| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: evqsx
Date: Sun Jun 23 11:37:32 2024 +0200 Timestamp: 1719135452 Simplify static exchange evaluation pruning formula Passed STC: https://tests.stockfishchess.org/tests/view/666bda31602682471b064e1f LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 141696 W: 36932 L: 36826 D: 67938 Elo +0.26 Ptnml(0-2): 510, 16880, 35989, 16932, 537 Passed LTC: https://tests.stockfishchess.org/tests/view/666e6b67602682471b064f4b LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 159504 W: 40552 L: 40471 D: 78481 Elo +0.18 Ptnml(0-2): 130, 18160, 43103, 18217, 142 closes https://github.com/official-stockfish/Stockfish/pull/5400 bench: 1084115 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Sun Jun 23 11:35:50 2024 +0200 Timestamp: 1719135350 CI/CD: play games this action plays games under fast-chess with a `debug=yes` compiled binary. It checks for triggered asserts in the code, or generally for engine disconnects. closes https://github.com/official-stockfish/Stockfish/pull/5403 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: xoto10
Date: Sun Jun 23 11:29:02 2024 +0200 Timestamp: 1719134942 Consider wider range of moves near leaves. try to avoid missing good moves for opponent or engine, by updating bestMove also when value == bestValue (i.e. value == alpha) under certain conditions. In particular require this is at higher depth in the tree, leaving the logic near the root unchanged, and only apply randomly. Avoid doing this near mate scores, leaving mate PVs intact. Passed SMP STC 6+0.06 th7 : LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 42040 W: 10930 L: 10624 D: 20486 Elo +2.53 Ptnml(0-2): 28, 4682, 11289, 4998, 23 https://tests.stockfishchess.org/tests/view/66608b00c340c8eed7757d1d Passed SMP LTC 24+0.24 th7 : LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 73692 W: 18978 L: 18600 D: 36114 Elo +1.78 Ptnml(0-2): 9, 7421, 21614, 7787, 15 https://tests.stockfishchess.org/tests/view/666095e8c340c8eed7757d49 closes https://github.com/official-stockfish/Stockfish/pull/5367 Bench 1205168 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: FauziAkram
Date: Sat Jun 15 12:13:59 2024 +0200 Timestamp: 1718446439 Tweak the reduction formula Tweak the reduction formula if position is or has been on the PV Taking inspiration from an old Viren test. Passed STC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 78528 W: 20607 L: 20225 D: 37696 Elo +1.69 Ptnml(0-2): 262, 9297, 19785, 9637, 283 https://tests.stockfishchess.org/tests/view/666339c70ff7cb4868d1fe24 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 138630 W: 35666 L: 35132 D: 67832 Elo +1.34 Ptnml(0-2): 118, 15345, 37835, 15919, 98 https://tests.stockfishchess.org/tests/view/66645dec0612cd151f9e77b0 closes https://github.com/official-stockfish/Stockfish/pull/5385 Bench: 1134281 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Dubslow
Date: Sat Jun 15 12:10:49 2024 +0200 Timestamp: 1718446249 Fix readability of TTEntry occupancy check Passed STC: https://tests.stockfishchess.org/tests/view/66695b6a602682471b064cfc LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 107520 W: 28138 L: 27998 D: 51384 Elo +0.45 Ptnml(0-2): 373, 12257, 28358, 12401, 371 closes https://github.com/official-stockfish/Stockfish/pull/5394 No functional change see source |
| Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Sat Jun 15 12:08:29 2024 +0200 Timestamp: 1718446109 Fix upperbound/lowerbound output in multithreaded case In case a stop is received during multithreaded searches, the PV of the best thread might be printed without the correct upperbound/lowerbound indicators. This was due to the pvIdx variable being incremented after receiving the stop. passed STC: https://tests.stockfishchess.org/tests/view/666985da602682471b064d08 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 196576 W: 51039 L: 50996 D: 94541 Elo +0.08 Ptnml(0-2): 760, 22545, 51603, 22652, 728 closes https://github.com/official-stockfish/Stockfish/pull/5391 Bench: 1160467 see source |
| Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Sat Jun 15 12:06:45 2024 +0200 Timestamp: 1718446005 Add matetrack to CI verifies that all mate PVs printed for finished iterations (i.e. no lower or upper bounds), are complete, i.e. of the expected length and ending in mate, and do not contain drawing or illegal moves. based on a set of 2000 positions and the code in https://github.com/vondele/matetrack closes https://github.com/official-stockfish/Stockfish/pull/5390 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Tomasz Sobczyk
