Author: Mike Byrne
Date: 18:36:53 03/17/05
Go up one level in this thread
On March 17, 2005 at 15:35:14, Ross Boyd wrote: >Hi all, > >Believe it or not, Fruit 2 needs 7:08 to choose Kb1 on a P3-600 with 64MB hash. > >IMO, this is quite amazing. The position is a long-time standard test of an >engine's transposition table and Fruit is a super engine. > >Notice also, it only achieves 27 ply after 4 and a half minutes. In comparison, >TRACE gets to ply 36 in ~10 secs. I wonder if Fruit's replacement scheme needs >attention.... > >[D]8/k7/3p4/p2P1p2/P2P1P2/8/8/K7 w - - 0 1 > >FEN: 8/k7/3p4/p2P1p2/P2P1P2/8/8/K7 w - - 0 1 > >Fruit 2.0: > 1/1 00:00.431 2 0 +0.60 Kb1 > 1/1 00:00.431 4 0 +0.84 Kb2 > 2/2 00:00.431 12 0 +0.48 Kb2 Kb6 > 3/3 00:00.431 39 0 +0.72 Kb2 Kb6 Kc3 > 4/4 00:00.441 103 0 +0.72 Kb2 Kb6 Kc3 Kc7 > 5/5 00:00.441 217 0 +0.84 Kb2 Kb6 Kc3 Kc7 Kd3 > 6/6 00:00.451 387 0 +0.72 Kb2 Kb6 Kc3 Kc7 Kd3 Kd7 > 7/7 00:00.451 638 0 +0.72 Kb2 Kb6 Kc3 Kc7 Kd3 Kd7 Ke3 > 8/9 00:00.481 1.059 0 +0.84 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 > 9/9 00:00.481 1.505 0 +0.84 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Ke3 > 10/11 00:00.491 2.252 0 +0.72 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Ke3 Kd7 > 11/11 00:00.491 3.053 0 +0.84 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Kc3 Kb6 >Kc4 > 12/13 00:00.501 4.185 0 +0.84 Kb2 Kb6 Kc3 Kc7 Kd3 Kb6 Kd2 Kc7 Kc3 Kb7 >Kc4 Kb6 > 13/13 00:00.501 5.020 0 +0.84 Kb2 Kb6 Kc3 Kc7 Kd3 Kb6 Kd2 Kc7 Kc3 Kb7 >Kc2 Kb6 Kd3 > 14/15 00:00.511 5.963 0 +0.84 Kb2 Kb6 Kc3 Kc7 Kd3 Kb6 Kd2 Kc7 Kc3 Kb7 >Kc2 Kb6 Kd3 Kc7 > 15/15 00:00.521 6.959 0 +0.84 Kb2 Kb6 Kc3 Kc7 Kd3 Kb6 Kd2 Kc7 Kc3 Kb7 >Kc2 Kb6 Kd3 Kc7 Kc4 > 16/17 00:00.531 8.318 0 +0.84 Kb2 Kb6 Kc3 Kc7 Kd3 Kb6 Kd2 Kc7 Kc2 Kd7 >Kd3 Kc7 Kc3 Kb7 Kc4 Kb6 > 17/18 00:00.561 9.454 0 +0.84 Kb2 Kb6 Kc3 Kc7 Kd3 Kb6 Kd2 Kc7 Kc2 Kd7 >Kd3 Kc7 Kc3 Kb7 Kc2 Kb6 Kd3 > 18/18 00:00.561 11.196 0 +0.84 Kb2 Kb6 Kc3 Kc7 Kd3 Kb6 Kd2 Kc7 Kc2 Kd7 >Kb3 Kc7 Kc3 Kb7 Kc2 Kb6 Kd3 Kc7 > 19/20 00:00.571 22.618 0 +0.84 Kb2 Kb6 Kc3 Kb7 Kc2 Kb6 Kd2 Kc7 Kd3 Kb6 >Ke3 Kc7 Kd2 Kd7 Kc2 Kc7 Kb3 Kb6 Kc4 > 20/22 00:00.581 26.661 0 +0.84 Kb2 Kb6 Kc3 Kb7 Kc2 Kb6 Kd2 Kc7 Kd3 Kb6 >Ke3 Kc7 Kd2 Kd7 Kc2 Kc7 Kb3 Kb6 Kc4 Kc7 > 21/22 00:01.982 255.750 0 +0.84 Kb2 Kb6 Kc3 Kb7 Kc2 Kb6 Kd2 Kc7 Kd3 Kb6 >Ke3 Kc7 Kf3 Kd7 Kf2 Ke7 Ke2 Kd7 Kd3 Kc7 Kc4 > 22/24 00:04.096 2.058.663 543.837 +0.84 Kb2 Ka8 Kc3 Kb7 Kc2 Kc8 Kd3 Kc7 Kc4 >Kb6 Kb3 Kc7 Ka3 Kd7 Kb2 Kc7 Kb3 Kb6 Kc4 Ka6 Kd3 Kb6 > 23/24 00:04.126 2.064.083 557.165 +0.84 Kb2 Ka8 