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Unify naming convention of the NNUE code

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matches the rest of the stockfish code base

closes https://github.com/official-stockfish/Stockfish/pull/3437

No functional change
This commit is contained in:
Tomasz Sobczyk
2021-04-19 19:50:19 +02:00
committed by Joost VandeVondele
parent a7ab92ec25
commit fbbd4adc3c
17 changed files with 364 additions and 370 deletions
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src/nnue/nnue_common.h
+16 -19
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@@ -46,30 +46,30 @@
namespace Stockfish::Eval::NNUE {
// Version of the evaluation file
constexpr std::uint32_t kVersion = 0x7AF32F16u;
constexpr std::uint32_t Version = 0x7AF32F16u;
// Constant used in evaluation value calculation
constexpr int FV_SCALE = 16;
constexpr int kWeightScaleBits = 6;
constexpr int OutputScale = 16;
constexpr int WeightScaleBits = 6;
// Size of cache line (in bytes)
constexpr std::size_t kCacheLineSize = 64;
constexpr std::size_t CacheLineSize = 64;
// SIMD width (in bytes)
#if defined(USE_AVX2)
constexpr std::size_t kSimdWidth = 32;
constexpr std::size_t SimdWidth = 32;
#elif defined(USE_SSE2)
constexpr std::size_t kSimdWidth = 16;
constexpr std::size_t SimdWidth = 16;
#elif defined(USE_MMX)
constexpr std::size_t kSimdWidth = 8;
constexpr std::size_t SimdWidth = 8;
#elif defined(USE_NEON)
constexpr std::size_t kSimdWidth = 16;
constexpr std::size_t SimdWidth = 16;
#endif
constexpr std::size_t kMaxSimdWidth = 32;
constexpr std::size_t MaxSimdWidth = 32;
// unique number for each piece type on each square
enum {
@@ -84,19 +84,16 @@ namespace Stockfish::Eval::NNUE {
PS_B_ROOK = 7 * SQUARE_NB + 1,
PS_W_QUEEN = 8 * SQUARE_NB + 1,
PS_B_QUEEN = 9 * SQUARE_NB + 1,
PS_W_KING = 10 * SQUARE_NB + 1,
PS_END = PS_W_KING, // pieces without kings (pawns included)
PS_B_KING = 11 * SQUARE_NB + 1,
PS_END2 = 12 * SQUARE_NB + 1
PS_NB = 10 * SQUARE_NB + 1
};
constexpr uint32_t kpp_board_index[COLOR_NB][PIECE_NB] = {
constexpr uint32_t PieceSquareIndex[COLOR_NB][PIECE_NB] = {
// convention: W - us, B - them
// viewed from other side, W and B are reversed
{ PS_NONE, PS_W_PAWN, PS_W_KNIGHT, PS_W_BISHOP, PS_W_ROOK, PS_W_QUEEN, PS_W_KING, PS_NONE,
PS_NONE, PS_B_PAWN, PS_B_KNIGHT, PS_B_BISHOP, PS_B_ROOK, PS_B_QUEEN, PS_B_KING, PS_NONE },
{ PS_NONE, PS_B_PAWN, PS_B_KNIGHT, PS_B_BISHOP, PS_B_ROOK, PS_B_QUEEN, PS_B_KING, PS_NONE,
PS_NONE, PS_W_PAWN, PS_W_KNIGHT, PS_W_BISHOP, PS_W_ROOK, PS_W_QUEEN, PS_W_KING, PS_NONE }
{ PS_NONE, PS_W_PAWN, PS_W_KNIGHT, PS_W_BISHOP, PS_W_ROOK, PS_W_QUEEN, PS_NONE, PS_NONE,
PS_NONE, PS_B_PAWN, PS_B_KNIGHT, PS_B_BISHOP, PS_B_ROOK, PS_B_QUEEN, PS_NONE, PS_NONE },
{ PS_NONE, PS_B_PAWN, PS_B_KNIGHT, PS_B_BISHOP, PS_B_ROOK, PS_B_QUEEN, PS_NONE, PS_NONE,
PS_NONE, PS_W_PAWN, PS_W_KNIGHT, PS_W_BISHOP, PS_W_ROOK, PS_W_QUEEN, PS_NONE, PS_NONE }
};
// Type of input feature after conversion
@@ -105,7 +102,7 @@ namespace Stockfish::Eval::NNUE {
// Round n up to be a multiple of base
template <typename IntType>
constexpr IntType CeilToMultiple(IntType n, IntType base) {
constexpr IntType ceil_to_multiple(IntType n, IntType base) {
return (n + base - 1) / base * base;
}