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Subject: Re: perft records

Author: Reinhard Scharnagl

Date: 04:19:44 09/07/04

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Hi Sune,

it would be interesting to know your detailed data on:

FEN: rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1

  +-*--b--c--d--*--f--g--*-+ MS Visual Studio C++ Version 13.10
8 |[r][n][b][q][k][b][n][r]|
7 |[p][p][p][p][p][p][p][p]| Perft Testseries
6 |   :::   :::   :::   :::|
5 |:::   :::   :::   :::   | (With TT Caching 512 MB / 5-fold)
4 |   :::   :::   :::   :::|
3 |:::   :::   :::   :::   | Test #:      00
2 |<P><P><P><P><P><P><P><P>|
1 |<R><N><B><Q><K><B><N><R>| Break Time 50.0 Sec.
=>+-*--b--c--d--*--f--g--*-+

Ply          Nodes         all (x)         all (+)   Seconds
------------------------------------------------------------
01              20               0               0         0
02             400               0               0         0
03            8902              34              12         0
04          197281            1576             469         0
05         4865609           82719           27351       0.1
06       119060324         2812008          809099       1.7
07      3195901860       108329926        33103848      19.9
08     84998978956      3523740106       968981593     285.5
------------------------------------------------------------

and on:

FEN: r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 25

  +-*--b--c--d--*--f--g--*-+ MS Visual Studio C++ Version 13.10
8 |[r]:::   :::[k]:::   [r]|
7 |[p]   [p][p][q][p][b]   | Perft Testseries
6 |[b][n]   :::[p][n][p]:::|
5 |:::   :::<P><N>   :::   | (With TT Caching 512 MB / 5-fold)
4 |   [p]   :::<P>:::   :::|
3 |:::   <N>   :::<Q>:::[p]| Test #:      01
2 |<P><P><P><B><B><P><P><P>|
1 |<R>   :::   <K>   :::<R>| Break Time 50.0 Sec.
=>+-*--b--c--d--*--f--g--*-+

Ply          Nodes         all (x)         all (+)   Seconds
------------------------------------------------------------
01              48               8               0         0
02            2039             351               3         0
03           97862           17102             993         0
04         4085603          757163           25523       0.2
05       193690690        35043416         3309887       3.9
06      8031647685      1558445089        92238050      90.3
------------------------------------------------------------

because it would be very interesting for me to know the ply-timings,
for to estimate and to compare the groth of dure from ply to ply,
when using a transposition table.

Regards, Reinhard.



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