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mstemberaandDisservin ce7254b5ea Optimize find_nnz() using AVX512 
About a 1% speedup for ARCH x86-64-avx512 and x86-64-vnni512.

Note:  This could be optimized further if we wanted to add an ARCH
supporting VBMI2 which is even more modern than VNNI.

https://en.wikichip.org/wiki/x86/avx512_vbmi2

closes https://github.com/official-stockfish/Stockfish/pull/6139

No functional change
2025-07-02 18:41:45 +02:00
..
features
Move SIMD code to a separate header
2025-05-25 20:52:57 +02:00
layers
Optimize find_nnz() using AVX512
2025-07-02 18:41:45 +02:00
network.cpp
Remove manual stack alignment workaround for GCC < 9.3
2025-04-26 22:15:08 +02:00
network.h
Move SIMD code to a separate header
2025-05-25 20:52:57 +02:00
nnue_accumulator.cpp
Move SIMD code to a separate header
2025-05-25 20:52:57 +02:00
nnue_accumulator.h
Move SIMD code to a separate header
2025-05-25 20:52:57 +02:00
nnue_architecture.h
Move SIMD code to a separate header
2025-05-25 20:52:57 +02:00
nnue_common.h
Remove unused threatenedPieces
2025-06-02 21:24:38 +02:00
nnue_feature_transformer.h
Move SIMD code to a separate header
2025-05-25 20:52:57 +02:00
nnue_misc.cpp
Remove non-functional accumulator reset
2025-04-26 21:30:01 +02:00
nnue_misc.h
Replace hint_common_parent_position() by backwards accumulator updates
2025-02-24 19:01:23 +01:00
simd.h
Remove nnz lookup table load optimization
2025-06-02 21:21:54 +02:00