Kc3 Kb7 Kc2 Kb8 Kd2 Kc8 Kd3 >Kc7 Kc4 Kb6 Kb3 Kc7 Ka2 Kd7 Kb2 Kc8 Ka3 Kb7 Ka2 Kc8 Kb3 > 24/25 00:09.274 4.918.317 554.985 +0.84 Kb2 Ka8 Kc3 Kb7 Kc2 Kb8 Kd2 Kc8 Kd3 >Kc7 Ke2 Kd7 Kd1 Kc8 Kd2 Kd7 Kc3 Kc7 Kb3 Kb6 Kc4 Ka6 Kd3 Kb6 > 25/27 00:41.989 21.206.318 522.615 +0.84 Kb2 Ka8 Kc3 Kb7 Kc2 Kb8 Kd2 Kc8 Kd3 >Kc7 Kc4 Kb6 Kb3 Kc7 Ka2 Kd7 Kb2 Kc8 Kb1 Kc7 Ka1 Kd7 Ka2 Kc8 Kb3 > 26/29 01:20.867 42.275.678 525.350 +0.84 Kb2 Ka8 Kc3 Kb7 Kc2 Kb8 Kd2 Kc8 Ke2 >Kd7 Kd1 Kc7 Kc1 Kb7 Kb1 Kc7 Kb2 Kc8 Ka3 Kb7 Kb3 Kc7 Kc4 Kb6 Kd3 Kc7 > 27/29 04:33.514 149.870.249 548.765 +0.84 Kb2 Ka8 Kc3 Kb7 Kc2 Kb8 Kd2 Kc8 Ke2 >Kd7 Kd1 Kc7 Kc1 Kb7 Kb1 Kc7 Kb2 Kc8 Ka1 Kc7 Kb1 Kc8 Kb2 Kb8 Kb3 Kc7 Kc4 > 27/31 07:08.717 238.982.279 557.646 +1.88 Kb1 Ka8 Kb2 Ka7 Kb3 Ka6 Kc2 Kb7 Kc3 >Kb6 Kc4 Ka6 Kd3 Kb7 Ke3 Kc8 Kf3 Kd8 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7 Kg5 Kd7 Kxf5 > 28/31 07:18.501 245.782.013 560.816 +1.88 Kb1 Ka8 Kb2 Ka7 Kb3 Ka6 Kc2 Kb7 Kc3 >Kb6 Kc4 Ka6 Kd3 Kb7 Ke3 Kc8 Kf3 Kd8 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7 Kg5 Kf7 Kxf5 Ke7 > 29/35 10:01.555 336.380.560 559.538 +2.06 Kb1 Ka8 Kb2 Ka7 Kb3 Ka6 Kc2 Kb7 Kc3 >Kb6 Kc4 Ka6 Kd3 Kb7 Ke3 Kc8 Kf3 Kd8 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7 Kg5 Kf7 Kxf5 Ke7 Ke4 > 30/35 10:01.896 336.571.613 559.558 +2.04 Kb1 Ka8 Kb2 Ka7 Kb3 Ka6 Kc2 Kb7 Kc3 >Kb6 Kc4 Ka6 Kd3 Kb7 Ke3 Kc7 Kf3 Kd8 Kg3 Ke7 Kh4 Kf6 Kh5 Kf7 Kg5 Kg7 Kxf5 Kf7 Ke4 >Kf6 > > >Here is TRACE 1.33B's output: > >FEN: 8/k7/3p4/p2P1p2/P2P1P2/8/8/K7 w - - 0 1 > >TRACE 1.33B: > 2 00:00.020 19 1.900 +0.75 Kb1 > 2 00:00.020 20 2.000 +0.95 Kb2 > 3 00:00.020 39 3.900 +1.15 Kb2 Kb6 Kc3 > 4 00:00.020 100 10.000 +1.15 Kb2 Kb6 Kc3 Kc7 > 5 00:00.020 210 21.000 +1.35 Kb2 Kb6 Kc3 Kc7 Kc4 > 6 00:00.030 378 37.800 +1.25 Kb2 Kb6 Kc3 Kc7 Kc4 Kd7 > 7 00:00.030 705 70.500 +1.25 Kb2 Kb6 Kc3 Kc7 Kb3 Kd7 Kc4 > 8 00:00.030 1.225 122.500 +1.25 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 > 9 00:00.060 1.757 175.700 +1.25 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 > 10 00:00.060 2.611 261.100 +1.25 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 > 11 00:00.070 3.653 365.300 +1.25 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Kc3 > 12 00:00.070 4.872 487.200 +1.25 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Kc3 > 13 00:00.080 6.261 626.100 +1.25 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Kc3 > 14 00:00.080 8.744 218.600 +1.25 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Kc3 > 15 00:00.090 10.771 269.275 +1.25 