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Subject: Re: perft position

Author: Henk Bossinade

Date: 11:49:48 10/02/04

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On October 01, 2004 at 15:04:44, Reinhard Scharnagl wrote:

>On October 01, 2004 at 13:43:17, Uri Blass wrote:
>
>>[D]5b1k/4p1p1/4P1P1/8/8/1p2p1p1/1P2P1P1/K4B2 w - - 0 1
>>
>>How much time does your program need to get perft 50 and perft 70
>>
>>latest Movei after fixing perft to be able to calculate more than 20 plies
>>gives
>>perft 50=531,441
>>perft 70=129,140,163
>
>
>Hi Uri,
>
>here my Smirf values come (of course doing a lot analysis overhead):
>
>
>FEN: 5b1k/4p1p1/4P1P1/8/8/1p2p1p1/1P2P1P1/K4B2 w - - 0 1
>
>  +-a--b--c--d--e--f--g--h-+ MS Visual Studio C++ Version 13.1
>8 |   :::   :::   [b]   [k]|
>7 |:::   :::   [p]   [p]   | Perft Testseries
>6 |   :::   :::<P>:::<P>:::|
>5 |:::   :::   :::   :::   | (With TT Caching 256 MB / 5-fold)
>4 |   :::   :::   :::   :::|
>3 |:::[p]:::   [p]   [p]   | Test #:      00
>2 |   <P>   :::<P>:::<P>:::|
>1 |<K>   :::   :::<B>:::   | Break Time 1.0 Sec.
>=>+-a--b--c--d--e--f--g--h-+
>
>Ply          Nodes         all (x)         all (+)   Seconds
>------------------------------------------------------------
>01               1               0               0         0
>02               1               0               0         0
>03               2               0               0         0
>04               2               0               0         0
>05               3               0               0         0
>06               3               0               0         0
>07               6               0               0         0
>08               6               0               0         0
>09               9               0               0         0
>10               9               0               0         0
>11              18               0               0         0
>12              18               0               0         0
>13              27               0               0         0
>14              27               0               0         0
>15              54               0               0         0
>16              54               0               0         0
>17              81               0               0         0
>18              81               0               0         0
>19             162               0               0         0
>20             162               0               0         0
>21             243               0               0         0
>22             243               0               0         0
>23             486               0               0         0
>24             486               0               0         0
>25             729               0               0         0
>26             729               0               0         0
>27            1458               0               0         0
>28            1458               0               0         0
>29            2187               0               0         0
>30            2187               0               0         0
>31            4374               0               0         0
>32            4374               0               0         0
>33            6561               0               0         0
>34            6561               0               0         0
>35           13122               0               0         0
>36           13122               0               0         0
>37           19683               0               0         0
>38           19683               0               0         0
>39           39366               0               0         0
>40           39366               0               0         0
>41           59049               0               0         0
>42           59049               0               0         0
>43          118098               0               0         0
>44          118098               0               0         0
>45          177147               0               0         0
>46          177147               0               0         0
>47          354294               0               0         0
>48          354294               0               0         0
>49          531441               0               0         0
>50          531441               0               0         0
>51         1062882               0               0         0
>52         1062882               0               0         0
>53         1594323               0               0         0
>54         1594323               0               0         0
>55         3188646               0               0         0
>56         3188646               0               0         0
>57         4782969               0               0         0
>58         4782969               0               0         0
>59         9565938               0               0         0
>60         9565938               0               0         0
>61        14348907               0               0         0
>62        14348907               0               0         0
>63        28697814               0               0         0
>64        28697814               0               0         0
>65        43046721               0               0         0
>66        43046721               0               0         0
>67        86093442               0               0         0
>68        86093442               0               0         0
>69       129140163               0               0         0
>70       129140163               0               0         0
>71       258280326               0               0         0
>72       258280326               0               0         0
>73       387420489               0               0         0
>74       387420489               0               0         0
>75       774840978               0               0         0
>76       774840978               0               0         0
>77      1162261467               0               0         0
>78      1162261467               0               0         0
>79      2324522934               0               0         0
>80      2324522934               0               0         0
>81      3486784401               0               0         0
>82      3486784401               0               0         0
>83      6973568802               0               0         0
>84      6973568802               0               0         0
>85     10460353203               0               0         0
>86     10460353203               0               0         0
>87     20920706406               0               0         0
>88     20920706406               0               0         0
>89     31381059609               0               0         0
>90     31381059609               0               0         0
>91     62762119218               0               0         0
>92     62762119218               0               0         0
>93     94143178827               0               0         0
>94     94143178827               0               0         0
>95    188286357654               0               0         0
>96    188286357654               0               0         0
>97    282429536481               0               0         0
>98    282429536481               0               0         0
>99    564859072962               0               0         0
>------------------------------------------------------------

Time measurement gives about four significant digits. Why don't you show them?

hb

>
>Regards, Reinhard.



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