/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
- Copyright (C) 2004-2021 The Stockfish developers (see AUTHORS file)
+ Copyright (C) 2004-2022 The Stockfish developers (see AUTHORS file)
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "nnue_common.h"
-#include "features/half_ka_v2.h"
+#include "features/half_ka_v2_hm.h"
#include "layers/input_slice.h"
#include "layers/affine_transform.h"
namespace Stockfish::Eval::NNUE {
// Input features used in evaluation function
- using FeatureSet = Features::HalfKAv2;
+ using FeatureSet = Features::HalfKAv2_hm;
// Number of input feature dimensions after conversion
- constexpr IndexType TransformedFeatureDimensions = 512;
+ constexpr IndexType TransformedFeatureDimensions = 1024;
constexpr IndexType PSQTBuckets = 8;
constexpr IndexType LayerStacks = 8;
// Define network structure
using InputLayer = InputSlice<TransformedFeatureDimensions * 2>;
- using HiddenLayer1 = ClippedReLU<AffineTransform<InputLayer, 16>>;
+ using HiddenLayer1 = ClippedReLU<AffineTransform<InputLayer, 8>>;
using HiddenLayer2 = ClippedReLU<AffineTransform<HiddenLayer1, 32>>;
using OutputLayer = AffineTransform<HiddenLayer2, 1>;