| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: xoto10
Date: Tue Nov 20 07:50:12 2018 +0100 Timestamp: 1542696612 Bonus for restricting opponent's piece moves STC: LLR: 2.96 (-2.94,2.94) [0.00,5.00] Total: 51883 W: 11297 L: 10915 D: 29671 Elo +2.56 http://tests.stockfishchess.org/tests/view/5bf1e2ee0ebc595e0ae3cacd LTC: LLR: 2.96 (-2.94,2.94) [0.00,5.00] Total: 15859 W: 2752 L: 2565 D: 10542 Elo +4.10 http://tests.stockfishchess.org/tests/view/5bf337980ebc5902bcecbf62 Notes: (1) The bonus value has not been carefully tested, so it may be possible to find slightly better values. (2) Plan is to now try adding similar restriction for pawns. I wanted to include that as part of this pull request, but I was advised to do it as two separate pull requests. STC is currently running here, but may not add enough value to pass green. Bench: 3679086 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Stéphane Nicolet
Date: Mon Nov 19 11:18:21 2018 +0100 Timestamp: 1542622701 Stockfish 10-beta Preparation commit for the upcoming Stockfish 10 version, giving a chance to catch last minute feature bugs and evaluation regression during the one-week code freeze period. Also changing the copyright dates to include 2019. No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: SFisGOD
Date: Mon Nov 19 10:50:55 2018 +0100 Timestamp: 1542621055 Tweak Queen PSQT based on tuned values STC: (Yellow) LLR: -2.96 (-2.94,2.94) [0.00,4.00] Total: 63140 W: 13433 L: 13353 D: 36354 Elo +0.44 http://tests.stockfishchess.org/tests/view/5bed42c90ebc595e0ae37cf5 LTC: (Green) LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 47714 W: 7785 L: 7485 D: 32444 Elo +2.18 http://tests.stockfishchess.org/tests/view/5bec3b8c0ebc595e0ae36dec Closes https://github.com/official-stockfish/Stockfish/pull/1816 Bench: 3717396 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Kurt
Date: Mon Nov 19 10:42:46 2018 +0100 Timestamp: 1542620566 Tune evaluation scores STC: LLR: -2.96 (-2.94,2.94) [0.00,4.00] Total: 84697 W: 18173 L: 18009 D: 48515 Elo +0.67 http://tests.stockfishchess.org/tests/view/5bea366f0ebc595e0ae34793 LTC: LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 157625 W: 25533 L: 24893 D: 107199 Elo +1.41 http://tests.stockfishchess.org/tests/view/5be8b69e0ebc595e0ae33024 Personally, I feel like SF has been tuned to death recently and that we need to step away from existing-parameter tunes for a bit and focus more on new ideas. I don't really think there's much more ELO in these tunes (for now). For me at least, this was the last existing-parameter tune I'll be running for quite a while. Cheers! Bench: 3572567 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: protonspring
Date: Mon Nov 19 10:37:34 2018 +0100 Timestamp: 1542620254 Remove BlockedStorm array Apparently, only RANK_3 is relevant. This removes a look-up and the BlockedStorm array, but adds another conditional. STC LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 84340 W: 18054 L: 18054 D: 48232 Elo +0.00 http://tests.stockfishchess.org/tests/view/5bea10f40ebc595e0ae3457b LTC LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 31874 W: 5135 L: 5032 D: 21707 Elo +1.12 http://tests.stockfishchess.org/tests/view/5beadb6a0ebc595e0ae35542 Closes https://github.com/official-stockfish/Stockfish/pull/1814 Bench: 3799443 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: VoyagerOne
Date: Mon Nov 19 10:28:55 2018 +0100 Timestamp: 1542619735 Simplify Castle Extension Remove depth condition in castle extension, also don't extend if Singular Extension and Check Extansion fail to extend. STC: LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 42070 W: 9118 L: 9036 D: 23916 Elo +0.68 http://tests.stockfishchess.org/tests/view/5be899cc0ebc595e0ae32f07 LTC: LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 78278 W: 12490 L: 12458 D: 53330 Elo +0.14 http://tests.stockfishchess.org/tests/view/5be8ac420ebc595e0ae33010 Bench: 3611041 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: protonspring
