stockfish-nnue-2020-07-10

stockfish-nnue-2020-07-10

filename	CPU instructions	Supported CPUs
sse2	Intel Streaming SIMD Extensions 2	< Core 2 Duo (Merom)
ssse3	Intel Supplemental Streaming SIMD Extensions 3	>= Core 2 Duo (Merom)
sse41	Intel Streaming SIMD Extensions 4.1	>= Core 2 Duo (Penryn)
sse42	Intel Streaming SIMD Extensions 4.2	>= Core i7 (Bloomfield)
avx2	Intel Advanced Vector Extensions 2	Modern AMD Processors
bmi2	Intel Advanced Vector Extensions 2	>= Core i7 (Haswell)

filename	network
no-nnue	No neural networks included.
halfkp_256x2-32-32	halfkp_256x2-32-32
halfkp_384x2-32-32	halfkp_384x2-32-32

filename	usage
nnue-gen-sfen-from-original-eval	training data generator.
nnue	chess engine
nnue-learn	training data generator + trainer with blas (training is fast)

Changes:

• Changed to load a net file when a ucinewgame command comes, or EvalFile is set. Thank you, joergoster.
• Changed the EvalDir option to EvalFile. Thank you, FireFather.
• Enabled the convert_plain command. Thank you, tttak.
• Added binaries which support SSE2, SSSE3, SSE4.1, SSE4.2, AVX2 and BMI2. Thank you, discord is a piece of XXXX.
• Added binaries which support halfkp_384x2-32-32.
• Unified the nnue-learn and nnue-learn-use-blas into nnue-learn-use-blas.

The nn parameter file is not included in this release. Please find the strongest nn parameter file in the #sf-nnue-dev channge in the Stockfish unofficial Discord server (https://discord.gg/7EyHBCN).