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Author SHA1 Message Date
Tomasz Sobczykandnodchip f2ad307de3 Clarify the behaviour of execute_with_worker[s] 2020-10-20 19:19:32 +09:00
Tomasz Sobczykandnodchip 74af287637 Fix execute_with_workers test call in uci 2020-10-20 19:19:32 +09:00
Tomasz Sobczykandnodchip 71862e2ebb remove incorrect move in execute_with_workers 2020-10-20 19:19:32 +09:00
Tomasz Sobczykandnodchip fd229c0768 Fix races and UBs 2020-10-20 19:19:32 +09:00
Tomasz Sobczykandnodchip 97fb9a89e4 allow waiting for task completion. 2020-10-20 19:19:32 +09:00
Tomasz Sobczykandnodchip 5188c26b20 Allow execution of tasks on the global thread pool. 2020-10-20 19:19:32 +09:00
Tomasz Sobczykandnodchip 146a6b056e PascalCase -> snake_case for consistency with the rest of the codebase. 2020-10-19 18:37:23 +09:00
Tomasz Sobczykandnodchip 2398d34e87 Move string split to misc 2020-10-19 08:29:51 +09:00
Tomasz Sobczykandnodchip 69ea3d30b2 Move the extra new line to after check health. 2020-10-19 08:29:51 +09:00
Tomasz Sobczykandnodchip 9023edc3c8 Add missing includes. 2020-10-19 08:29:51 +09:00
Tomasz Sobczykandnodchip 77624addf2 Cleanup last ".." in include paths. 2020-10-19 08:29:51 +09:00
Tomasz Sobczykandnodchip 497f689aa3 Cleanup nnue 2020-10-19 08:29:51 +09:00
Tomasz Sobczykandnodchip c286f9cd7d Cleanup trainer. 2020-10-19 08:29:51 +09:00
Tomasz Sobczykandnodchip ea8eb415de Cleanup trainer features. 2020-10-18 22:24:24 +09:00
Tomasz Sobczykandnodchip 3041adb080 Cleanup layers. 2020-10-18 19:32:15 +09:00
Tomasz Sobczykandnodchip 0d4c3014ca Cleanup features. 2020-10-17 23:19:16 +09:00
Tomasz Sobczykandnodchip ca760c3a5b Cleanup architecture files. 2020-10-17 20:01:09 +09:00
Tomasz Sobczykandnodchip c93f8732bf Force Use NNUE to pure when learning. 2020-10-17 08:44:38 +09:00
Tomasz Sobczykandnodchip 3cf193a90e Properly handle cases in verify and init when SkipLoadingEval is set. 2020-10-17 08:44:38 +09:00
Tomasz Sobczykandnodchip 5db46d0c82 Verify whether there is a network being used during training. 2020-10-17 08:44:38 +09:00
Tomasz Sobczykandnodchip e503cc4ea8 Add one more empty line between progress reports. 2020-10-17 00:13:50 +09:00
Tomasz Sobczykandnodchip 5856237e3f Rename hirate to startpos 2020-10-16 09:07:02 +09:00
Tomasz Sobczykandnodchip 904adb9a32 Indentation consistency in learn folder 2020-10-15 22:11:31 +09:00
Tomasz Sobczykandnodchip 880d23af1c Move sfen input/output streams to sfen_stream.h 2020-10-15 20:37:03 +09:00
Tomasz Sobczykandnodchip 14f83ad7b9 Move public search/qsearch interface from namespace Learner to namespace Search 2020-10-15 20:37:03 +09:00
Tomasz Sobczykandnodchip 0494adeb2c Move nnue evaluation stuff from evaluate.h to nnue/evaluate_nnue.h 2020-10-15 20:37:03 +09:00
Tomasz Sobczykandnodchip 4a340ad3b2 Add docs for auto_lr_drop 2020-10-12 23:56:26 +09:00
Tomasz Sobczykandnodchip 4a2bf16b30 Add option "auto_lr_drop" that specifies the amount of positions from previous lr drop after which to reduce lr by newbob_decay. 2020-10-12 23:56:26 +09:00
Tomasz Sobczykandnodchip 7d62b3f799 Store additional bits for fullmove clock and 50 more rule halfmove clock at the end of the bit stream. This change keeps backwards compatibility. 2020-10-11 20:59:27 +09:00
Tomasz Sobczykandnodchip de20887e11 Update readme. Link to docs. 2020-10-10 14:37:51 +09:00
Tomasz Sobczykandnodchip 2af4bf7eac Move the docs folder one above, it was in src by mistake. 2020-10-10 14:37:51 +09:00
Tomasz Sobczykandnodchip ef57ac78a3 Print gensfen speed when outputting status. 2020-10-09 08:14:48 +09:00
Joost VandeVondeleandnodchip adddf339bb Output sfens/second in the trainer, to track performance more easily 2020-10-08 08:29:42 +09:00
Tomasz Sobczykandnodchip 3f55b3af42 Change some gensfen parameter defaults. 2020-10-07 23:09:33 +09:00
Tomasz Sobczykandnodchip 8830209125 Change some learn parameter defaults. 2020-10-07 23:09:33 +09:00
Tomasz Sobczykandnodchip 2e57f3fa22 Switch to set recommended learn UCI options 2020-10-07 23:09:33 +09:00
Tomasz Sobczykandnodchip d1c44dca04 Switch to set recommended gensfen UCI options 2020-10-07 23:09:33 +09:00
Tomasz Sobczykandnodchip 5fa28b12fa Allow setting UCI options programmatically. 2020-10-07 23:09:33 +09:00
Tomasz Sobczykandnodchip 80cbc3ffee Fix grammar and spelling. Add recommendations for UCI options. 2020-10-07 16:08:26 +09:00
Tomasz Sobczykandnodchip 31f9d66f12 Initial documentation for learn, gensfen, convert, and binpack. 2020-10-07 16:08:26 +09:00
noobpwnftwandnodchip 91cb4a6770 Skip eval dampening in Use NNUE = pure case 2020-10-03 19:31:21 +09:00
noobpwnftwandnodchip 6f7a228707 Minor cleanups 
Remove unused code and magic numbers
 2020-10-01 16:52:20 +09:00
Joost VandeVondeleandnodchip f848d67341 Use fair scheduling of threads under valgrind 
fixes some rare case where the master search thread makes no progress,
observed in CI.
 2020-10-01 09:36:44 +09:00
nodchipandGitHub b889debfb5 Merge pull request #171 from noobpwnftw/sf_merge 
Merge SFdev
 2020-09-30 10:18:41 +09:00
noobpwnftw d865159bd6 Fix variable initialization in test commands 2020-09-29 17:30:08 +08:00
noobpwnftw a8b502a975 Merge remote-tracking branch 'remotes/origin/master' 
Bench: 3618595
 2020-09-29 17:09:14 +08:00
noobpwnftwandnodchip b44d539c94 Fix a bug that LR is not correctly scaled when initial LR is not 1.0 2020-09-29 16:18:42 +09:00
Stéphane NicoletandJoost VandeVondele 5af09cfda5 Include pawns in NNUE scaling 
We now include the total pawn count in the scaling factor for the output
of the NNUE evaluation network. This should have the effect of trying to
keep more pawns when SF has the advantage, but exchange them when she
is defending.