Date: Mon Nov 19 10:16:07 2018 +0100 Timestamp: 1542618967 Code style in search.cpp It does not appear to be not necessary or advantageous to conditionally initialize kingRing[Us] or kingAttackersCount[Them], so the 'else' can be removed. STC LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 22873 W: 4923 L: 4804 D: 13146 Elo +1.81 http://tests.stockfishchess.org/tests/view/5be9a8270ebc595e0ae33c7e No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Nikolay Kostov
Date: Mon Nov 19 10:10:47 2018 +0100 Timestamp: 1542618647 Update a comment in the evaluate.cpp file to reflect recent change No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: SFisGOD
Date: Mon Nov 19 10:02:31 2018 +0100 Timestamp: 1542618151 Rook PSQT Tuned Failed STC (Yellow ) LLR: -2.96 (-2.94,2.94) [0.00,4.00] Total: 56302 W: 12007 L: 11953 D: 32342 Elo +0.33 http://tests.stockfishchess.org/tests/view/5be69d210ebc595e0ae3185b Passed 1st LTC (Green) LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 8745 W: 1480 L: 1301 D: 5964 Elo +7.11 http://tests.stockfishchess.org/tests/view/5be682960ebc595e0ae31818 Failed 2nd LTC (Red) LLR: -2.96 (-2.94,2.94) [0.00,4.00] Total: 19398 W: 3040 L: 3133 D: 13225 Elo -1.67 http://tests.stockfishchess.org/tests/view/5be69b840ebc595e0ae31856 Passed 3rd LTC (Green) LLR: 2.96 (-2.94,2.94) [0.00,4.00] Total: 107516 W: 17342 L: 16858 D: 73316 Elo +1.56 http://tests.stockfishchess.org/tests/view/5bea879a0ebc595e0ae34d80 Closes https://github.com/official-stockfish/Stockfish/pull/1809 How to continue from there? The values in the rook table now look a bit strange for a human eye and are hard to explain, maybe it would be nice to simplify them by hand and see if we can pass another (clean) double green with a more regular array. Bench: 3188070 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Vizvezdenec
Date: Mon Nov 19 09:47:19 2018 +0100 Timestamp: 1542617239 Change default contempt from 21 to 24 centipawns To top the rating lists and get more interesting middle play, it is a good habit to set the default contempt to the highest value that does not regress against contempt=0. We recently decreased PawnValueEg it is logical that to raise a little bit the default higher contempt because of the following internal dependency in line 334 of search.cpp : ```` int ct = int(Options["Contempt"]) * PawnValueEg / 100; // From centipawns ```` STC: contempt=24 passed non-regression vs contempt=0 http://tests.stockfishchess.org/tests/view/5bd6d7f80ebc595e0ae21e14 LTC: contempt=24 passed non-regression LTC vs contempt=0 http://tests.stockfishchess.org/tests/view/5bd6e0980ebc595e0ae21f07 On 2018-11-01, we also tested the effects of contempt=21 and contempt=24 against Stockfish 9, and the net result was neutral: Contempt 21 ELO: 51.68 +-1.9 (95%) LOS: 100.0% Total: 40000 W: 9487 L: 3581 D: 26932 Elo +51.68 http://tests.stockfishchess.org/tests/view/5bdb1a140ebc595e0ae2620a Contempt 24 ELO: 52.21 +-2.0 (95%) LOS: 100.0% Total: 40000 W: 9759 L: 3793 D: 26448 Elo +52.21 http://tests.stockfishchess.org/tests/view/5bdb1b680ebc595e0ae2620d Bench: 3459874 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Nooby
Date: Mon Nov 19 09:40:42 2018 +0100 Timestamp: 1542616842 Clear TableBase mappings in Search::clear() This patch will make possible to free mapped TB files with "ucinewgame" command. We wrote this patch specifically to address a problem that arose while running Stockfish with 7-piece tablebases as a kibitzer at TCEC for extended periods of time across multiple games. It was noted that after some time, the NPS of the kibitzing Stockfish (which is usually 3x faster than the Stockfish actually competing) would drop precipitously, eventually falling to preposterously low numbers until restarted. Their eval bot basically inputs FEN, go infinite, stop and loop, it probably didn't do ucinewgame either. As time goes it gradually slowed down and OS starts to use swap, this is not reasonable since the engine only uses 16GB hash and the machine has 1TB physical RAM and does nothing else. Author : noobpwnftw Closes https://github.com/official-stockfish/Stockfish/pull/1790 No functional change. see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: protonspring
