Author: Reinhard Scharnagl
Date: 13:07:39 10/16/04
Go up one level in this thread
On October 16, 2004 at 13:22:08, Michael Henderson wrote: >On October 16, 2004 at 11:37:46, Reinhard Scharnagl wrote: > >>Hi Ron, >> >>compare your perft results to some from other move generators, so you will see, >>whether it will depend on the use of bitboards or not. >> >>Regards, Reinhard. >I have noticed that offset can generate moves faster than bitboard, but bitboard >can do check detection much faster than offset. I do not think perft is a good >test for this. I think he would have to make his own bitboard/offset progs to >get useful results. > >Michael Hi Michael, do you regard my check and mate detection (not with bitboards) being slow? FEN: rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 +-*--b--c--d--*--f--g--*-+ MS Vis. Studio C++ Vers. 13.10 8 |[r][n][b][q][k][b][n][r]| 7 |[p][p][p][p][p][p][p][p]| Perft Testseries 6 | ::: ::: ::: :::| 5 |::: ::: ::: ::: | (without caching) 4 | ::: ::: ::: :::| 3 |::: ::: ::: ::: | Test #: 00 2 |<P><P><P><P><P><P><P><P>| 1 |<R><N><B><Q><K><B><N><R>| Break Time 5.0 Sec. =>+-*--b--c--d--*--f--g--*-+ Ply Nodes all (x) (e.p.) all (+) (#) Promot. Castl. Sec. ------------------------------------------------------------------------------- 01 20 0 0 0 0 0 0 0 02 400 0 0 0 0 0 0 0 03 8902 34 0 12 0 0 0 0 04 197281 1576 0 469 8 0 0 0 05 4865609 82719 258 27351 347 0 0 0.2 06 119060324 2812008 5248 809099 10828 0 0 5.3 ------------------------------------------------------------------------------- FEN: r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 25 +-*--b--c--d--*--f--g--*-+ MS Vis. Studio C++ Vers. 13.10 8 |[r]::: :::[k]::: [r]| 7 |[p] [p][p][q][p][b] | Perft Testseries 6 |[b][n] :::[p][n][p]:::| 5 |::: :::<P><N> ::: | (without caching) 4 | [p] :::<P>::: :::| 3 |::: <N> :::<Q>:::[p]| Test #: 01 2 |<P><P><P><B><B><P><P><P>| 1 |<R> ::: <K> :::<R>| Break Time 5.0 Sec. =>+-*--b--c--d--*--f--g--*-+ Ply Nodes all (x) (e.p.) all (+) (#) Promot. Castl. Sec. ------------------------------------------------------------------------------- 01 48 8 0 0 0 0 2 0 02 2039 351 1 3 0 0 91 0 03 97862 17102 45 993 1 0 3162 0 04 4085603 757163 1929 25523 43 15172 128013 0.2 05 193690690 35043416 73365 3309887 30171 8392 4993637 9.2 ------------------------------------------------------------------------------- Regards, Reinhard.
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