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Kc3 > 16 00:00.090 14.635 365.875 +1.25 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Kc3 > 17 00:00.100 17.105 342.100 +1.25 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Kc3 > 18 00:00.120 27.846 253.145 +1.25 Kb2 Kb6 Kc3 Kb7 Kc4 Kb6 > 19 00:00.161 46.710 333.642 +1.25 Kb2 Ka8 Kc3 Kb7 > 20 00:00.161 52.375 349.166 +1.25 Kb2 Ka8 Kc3 Kb7 Kc4 Kb6 Kd3 Kc7 > 20 00:00.181 59.395 349.382 +1.26 Kb1 > 20 00:00.211 75.563 377.815 +2.66 Kb1 Ka8 Kb2 Kb7 Kc3 Kc7 Kd3 Kb6 Ke3 >Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7 Kg5 Kd7 > 21 00:00.221 85.773 389.877 +2.65 Kb1 Ka8 Kb2 Ka7 > 22 00:00.291 134.374 463.358 +2.58 Kb1 Kb7 > 23 00:00.351 166.351 489.267 +2.34 Kb1 Kb7 Kc1 Kc7 Kd1 Kd7 Kc2 Kd8 Kc3 >Kc7 Kb3 > 24 00:00.421 214.561 523.319 +2.57 Kb1 Kb7 Kc1 Kc7 Kd1 Kd7 Kc2 Kc7 Kd3 >Kb7 > 25 00:00.511 272.545 545.090 +2.43 Kb1 Kb7 Kc1 Kc7 Kd1 Kd7 Kc2 Kc7 Kd3 >Kb7 Ke3 Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Kg7 > 26 00:00.621 346.056 567.304 +2.67 Kb1 Kb7 Kc1 Kc7 Kd1 Kd7 Kc2 Kc7 Kd3 >Kb7 Ke3 Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 > 27 00:01.731 416.557 578.551 +2.82 Kb1 Kb7 Kc1 Kc7 Kd1 Kd7 Kc2 Kc7 Kd3 >Kb7 Ke2 Kc8 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7 > 28 00:01.831 482.382 581.183 +2.82 Kb1 Kb7 Kc1 Kc7 Kd1 Kd7 Kc2 Kc7 Kd3 >Kb7 Ke2 Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7 > 29 00:01.982 574.775 592.551 +2.76 Kb1 Kb7 Kc1 Kc7 Kd1 Kd7 Kc2 Kc7 Kd3 >Kb7 Ke2 Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7 > 30 00:01.132 667.760 596.214 +3.01 Kb1 > 30 00:01.152 679.729 596.253 +3.01 Kb1 > 31 00:01.553 909.583 590.638 +3.01 Kb1 Kb7 Kc1 Kc7 Kd1 Kd7 Kc2 Kd8 Kc3 >Kc7 Kd3 Kb6 Ke3 > 32 00:02.103 1.241.756 591.312 +3.21 Kb1 Kb7 Kc1 Kc7 Kd1 Kd7 Kc2 Kc7 Kd3 >Kb7 Ke3 Kc7 > 33 00:02.534 1.480.104 587.342 +3.46 Kb1 > 33 00:02.614 1.521.814 585.313 +3.46 Kb1 > 34 00:03.834 1.644.867 583.286 +3.21 Kb1 > 34 00:03.215 1.844.537 576.417 +3.21 Kb1 > 35 00:04.557 2.429.447 511.462 +3.46 Kb1 > 35 00:05.757 2.517.823 503.564 +3.46 Kb1 > 36 00:10.674 4.497.503 449.300 +3.46 Kb1 Kb7 Kc1 Kc7 Kd1 Kd7 Kc2 Kd8 Kc3 >Kc7 Kd3 Kb7 Ke3 Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 > 37 00:18.407 8.208.144 437.301 +3.70 Kb1 Kb7 Kc1 Kc7 Kd1 Kd7 Kc2 Kd8 Kc3 >Kc7 Anout the same as the Tasc R30 made 10 years ago. The Atlanta and Mephisto Genius solve this one pretty quickly for dedicated machines. Any PC should see this almost instantly since most do.
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