Date: Mon Nov 12 20:33:07 2018 +0100 Timestamp: 1542051187 Replace the PassedDanger array by an equation This equation seems to do as well as the current PassedDanger array. Master values were: 3, 7, 11, 20 The new values given by the equation are: 3, 6, 11, 18 STC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 84301 W: 18155 L: 18156 D: 47990 Elo -0.00 http://tests.stockfishchess.org/tests/view/5bda03180ebc595e0ae2518e LTC: LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 7940 W: 1358 L: 1217 D: 5365 Elo +6.17 http://tests.stockfishchess.org/tests/view/5bdc69880ebc595e0ae27d28 We stopped a LTC run after 70000 games: LLR: 0.74 (-2.94,2.94) [0.00,4.00] Total: 70257 W: 11319 L: 11064 D: 47874 Elo +1.26 http://tests.stockfishchess.org/tests/view/5bdca8420ebc595e0ae281a9 Bench: 3913185 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: mstembera
Date: Mon Nov 12 19:45:05 2018 +0100 Timestamp: 1542048305 Remove redundant king square parameter We don't need to pass the king square as an explicit parameter to the functions king_safety() and do_king_safety() since we already pass in the position. STC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 69686 W: 14894 L: 14866 D: 39926 Elo +0.14 http://tests.stockfishchess.org/tests/view/5be84ac20ebc595e0ae3283c No functional change. see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: 31m059
Date: Sun Nov 11 22:14:28 2018 +0100 Timestamp: 1541970868 Simplify tropism. (#1807) We calculate tropism as a sum of two factors. The first is the number of squares in our kingFlank and Camp that are attacked by the enemy; the second is number of these squares that are attacked twice. Prior to this commit, we excluded squares we defended with pawns from this second value, but this appears unnecessary. (Doubly-attacked squares near our king are still dangerous.) The removal of this exclusion is a possible small Elo gain at STC (estimated +1.59) and almost exactly neutral at LTC (estimated +0.04). STC: LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 20942 W: 4550 L: 4427 D: 11965 Elo +2.04 http://tests.stockfishchess.org/tests/view/5be4e0ae0ebc595e0ae308a0 LTC: LLR: 2.94 (-2.94,2.94) [-3.00,1.00] Total: 56941 W: 9172 L: 9108 D: 38661 Elo +0.39 http://tests.stockfishchess.org/tests/view/5be4ec340ebc595e0ae30938 Bench: 3813986 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Stephane Nicolet
Date: Thu Nov 8 17:09:44 2018 +0100 Timestamp: 1541693384 Update list of top CPU contributors Contributors with >10,000 CPU hours as of November 4, 2018. Thank you! No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: SFisGOD
Date: Thu Nov 8 16:34:10 2018 +0100 Timestamp: 1541691250 Pawn and Piece Values Tuned at LTC Failed STC LLR: -2.96 (-2.94,2.94) [0.00,4.00] Total: 27487 W: 5846 L: 5903 D: 15738 Elo -0.72 http://tests.stockfishchess.org/tests/view/5be1d3190ebc595e0ae2e5b8 Passed 1st LTC LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 38503 W: 6270 L: 5999 D: 26234 Elo +2.45 http://tests.stockfishchess.org/tests/view/5be1f5ef0ebc595e0ae2e750 Passed 2nd LTC LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 34016 W: 5584 L: 5326 D: 23106 Elo +2.64 http://tests.stockfishchess.org/tests/view/5be2a1970ebc595e0ae2f1b4 This pull request lead to an interesting discussion about testing methodology for Stockfish: https://github.com/official-stockfish/Stockfish/pull/1804 Bench: 3647775 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Joost VandeVondele
Date: Thu Nov 8 16:20:23 2018 +0100 Timestamp: 1541690423 fixup see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Joost VandeVondele
