Author: James Swafford
Date: 04:38:32 09/18/02
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On September 18, 2002 at 05:19:49, David Rasmussen wrote: >On September 17, 2002 at 21:31:17, James Swafford wrote: > >> >>I'm skeptical about my hash efficiency - it seems to me I'm not >>getting enough hits from my hash tables. >> >>I wonder if some of you would post some numbers for me to compare >>by running the following 3 positions: >> >>r4k2/q4npp/P2P4/2p1R3/2N5/6PP/Q5K1/8 w - - bm Re7; id "ECM.1028"; > > Time used: 00:00:10.00 > nps: 512962 nodes: 5134756 Q-nodes: 390756 (7%) > move order: 94% > hash probes: 1394483 hash hits: 400348 (28%) hash usage: 13% > pawn hash probes: 2687859 pawn hash hits: 2683772 (99%) > EGTB probes: 0 EGTB hits: 0 (0%) Is hash usage a sum of cutoffs, or does it include nodes in which you get a move to try as well? -- James > >>7k/p7/1R5K/6r1/6p1/6P1/8/8 w - - b6b7; > >I disabled EGTB for this one, because they were used heavily, otherwise: > > Time used: 00:00:10.00 > nps: 740015 nodes: 7407557 Q-nodes: 116557 (1%) > move order: 98% > hash probes: 3977235 hash hits: 2765632 (69%) hash usage: 14% > pawn hash probes: 2915564 pawn hash hits: 2915356 (99%) > EGTB probes: 0 EGTB hits: 0 (0%) > >>r1bq1rk1/pp2bp1p/2p2np1/3p2B1/3P4/2NQ2N1/PPP2PPP/4RRK1 w - - bm Rxe7; id >>"ECM.1068"; > > Time used: 00:00:10.00 > nps: 492349 nodes: 4928421 Q-nodes: 1756421 (35%) > move order: 95% > hash probes: 978875 hash hits: 333690 (34%) hash usage: 10% > pawn hash probes: 3813241 pawn hash hits: 3791715 (99%) > EGTB probes: 0 EGTB hits: 0 (0%)
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