Date: Sat Jun 15 12:04:16 2024 +0200 Timestamp: 1718445856 Fix printing of empty info strings. Handle printing of `info string` in a single place. Fixes #5386 closes https://github.com/official-stockfish/Stockfish/pull/5387 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Sat Jun 15 12:02:56 2024 +0200 Timestamp: 1718445776 Limit depth after extensions to avoid asserts. currently extensions can cause depth to exceed MAX_PLY. This triggers the assert near line 542 in search when running a binary compiled with `debug=yes` on a testcase like: ``` position fen 7K/P1p1p1p1/2P1P1Pk/6pP/3p2P1/1P6/3P4/8 w - - 0 1 go nodes 1000000 ``` passed STC https://tests.stockfishchess.org/tests/view/6668a56a602682471b064c8d LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 143936 W: 37338 L: 37238 D: 69360 Elo +0.24 Ptnml(0-2): 514, 16335, 38149, 16477, 493 closes https://github.com/official-stockfish/Stockfish/pull/5383 Bench: 1160467 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Linmiao Xu
Date: Wed Jun 12 09:17:04 2024 +0200 Timestamp: 1718176624 Give positional output more weight in nnue eval This effectively reverts the removal of delta in: https://github.com/official-stockfish/Stockfish/pull/5373 Passed STC: https://tests.stockfishchess.org/tests/view/6664d41922234461cef58e6b LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 56448 W: 14849 L: 14500 D: 27099 Elo +2.15 Ptnml(0-2): 227, 6481, 14457, 6834, 225 Passed LTC: https://tests.stockfishchess.org/tests/view/666587a1996b40829f4ee007 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 91686 W: 23402 L: 22963 D: 45321 Elo +1.66 Ptnml(0-2): 78, 10205, 24840, 10640, 80 closes https://github.com/official-stockfish/Stockfish/pull/5382 bench 1160467 see source |
| Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Disservin
Date: Wed Jun 12 09:17:04 2024 +0200 Timestamp: 1718176624 Move options into the engine Move the engine options into the engine class, also avoid duplicated initializations after startup. UCIEngine needs to register an add_listener to listen to all option changes and print these. Also avoid a double initialization of the TT, which was the case with the old state. closes https://github.com/official-stockfish/Stockfish/pull/5356 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Dubslow
Date: Wed Jun 12 09:17:04 2024 +0200 Timestamp: 1718176624 Simplify TT interface and avoid changing TT info This commit builds on the work and ideas of #5345, #5348, and #5364. Place as much as possible of the TT implementation in tt.cpp, rather than in the header. Some commentary is added to better document the public interface. Fix the search read-TT races, or at least contain them to within TT methods only. Passed SMP STC: https://tests.stockfishchess.org/tests/view/666134ab91e372763104b443 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 512552 W: 132387 L: 132676 D: 247489 Elo -0.20 Ptnml(0-2): 469, 58429, 138771, 58136, 471 The unmerged version has bench identical to the other PR (see also #5348) and therefore those same-functionality tests: SMP LTC: https://tests.stockfishchess.org/tests/view/665c7021fd45fb0f907c214a SMP LTC: https://tests.stockfishchess.org/tests/view/665d28a7fd45fb0f907c5495 closes https://github.com/official-stockfish/Stockfish/pull/5369 bench 1205675 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Wed Jun 12 09:03:32 2024 +0200 Timestamp: 1718175812 Keep mate PVs intact. do not return a cutoff value in razoring if that value is in the mate/tb range. passed STC: https://tests.stockfishchess.org/tests/view/666381880ff7cb4868d1fe58 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 130848 W: 34046 L: 33931 D: 62871 Elo +0.31 Ptnml(0-2): 429, 14968, 34524, 15065, 438 passed LTC: https://tests.stockfishchess.org/tests/view/66643f120612cd151f9e7788 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 39702 W: 10157 L: 9959 D: 19586 Elo +1.73 Ptnml(0-2): 20, 4108, 11402, 4296, 25 closes https://github.com/official-stockfish/Stockfish/pull/5379 Bench: 1174094 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: cj5716
Date: Sat Jun 8 23:40:22 2024 +0200 Timestamp: 1717882822 Make repeated bench runs identical fixes https://github.com/official-stockfish/Stockfish/issues/5376 closes https://github.com/official-stockfish/Stockfish/pull/5377 No functional changes see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: evqsx