Date: Thu Nov 8 16:20:23 2018 +0100 Timestamp: 1541690423 Extension for king moves changing castling rights passed STC: LLR: 2.95 (-2.94,2.94) [0.00,5.00] Total: 8463 W: 1919 L: 1747 D: 4797 Elo +7.06 http://tests.stockfishchess.org/tests/view/5be15d510ebc595e0ae2dec6 passed LTC: LLR: 2.95 (-2.94,2.94) [0.00,5.00] Total: 142590 W: 23263 L: 22587 D: 96740 Elo +1.65 http://tests.stockfishchess.org/tests/view/5be1667b0ebc595e0ae2df2d Bench: 3607243 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Fabian Fichter
Date: Sun Nov 4 21:30:35 2018 +0100 Timestamp: 1541363435 Simplify mobility danger Check sign only after adding mobility danger term. STC LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 9090 W: 2001 L: 1856 D: 5233 Elo +5.54 http://tests.stockfishchess.org/tests/view/5bdc5ee10ebc595e0ae27bc2 LTC LLR: 2.94 (-2.94,2.94) [-3.00,1.00] Total: 123466 W: 19766 L: 19805 D: 83895 Elo -0.11 http://tests.stockfishchess.org/tests/view/5bdc678e0ebc595e0ae27cf3 bench: 3630207 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Stéphane Nicolet
Date: Fri Nov 2 22:08:26 2018 +0100 Timestamp: 1541192906 Rook tweaks in evaluation Some small changes in evaluation to try to convince Stockfish to centralize her rooks more in middle game and avoid trapping them in the corners. Joint work by SFisGOD and snicolet. STC: LLR: 2.96 (-2.94,2.94) [0.00,4.00] Total: 99826 W: 21895 L: 21341 D: 56590 Elo +1.93 http://tests.stockfishchess.org/tests/view/5bdc3e280ebc595e0ae277df LTC: LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 21467 W: 3541 L: 3322 D: 14604 Elo +3.54 http://tests.stockfishchess.org/tests/view/5bdc9ff30ebc595e0ae28119 Bench: 3631608 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Joost VandeVondele
Date: Thu Nov 1 16:00:56 2018 +0100 Timestamp: 1541084456 Fix issues from using adjustedDepth too broadly The recently committed Fail-High patch (081af9080542a0d076a5482da37103a96ee15f64) had a number of changes beyond adjusting the depth of search on fail high, with some undesirable side effects. 1) Decreasing depth on PV output, confusing GUIs and players alike as described in issue #1787. The depth printed is anyway a convention, let's consider adjustedDepth an implementation detail, and continue to print rootDepth. Depth, nodes, time and move quality all increase as we compute more. (fixing this output has no effect on play). 2) Fixes go depth output (now based on rootDepth again, no effect on play), also reported in issue #1787 3) The depth lastBestDepth is used to compute how long a move is stable, a new move found during fail-high is incorrectly considered stable if based on adjustedDepth instead of rootDepth (this changes time management). Reverting this passed STC and LTC: STC LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 82982 W: 17810 L: 17808 D: 47364 Elo +0.01 http://tests.stockfishchess.org/tests/view/5bd391a80ebc595e0ae1e993 LTC LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 109083 W: 17602 L: 17619 D: 73862 Elo -0.05 http://tests.stockfishchess.org/tests/view/5bd40c820ebc595e0ae1f1fb 4) In the thread voting scheme, the rank of the fail-high thread is now artificially low, incorrectly since the quality of the move is much better than what adjustedDepth suggests (e.g. if it takes 10 iterations to find VALUE_KNOWN_WIN, it has very low depth). Further evidence comes from a test that showed that the move of highest depth is not better than that of the last PV (which is potentially of much lower adjustedDepth). I.e. this test http://tests.stockfishchess.org/tests/view/5bd37a120ebc595e0ae1e7c3 failed SPRT[0, 5]: LLR: -2.95 (-2.94,2.94) [0.00,5.00] Total: 10609 W: 2266 L: 2345 D: 5998 Elo -2.59 In a running 5+0.05 th 8 test (more than 10000 games) a positive Elo estimate is shown (strong enough for a [-3,1], possibly not [0,4]): http://tests.stockfishchess.org/tests/view/5bd421be0ebc595e0ae1f315 LLR: -0.13 (-2.94,2.94) [0.00,4.00] Total: 13644 W: 2573 L: 2532 D: 8539 Elo +1.04 Elo 1.04 [-2.52,4.61] / LOS 71% Thus, restore old behavior as a bugfix, keeping the core of the fail-high patch idea as resolving scheme. This is non-functional for bench, but changes searches via time management and in the threaded case. Bench: 3556672 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: SFisGOD
