Author: Dann Corbit
Date: 11:36:21 06/30/04
Go up one level in this thread
On June 30, 2004 at 14:19:02, Andrew Wagner wrote: >I have a single transposition table, replace-always. I count a success when I >get back a score which allows me to return immediately, without making a move. >About what percent should my success rate be? about 1/3 (33%) seems usual, especially for long searches. Sparse boards seem to do the best for some reason. >Currently, my success rate starts around 5%, then drops turn-by-turn, until it's >0, then jumps back up and starts falling again. Any suggestions what might be >causing this? I've tested all my keys with generating them from scratch, and >have no problems there. My code is modelled after the TT code on bruce morelan's >site. Any suggestions appreciated.... Your hashing has a bug for sure. Here are some Beowulf ratios of probes/hits (from the IQ3 test suite): Hash Probes (Hits) : 6556931 (1556721) Hash Probes (Hits) : 7171367 (1272681) Hash Probes (Hits) : 7203533 (1663937) Hash Probes (Hits) : 7697739 (1038143) Hash Probes (Hits) : 7882192 (1333036) Hash Probes (Hits) : 8217480 (2016453) Hash Probes (Hits) : 8303688 (1264810) Hash Probes (Hits) : 8406738 (1826845) Hash Probes (Hits) : 8430497 (1657385) Hash Probes (Hits) : 8437063 (2049916) Hash Probes (Hits) : 8869075 (1466924) Hash Probes (Hits) : 8880143 (2107906) Hash Probes (Hits) : 9145909 (1742123) Hash Probes (Hits) : 9210287 (1851407) Hash Probes (Hits) : 9471184 (2019358) Hash Probes (Hits) : 9653161 (1702595) Hash Probes (Hits) : 9671151 (1937158) Hash Probes (Hits) : 9701002 (1760667) Hash Probes (Hits) : 9749452 (1644470) Hash Probes (Hits) : 10553150 (2064938) Hash Probes (Hits) : 10604488 (2166870) Hash Probes (Hits) : 10648399 (2276495) Hash Probes (Hits) : 10950567 (2638865) Hash Probes (Hits) : 11181025 (2273127) Hash Probes (Hits) : 11756721 (3379618) Hash Probes (Hits) : 11899876 (1694445) Hash Probes (Hits) : 12002989 (2100694) Hash Probes (Hits) : 12030176 (2113771) Hash Probes (Hits) : 12194755 (2578157) Hash Probes (Hits) : 12998609 (2585692) Hash Probes (Hits) : 13443934 (2251691) Hash Probes (Hits) : 13483818 (3069812) Hash Probes (Hits) : 13514163 (2873914) Hash Probes (Hits) : 14261554 (3751693) Hash Probes (Hits) : 16697642 (2497442) Hash Probes (Hits) : 16840307 (2976838) Hash Probes (Hits) : 17779895 (2383942) Hash Probes (Hits) : 19003757 (5122475) Hash Probes (Hits) : 19184579 (3073278) Hash Probes (Hits) : 19599311 (3413330) Hash Probes (Hits) : 19680465 (3789569) Hash Probes (Hits) : 19686705 (3921578) Hash Probes (Hits) : 19699879 (4597278) Hash Probes (Hits) : 20079640 (2819489) Hash Probes (Hits) : 20403295 (3810187) Hash Probes (Hits) : 20636032 (3794114) Hash Probes (Hits) : 20888760 (2775294) Hash Probes (Hits) : 21102979 (5875506) Hash Probes (Hits) : 21116223 (2878005) Hash Probes (Hits) : 21300299 (3653699) Hash Probes (Hits) : 21736714 (2332429) Hash Probes (Hits) : 21846632 (4337174) Hash Probes (Hits) : 21962248 (3643078) Hash Probes (Hits) : 22107317 (5294418) Hash Probes (Hits) : 22291095 (3241651) Hash Probes (Hits) : 22524301 (3150313) Hash Probes (Hits) : 22910679 (4862254) Hash Probes (Hits) : 23343551 (4270092) Hash Probes (Hits) : 23375741 (5650174) Hash Probes (Hits) : 23874255 (3664853) Hash Probes (Hits) : 24530523 (4116960) Hash Probes (Hits) : 24563672 (4883219) Hash Probes (Hits) : 24671296 (3662531) Hash Probes (Hits) : 24875017 (3729479) Hash Probes (Hits) : 25089012 (5158199) Hash Probes (Hits) : 25169066 (4528223) Hash Probes (Hits) : 25177588 (4708529) Hash Probes (Hits) : 25378281 (4345403) Hash Probes (Hits) : 25689651 (5218206) Hash Probes (Hits) : 25943724 (5405735) Hash Probes (Hits) : 26014511 (6416932) Hash Probes (Hits) : 26737067 (5583627) Hash Probes (Hits) : 27179050 (3998471) Hash Probes (Hits) : 27558170 (4733025) Hash Probes (Hits) : 27576291 (4565375) Hash Probes (Hits) : 27954445 (6121876) Hash Probes (Hits) : 28170722 (5004057) Hash Probes (Hits) : 28203227 (5372984) Hash Probes (Hits) : 28256715 (6649034) Hash Probes (Hits) : 28394714 (4589646) Hash Probes (Hits) : 28612757 (5665060) Hash Probes (Hits) : 28782508 (4941500) Hash Probes (Hits) : 28943046 (6964156) Hash Probes (Hits) : 29138053 (9105522) Hash Probes (Hits) : 29200542 (6582983) Hash Probes (Hits) : 29618682 (6556340) Hash Probes (Hits) : 29686187 (5053872) Hash Probes (Hits) : 30029004 (5921511) Hash Probes (Hits) : 30066327 (5209963) Hash Probes (Hits) : 30647118 (6580827) Hash Probes (Hits) : 31092616 (5994235) Hash Probes (Hits) : 31508023 (4467148) Hash Probes (Hits) : 31901904 (6006974) Hash Probes (Hits) : 32117469 (6602594) Hash Probes (Hits) : 32924311 (6533543) Hash Probes (Hits) : 33413869 (4469790) Hash Probes (Hits) : 33548426 (6746853) Hash Probes (Hits) : 33729726 (6741404) Hash Probes (Hits) : 34020128 (4092149) Hash Probes (Hits) : 34075950 (8474066) Hash Probes (Hits) : 35175694 (8066376) Hash Probes (Hits) : 35183546 (9588729) Hash Probes (Hits) : 35557662 (5658973) Hash Probes (Hits) : 37409227 (6924252) Hash Probes (Hits) : 37713502 (7589858) Hash Probes (Hits) : 38967249 (11495493) Hash Probes (Hits) : 39191021 (7915442) Hash Probes (Hits) : 42814464 (11073242) Hash Probes (Hits) : 46664593 (7737537) Hash Probes (Hits) : 47684808 (12570466) Hash Probes (Hits) : 58161648 (14295385)
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