Date: Sat Jun 8 23:39:46 2024 +0200 Timestamp: 1717882786 Remove the correction history bonus in null move search Passed STC: https://tests.stockfishchess.org/tests/view/666168e191e372763104c664 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 94848 W: 24708 L: 24550 D: 45590 Elo +0.58 Ptnml(0-2): 289, 11355, 24033, 11403, 344 Passed LTC: https://tests.stockfishchess.org/tests/view/6661e73591e372763104c751 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 70452 W: 17849 L: 17679 D: 34924 Elo +0.84 Ptnml(0-2): 27, 7707, 19596, 7861, 35 closes https://github.com/official-stockfish/Stockfish/pull/5375 Bench: 1174094 see source |
| Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Dubslow
Date: Sat Jun 8 23:35:00 2024 +0200 Timestamp: 1717882500 Linearize corrHist Passed STC: https://tests.stockfishchess.org/tests/view/6661fff88dd8f31ed3c5d819 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 17504 W: 4651 L: 4406 D: 8447 Elo +4.86 Ptnml(0-2): 71, 1975, 4384, 2282, 40 Passed LTC: https://tests.stockfishchess.org/tests/view/666205b48dd8f31ed3c61296 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 24522 W: 6313 L: 6094 D: 12115 Elo +3.10 Ptnml(0-2): 14, 2643, 6726, 2866, 12 closes https://github.com/official-stockfish/Stockfish/pull/5374 Bench: 1237729 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Dubslow
Date: Sat Jun 8 23:34:03 2024 +0200 Timestamp: 1717882443 Remove delta from evaluation Passed STC: https://tests.stockfishchess.org/tests/view/6660e49c6489614cdad14e29 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 188768 W: 48907 L: 48854 D: 91007 Elo +0.10 Ptnml(0-2): 584, 22571, 48005, 22656, 568 Passed LTC: https://tests.stockfishchess.org/tests/view/6660ff9791e372763104b38c LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 310680 W: 78651 L: 78727 D: 153302 Elo -0.08 Ptnml(0-2): 180, 34818, 85433, 34716, 193 closes https://github.com/official-stockfish/Stockfish/pull/5373 Bench: 1214575 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Tomasz Sobczyk
Date: Sat Jun 8 23:32:27 2024 +0200 Timestamp: 1717882347 NumaPolicy fixes and robustness improvements 1. Fix GetProcessGroupAffinity still not getting properly aligned memory sometimes. 2. Fix a very theoretically possible heap corruption if GetActiveProcessorGroupCount changes between calls. 3. Fully determine affinity on Windows 11 and Windows Server 2022. It should only ever be indeterminate in case of an error. 4. Separate isDeterminate for old and new API, as they are &'d together we still can end up with a subset of processors even if one API is indeterminate. 5. likely_used_old_api() that is based on actual affinity that's been detected 6. IMPORTANT: Gather affinities at startup, so that we only later use the affinites set at startup. Not only does this prevent us from our own calls interfering with detection but it also means subsequent setoption NumaPolicy calls should behave as expected. 7. Fix ERROR_INSUFFICIENT_BUFFER from GetThreadSelectedCpuSetMasks being treated like an error. Should resolve https://github.com/vondele/Stockfish/commit/02ff76630b358e5f958793cc93df0009d2da65a5#commitcomment-142790025 closes https://github.com/official-stockfish/Stockfish/pull/5372 Bench: 1231853 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 + SSSE3 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: FauziAkram
Date: Sat Jun 8 23:28:07 2024 +0200 Timestamp: 1717882087 Tweak pruning formula Tweak pruning formula, including a constant. I started from an old yellow patch, if I'm not mistaken by Viz (Unfortunately I lost the link) where he tried something similar. I worked on it, trying different variations, until I came up with a good configuration to pass. Passed STC: LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 213120 W: 55351 L: 54778 D: 102991 Elo +0.93 Ptnml(0-2): 572, 25209, 54437, 25758, 584 https://tests.stockfishchess.org/tests/view/6660c9a7c340c8eed7758195 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 315324 W: 80176 L: 79284 D: 155864 Elo +0.98 Ptnml(0-2): 155, 34711, 87030, 35619, 147 https://tests.stockfishchess.org/tests/view/6660d7bb6489614cdad13d66 closes https://github.com/official-stockfish/Stockfish/pull/5370 Bench: 1231853 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: rn5f107s2
