T1 : 2896 9 9 3000 23.2 % 42.7 % 17.82
Result : 2219.0/3000 (+1475,=1488,-37) Result : 2305.5/3000 (+1665,=1281,-54)
Perf. : 74.0 % Perf. : 76.8 %
Elo : 3181 Elo : 3208 +27 Elo
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Linux – 1 thread vs 8 threads
TC = 10" + 0.1" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T8 : 3100 9 9 3000 76.0 % 45.8 % 19.85 1 Komodo 10.4 T8 : 3121 10 10 3000 80.1 % 35.8 % 19.47
2 Komodo 10.4 T1 : 2900 9 9 3000 24.0 % 45.8 % 16.57 2 Komodo 10.4 T1 : 2879 10 10 3000 19.9 % 35.8 % 16.25
Result : 2279.5/3000 (+1593,=1373,-34) Result : 2404.0/3000 (+1867,=1074,-59)
Perf. : 76.0 % Perf. : 80.1 %
Elo : 3200 Elo : 3242 +42 Elo
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Windows – 1 thread vs 16 threads
TC = 60" + 0.05" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T16 : 3113 9 9 3000 78.5 % 41.6 % 21.94 1 Komodo 10.4 T16 : 3140 11 11 3000 83.3 % 32.0 % 21.31
2 Komodo 10.4 T1 : 2887 9 9 3000 21.5 % 41.6 % 17.80 2 Komodo 10.4 T1 : 2860 11 11 3000 16.7 % 32.0 % 17.38
Result : 2355.5/3000 (+1732,=1247,-21) Result : 2499.5/3000 (+2020,=959,-21)
Perf. : 78.5 % Perf. : 83.3 %
Elo : 3225 Elo : 3279 +54 Elo
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Linux – 1 thread vs 16 threads
TC = 10" + 0.1" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T16 : 3125 10 10 3000 80.8 % 37.3 % 20.90 1 Komodo 10.4 T16 : 3157 12 12 3000 86.0 % 26.8 % 20.43
2 Komodo 10.4 T1 : 2875 10 10 3000 19.1 % 37.3 % 16.60 2 Komodo 10.4 T1 : 2843 12 12 3000 14.0 % 26.8 % 16.14
Result : 2425.5/3000 (+1866,=1119,-15) Result : 2578.5/3000 (+2176,=805,-19)
Perf. : 80.8 % Perf. : 86.0 %
Elo : 3250 Elo : 3315 +65 Elo
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Windows – 2 threads vs 4 threads
TC = 60" + 0.05" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T4 : 3037 7 7 3000 60.6 % 66.7 % 20.22 1 Komodo 10.4 T4 : 3043 8 8 3000 62.2 % 60.7 % 19.82
2 Komodo 10.4 T2 : 2963 7 7 3000 39.4 % 66.7 % 18.60 2 Komodo 10.4 T2 : 2957 8 8 3000 37.8 % 60.7 % 18.23
Result : 1818.0/3000 (+817,=2002,-181) Result : 1867.0/3000 (+956,=1822,-222)
Perf. : 60.6 % Perf. : 62.2 %
Elo : 3075 Elo : 3087 +13 Elo
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Linux – 2 threads vs 4 threads
TC = 10" + 0.1" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T4 : 3033 7 7 3000 59.5 % 64.6 % 18.65 1 Komodo 10.4 T4 : 3036 8 8 3000 60.1 % 57.3 % 18.24
2 Komodo 10.4 T2 : 2967 7 7 3000 40.5 % 64.6 % 17.43 2 Komodo 10.4 T2 : 2964 8 8 3000 39.9 % 57.3 % 17.08
Result : 1784.5/3000 (+816,=1937,-247) Result : 1803.0/3000 (+944,=1718,-338)
Perf. : 59.5 % Perf. : 60.1 %
Elo : 3067 Elo : 3071 +4 Elo
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Windows – 4 threads vs 8 threads
TC = 60" + 0.05" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T8 : 3031 7 6 3000 58.8 % 71.4 % 21.23 1 Komodo 10.4 T8 : 3037 7 7 3000 60.4 % 64.4 % 20.70
2 Komodo 10.4 T4 : 2969 6 7 3000 41.2 % 71.4 % 20.09 2 Komodo 10.4 T4 : 2963 7 7 3000 39.6 % 64.4 % 19.59
Result : 1764.0/3000 (+693,=2142,-165) Result : 1812.5/3000 (+847,=1931,-222)
Perf. : 58.8 % Perf. : 60.4 %
Elo : 3062 Elo : 3073 +11 Elo
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Linux – 4 threads vs 8 threads
TC = 10" + 0.1" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T8 : 3025 9 9 1536 57.3 % 70.4 % 19.82 1 Komodo 10.4 T8 : 3029 10 10 1510 58.3 % 64.0 % 19.49
2 Komodo 10.4 T4 : 2975 9 9 1536 42.7 % 70.4 % 19.06 2 Komodo 10.4 T4 : 2971 10 10 1510 41.7 % 64.0 % 18.78
Result : 879.5/1536 (+339,=1081,-116) Result : 881.0/1510 (+398,=966,-146)
Perf. : 57.3 % Perf. : 58.3 %
Elo : 3051 Elo : 3059 +8 Elo
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Linux – 8 threads vs 16 threads
TC = 10" + 0.1" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T16 : 3020 9 9 1550 55.8 % 74.6 % 21.08 1 Komodo 10.4 T16 : 3022 10 10 1512 56.3 % 65.3 % 20.56
2 Komodo 10.4 T8 : 2980 9 9 1550 44.2 % 74.6 % 20.48 2 Komodo 10.4 T8 : 2978 10 10 1512 43.7 % 65.3 % 19.88
Result : 865.0/1550 (+287,=1156,-107) Result : 851.5/1512 (+358,=987,-167)
Perf. : 55.8 % Perf. : 56.3 %
Elo : 3041 Elo : 3044 +3 Elo
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Linux – 16 threads vs 32 threads
TC = 10" + 0.1" – Contempt = 0 default Contempt = 10
Program Elo + - Games Score Draws Depth Program Elo + - Games Score Draws Depth
------------------------------------------------------------------- -------------------------------------------------------------------
1 Komodo 10.4 T16 : 3002 10 10 1132 50.4 % 77.9 % 21.78 1 Komodo 10.4 T32 : 3004 11 11 1156 51.1 % 70.2 % 20.86
2 Komodo 10.4 T32 : 2998 10 10 1132 49.6 % 77.9 % 20.64 2 Komodo 10.4 T16 : 2996 11 11 1156 48.9 % 70.2 % 21.37
Result : 561.0/1132 (+120,=882,-130) Result : 591.0/1156 (+185,=812,-159)
Perf. : 49.6 % Perf. : 51.1 %
Elo : 2997 Elo : 3008 -11 Elo