Thanks to Alexander Pagel (Lolligerhans) for the idea of using the
value of pawns to ease the comparison with the rest of the material
estimation.

Passed STC:
LLR: 2.93 (-2.94,2.94) {-0.25,1.25}
Total: 15072 W: 1700 L: 1539 D: 11833
Ptnml(0-2): 65, 1202, 4845, 1355, 69
https://tests.stockfishchess.org/tests/view/5f7235a63b22d6afa50699b3

Passed LTC:
LLR: 2.93 (-2.94,2.94) {0.25,1.25}
Total: 25880 W: 1270 L: 1124 D: 23486
Ptnml(0-2): 23, 980, 10788, 1126, 23
https://tests.stockfishchess.org/tests/view/5f723b483b22d6afa5069a99

closes https://github.com/official-stockfish/Stockfish/pull/3164

Bench: 3776081
 2020-09-28 22:42:26 +02:00
Stefan GeschwentnerandJoost VandeVondele 6f0aa186d8 Tweak reduction formula. 
Replace log(i) with log(i + 0.25 * log(i)). This increases especially for low values the reductions. But for bigger values there are nearly no changes.

STC:
LLR: 2.94 (-2.94,2.94) {-0.25,1.25}
Total: 49640 W: 5505 L: 5289 D: 38846
Ptnml(0-2): 270, 4074, 15924, 4274, 278
https://tests.stockfishchess.org/tests/view/5f71f04d3b22d6afa5069478

LTC:
LLR: 2.94 (-2.94,2.94) {0.25,1.25}
Total: 43856 W: 2209 L: 2021 D: 39626
Ptnml(0-2): 32, 1776, 18128, 1956, 36
https://tests.stockfishchess.org/tests/view/5f7232ee3b22d6afa50699a2

closes https://github.com/official-stockfish/Stockfish/pull/3163

Bench: 3555769
 2020-09-28 22:34:25 +02:00
SFisGODandJoost VandeVondele 5efbaaba77 Update default net to nn-baeb9ef2d183.nnue 
Further optimization of Sergio's nn-03744f8d56d8.nnue
This patch is the result of collaboration with Joost VandeVondele.

STC:
LLR: 2.96 (-2.94,2.94) {-0.25,1.25}
Total: 37000 W: 4145 L: 3947 D: 28908
Ptnml(0-2): 191, 3016, 11912, 3166, 215
https://tests.stockfishchess.org/tests/view/5f71e7983b22d6afa5069475

LTC:
LLR: 2.96 (-2.94,2.94) {0.25,1.25}
Total: 60224 W: 2992 L: 2769 D: 54463
Ptnml(0-2): 48, 2420, 24956, 2637, 51
https://tests.stockfishchess.org/tests/view/5f722bb83b22d6afa506998f

closes https://github.com/official-stockfish/Stockfish/pull/3161

Bench: 3720073
 2020-09-28 22:29:31 +02:00