Date: Sat Jun 8 23:10:59 2024 +0200 Timestamp: 1717881059 Simplify razor changes Remove razoring changes from https://github.com/official-stockfish/Stockfish/pull/5360 The mentioned patch introduced the usage of futility_margin into razoring alongside a tune to futility_margin. It seems the elo gained in this patch comes from the tune of futility_margin and not the introduction of futility_margin to razoring, so simplify it away here. Passed Non-regression STC: https://tests.stockfishchess.org/tests/view/66606581c340c8eed7757bc8 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 169056 W: 43922 L: 43848 D: 81286 Elo +0.15 Ptnml(0-2): 438, 20288, 43034, 20298, 470 Passed Non-regression LTC: https://tests.stockfishchess.org/tests/view/66607764c340c8eed7757c58 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 157134 W: 39805 L: 39723 D: 77606 Elo +0.18 Ptnml(0-2): 74, 17444, 43461, 17502, 86 Passed rebased Non-regression LTC: https://tests.stockfishchess.org/tests/view/6660c696c340c8eed77580c0 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 135984 W: 34427 L: 34324 D: 67233 Elo +0.26 Ptnml(0-2): 67, 15063, 37615, 15194, 53 closes https://github.com/official-stockfish/Stockfish/pull/5366 Bench: 1150518 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Disservin
Date: Sat Jun 8 23:09:02 2024 +0200 Timestamp: 1717880942 Workaround the clang-format inconsistencies closes https://github.com/official-stockfish/Stockfish/pull/5378 No functional change see source |
| Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: R-Goc
Date: Sat Jun 8 23:05:56 2024 +0200 Timestamp: 1717880756 Change PGO type for clang Change type of PGO in clang to IR which is recommended by LLVM/clang and could result in a speedup. https://github.com/llvm/llvm-project/issues/45668 closes https://github.com/official-stockfish/Stockfish/pull/5355 No functional change see source |
| Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: cj5716
Date: Wed Jun 5 21:49:29 2024 +0200 Timestamp: 1717616969 Simplify evaluation constants Passed STC (<0, 2> by accident): LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 346016 W: 89529 L: 88756 D: 167731 Elo +0.78 Ptnml(0-2): 1012, 41074, 88027, 41919, 976 https://tests.stockfishchess.org/tests/view/6659d6ecf426908fcc6b6929 Passed LTC: LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 89862 W: 22887 L: 22734 D: 44241 Elo +0.59 Ptnml(0-2): 45, 9999, 24694, 10144, 49 https://tests.stockfishchess.org/tests/view/665a6ebb062b2c3cf814fde8 Passed LTC (Rebased): LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 325500 W: 82734 L: 82826 D: 159940 Elo -0.10 Ptnml(0-2): 193, 36409, 89665, 36263, 220 https://tests.stockfishchess.org/tests/view/665bd39f44e8416a9cdc1909 closes https://github.com/official-stockfish/Stockfish/pull/5361 Bench 961982 see source |
| Windows x64 for modern computers Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Disservin
Date: Wed Jun 5 21:41:43 2024 +0200 Timestamp: 1717616503 Update clang-format to version 18 clang-format-18 is available in ubuntu noble(24.04), if you are on a version lower than that you can use the update script from llvm. https://apt.llvm.org/ Windows users should be able to download and use clang-format from their release builds https://github.com/llvm/llvm-project/releases or get the latest from msys2 https://packages.msys2.org/package/mingw-w64-x86_64-clang. macOS users can resort to "brew install clang-format". closes https://github.com/official-stockfish/Stockfish/pull/5365 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Viren6
Date: Wed Jun 5 21:33:46 2024 +0200 Timestamp: 1717616026 Use futility margin in razoring margin Uses futilityMargin * depth to set the razoring margin. This retains the quadratic depth scaling to preserve mate finding capabilities. This patch is nice because it increases the elo sensitivity of the futility margin heuristics. Passed STC: https://tests.stockfishchess.org/tests/view/665f9892fd11ae7170b4849c LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 39392 W: 10348 L: 10030 D: 19014 Elo +2.80 Ptnml(0-2): 99, 4585, 10009, 4905, 98 Passed LTC: https://tests.stockfishchess.org/tests/view/665f9d2dfd11ae7170b484a8 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 107910 W: 27521 L: 27053 D: 53336 Elo +1.51 Ptnml(0-2): 73, 11835, 29670, 12305, 72 closes https://github.com/official-stockfish/Stockfish/pull/5360 bench 1277173 see source |