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mstembera 82bb21dc7a Optimize AVX2 path in NNUE evaluation 
always selecting AffineTransform specialization for small inputs.

A related patch was tested as

Initially tested as a simplification
STC https://tests.stockfishchess.org/tests/view/6317c3f437f41b13973d6dff
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 58072 W: 15619 L: 15425 D: 27028
Ptnml(0-2): 241, 6191, 15992, 6357, 255

Elo gain speedup test
STC https://tests.stockfishchess.org/tests/view/63181c1b37f41b13973d79dc
LLR: 2.94 (-2.94,2.94) <0.00,2.00>
Total: 184496 W: 49922 L: 49401 D: 85173
Ptnml(0-2): 851, 19397, 51208, 19964, 828

and this patch gained in testing

speedup        = +0.0071
P(speedup > 0) =  1.0000
on CPU: 16 x AMD Ryzen 9 3950X

closes https://github.com/official-stockfish/Stockfish/pull/4158

No functional change
2022-09-11 14:19:57 +02:00
..
incbin
Embed default net, and simplify using non-default nets
2020-08-29 21:56:00 +02:00
nnue
Optimize AVX2 path in NNUE evaluation
2022-09-11 14:19:57 +02:00
syzygy
Assorted small cleanups
2022-05-29 18:42:48 +02:00
benchmark.cpp
Tune FRC trapped Bishop patch
2022-01-09 15:49:19 +01:00
bitbase.cpp
Update copyright years
2022-01-06 15:45:45 +01:00
bitboard.cpp
Update copyright years
2022-01-06 15:45:45 +01:00
bitboard.h
Update copyright years
2022-01-06 15:45:45 +01:00
endgame.cpp
Update copyright years
2022-01-06 15:45:45 +01:00
endgame.h
Update copyright years
2022-01-06 15:45:45 +01:00
evaluate.cpp
Simplify the use of classical eval
2022-08-15 18:01:37 +02:00
evaluate.h
Update default net to nn-ad9b42354671.nnue
2022-07-13 18:01:20 +02:00
main.cpp
Update copyright years
2022-01-06 15:45:45 +01:00
Makefile
Provide network download fallback
2022-09-07 07:32:53 +02:00
material.cpp
Update copyright years
2022-01-06 15:45:45 +01:00
material.h
Update copyright years
2022-01-06 15:45:45 +01:00
misc.cpp
Restore development version
2022-04-18 23:05:24 +02:00
misc.h
Cleanup code
2022-08-12 14:29:40 +02:00
movegen.cpp
Update copyright years
2022-01-06 15:45:45 +01:00
movegen.h
Update copyright years
2022-01-06 15:45:45 +01:00
movepick.cpp
Tweak history updates
2022-08-06 13:50:01 +02:00
movepick.h
Tweak history updates
2022-08-06 13:50:01 +02:00
pawns.cpp
Tuning classical and NNUE scaling terms
2022-04-16 08:41:51 +02:00
pawns.h
Update copyright years
2022-01-06 15:45:45 +01:00
position.cpp
Make key_after() more consistent with key()
2022-08-17 19:56:15 +02:00
position.h
Make key_after() more consistent with key()
2022-08-17 19:56:15 +02:00
psqt.cpp
Update copyright years
2022-01-06 15:45:45 +01:00
psqt.h
Update copyright years
2022-01-06 15:45:45 +01:00
search.cpp
Do less singular extensions for former PVnode
2022-09-11 14:15:54 +02:00
search.h
Assorted small cleanups
2022-05-29 18:42:48 +02:00
thread_win32_osx.h
Update copyright years
2022-01-06 15:45:45 +01:00
thread.cpp
Report longest PV lines for multithreaded search
2022-08-15 17:46:27 +02:00
thread.h
Cleanup code
2022-08-12 14:29:40 +02:00
timeman.cpp
Update copyright years
2022-01-06 15:45:45 +01:00
timeman.h
Update copyright years
2022-01-06 15:45:45 +01:00
tt.cpp
Update copyright years
2022-01-06 15:45:45 +01:00
tt.h
Update copyright years
2022-01-06 15:45:45 +01:00
tune.cpp
Update copyright years
2022-01-06 15:45:45 +01:00
tune.h
Update copyright years
2022-01-06 15:45:45 +01:00
types.h
Assorted small cleanups
2022-05-29 18:42:48 +02:00
uci.cpp
Update WDL model for current SF
2022-08-06 13:57:30 +02:00
uci.h
Wording of help output and comments.
2022-06-07 08:30:07 +02:00
ucioption.cpp
Increase the maximum number of threads to 1024
2022-09-07 07:31:48 +02:00