Date: Thu Nov 1 15:39:19 2018 +0100 Timestamp: 1541083159 Combo Combo of two parameter tweaks and tuned values for Queen and ThreatByKing. STC LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 20180 W: 4439 L: 4198 D: 11543 Elo +4.15 http://tests.stockfishchess.org/tests/view/5bd7b8250ebc595e0ae22e97 LTC LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 86312 W: 14106 L: 13685 D: 58521 Elo +1.69 http://tests.stockfishchess.org/tests/view/5bd803560ebc595e0ae23213 This combo consists of the following: Queen Value (tuned values) Iter: 72056, A: 5000, alpha 0.602000, gamma 0.101000, clipping old, rounding deterministic param: QueenValueMg, best: 2528.91, start: 2528.00 param: QueenValueEg, best: 2687.12, start: 2698.00 ThreatByKing (tuned values) Green STC (50.8k games) http://tests.stockfishchess.org/tests/view/5bd1d5a00ebc595e0ae1cbec LTC (I stopped this test at 71.2k games. It's likely yellow.) http://tests.stockfishchess.org/tests/view/5bd263e70ebc595e0ae1d77e WeakUnopposedPawn (tweak) by xoto (https://github.com/xoto10) Green STC (102.8k games) http://tests.stockfishchess.org/tests/view/5bd306bb0ebc595e0ae1e146 Yellow LTC (90.8k games) http://tests.stockfishchess.org/tests/view/5bd3ea660ebc595e0ae1f16b aspiTune1 (tweak) by vondele (https://github.com/vondele) Green STC (125.9k games) http://tests.stockfishchess.org/tests/view/5bd2ae100ebc595e0ae1dab0 Yellow LTC (107.9k games) http://tests.stockfishchess.org/tests/view/5bd3eb700ebc595e0ae1f16f Thank you @31m059 (Mark Tenzer) for helping me! Also, thank you very much for recognizing my efforts. I genuinely appreciate it. Bench: 3556672 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Vizvezdenec
Date: Sat Oct 27 09:23:11 2018 +0200 Timestamp: 1540624991 Tweak of knight PSQT and mobility bonuses STC LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 16906 W: 3745 L: 3516 D: 9645 Elo +4.71 http://tests.stockfishchess.org/tests/view/5bd306a40ebc595e0ae1e144 LTC LLR: 2.96 (-2.94,2.94) [0.00,4.00] Total: 62779 W: 10249 L: 9901 D: 42629 Elo +1.93 http://tests.stockfishchess.org/tests/view/5bd3188f0ebc595e0ae1e296 Bench 3166402 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Guenther Demetz
Date: Thu Oct 25 23:08:06 2018 +0200 Timestamp: 1540501686 On main thread: reduce depth after fail high This helps resolving consecutive FH's during aspiration more efficiently STC: http://tests.stockfishchess.org/tests/view/5bc857920ebc592439f85765 LLR: 2.95 (-2.94,2.94) [0.00,5.00] Total: 4992 W: 1134 L: 980 D: 2878 Elo +10.72 LTC: http://tests.stockfishchess.org/tests/view/5bc868050ebc592439f857ef LLR: 2.95 (-2.94,2.94) [0.00,5.00] Total: 8123 W: 1363 L: 1210 D: 5550 Elo +6.54 No-Regression test with 8 threads, tc=15+0.15: http://tests.stockfishchess.org/tests/view/5bc874ca0ebc592439f85938 LLR: 2.94 (-2.94,2.94) [-3.00,1.00] Total: 24740 W: 3977 L: 3863 D: 16900 Elo +1.60 This was a cooperation between me and Michael Stembera: -me recognizing SF having problems with resolving FH's efficiently at high depths, thus starting some tests based on consecutive FH's. -mstembera picking up the idea with first success at STC & LTC (so full credits to him!) -me suggesting how to resolve the issues pinpointed by S.G on PR #1768 and finally restricting the logic to the main thread so that it don't regresses at multi-thread. bench: 3314347 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Peter Zsifkovits
Date: Thu Oct 25 23:03:25 2018 +0200 Timestamp: 1540501405 NUMA for 9 threads or more Enable numa machinery only for STRICTLY MORE than 8 threads. Reason for this change is that nowadays SMP tests are always done with 8 threads. That is a problem for multi-socket Windows machines running on fishtest. No functional change see source |