Author: Volker Böhm
Date: 13:58:36 03/16/04
Go up one level in this thread
On March 16, 2004 at 16:24:14, Matthias Gemuh wrote:
>On March 16, 2004 at 15:04:53, Matthias Gemuh wrote:
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>column 1 => Perft (see original post)
>column 2 => Perft + Eval
>column 3 => Perft + Eval + MoveOrdering
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>rnbqkbnr/pppppppp/rnbqkbnr/pppppppp/rnbqkbnr/pppppppp/
>PerftPly = 3 PerftPly = 3 PerftPly = 3
>nCount = 9322 nCount = 9322 nCount = 9322
>nps = 932200 nps = 466100 nps = 310733
>rnbqkbnr/pppppppp/rnbqkbnr/pppppppp/rnbqkbnr/pppppppp/
>PerftPly = 4 PerftPly = 4 PerftPly = 4
>nCount = 206603 nCount = 206603 nCount = 206603
>nps = 1147794 nps = 794626 nps = 712424
>rnbqkbnr/pppppppp/rnbqkbnr/pppppppp/rnbqkbnr/pppppppp/
>PerftPly = 5 PerftPly = 5 PerftPly = 5
>nCount = 5072212 nCount = 5072212 nCount = 5072212
>nps = 1249313 nps = 897736 nps = 761593
>r3k2r/p1ppqpb1/bn2r3k2r/p1ppqpb1/bn2r3k2r/p1ppqpb1/bn2- 0 1
>PerftPly = 3 PerftPly = 3 PerftPly = 3
>nCount = 99949 nCount = 99949 nCount = 99949
>nps = 1249362 nps = 999490 nps = 713921
>r3k2r/p1ppqpb1/bn2r3k2r/p1ppqpb1/bn2r3k2r/p1ppqpb1/bn2- 0 1
>PerftPly = 4 PerftPly = 4 PerftPly = 4
>nCount = 4185552 nCount = 4185552 nCount = 4185552
>nps = 1260708 nps = 1043778 nps = 783811
>8/PPP4k/8/8/8/8/4K8/PPP4k/8/8/8/8/4K8/PPP4k/8/8/8/8/4K
>PerftPly = 4 PerftPly = 4 PerftPly = 4
>nCount = 94715 nCount = 94715 nCount = 94715
>nps = 861045 nps = 728576 nps = 631433
>8/PPP4k/8/8/8/8/4K8/PPP4k/8/8/8/8/4K8/PPP4k/8/8/8/8/4K
>PerftPly = 5 PerftPly = 5 PerftPly = 5
>nCount = 1840260 nCount = 1840260 nCount = 1840260
>nps = 1082505 nps = 863971 nps = 724511
>8/2p5/3p4/KP5r/1R38/2p5/3p4/KP5r/1R38/2p5/3p4/KP5r/1R3
>PerftPly = 4 PerftPly = 4 PerftPly = 4
>nCount = 46255 nCount = 46255 nCount = 46255
>nps = 1156375 nps = 660785 nps = 660785
>8/2p5/3p4/KP5r/1R38/2p5/3p4/KP5r/1R38/2p5/3p4/KP5r/1R3
>PerftPly = 5 PerftPly = 5 PerftPly = 5
>nCount = 720879 nCount = 720879 nCount = 720879
>nps = 1310689 nps = 948525 nps = 758820
>8/2p5/3p4/KP5r/1R38/2p5/3p4/KP5r/1R38/2p5/3p4/KP5r/1R3
>PerftPly = 6 PerftPly = 6 PerftPly = 6
>nCount = 11750962 nCount = 11750962 nCount = 11750962
>nps = 1304213 nps = 975993 nps = 773598
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oops funny fen
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>>
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>>I am trying to find out why my engine is 6...10 times slower than others at
>>runtime (got no profiler). Is the speed of this Perft() acceptable on 2.0 GHz ?
>>Note that attack boards and hash keys are also calculated/updated.
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>>void Perft(int nPerft, int nPly, *nCount, nSideToMove, ChsStrct, nMethod)
>>{
>> if (nPerft <= 0) return;
>> CalculateAttackBoards(ChsStrct, &AtkInfo1);
>> GenerateMoves(ChsStrct, nSideToMove, nMoveOffset, &AtkInfo1);
>> for (i= 0; i < ChsStrct->MoveCount; i++) {
>> Move = ChsStrct->MoveList[nMoveOffset+i];
>> if (!MiniMakeMove(ChsStrct, Move, true)) continue;
>> *nCount += 1;
>> Perft(nPerft-1, nPly+1, nCount, nOtherSide, ChsStrct, nMethod);
>> MiniUnmakeMove(ChsStrct, Move);
>> }
>>}
>>
>>
>>rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
>>PerftPly = 3
>>nCount = 9322
>>nps = 932200
>>rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
>>PerftPly = 4
>>nCount = 206603
>>nps = 1147794
>>rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
>>PerftPly = 5
>>nCount = 5072212
>>nps = 1249313
>>r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 1
>>PerftPly = 3
>>nCount = 99949
>>nps = 1249362
>>r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 1
>>PerftPly = 4
>>nCount = 4185552
>>nps = 1260708
>>8/PPP4k/8/8/8/8/4Kppp/8 w - - 0 1
>>PerftPly = 4
>>nCount = 94715
>>nps = 861045
>>8/PPP4k/8/8/8/8/4Kppp/8 w - - 0 1
>>PerftPly = 5
>>nCount = 1840260
>>nps = 1082505
>>8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - - 0 1
>>PerftPly = 4
>>nCount = 46255
>>nps = 1156375
>>8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - - 0 1
>>PerftPly = 5
>>nCount = 720879
>>nps = 1310689
>>8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - - 0 1
>>PerftPly = 6
>>nCount = 11750962
>>nps = 1304213
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