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Code Issues Releases Wiki Activity

Retire CACHE_LINE_ALIGNMENT

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Speed tests showed no benefit.

No functional change.

Resolves #97
This commit is contained in:
lucasart 2014-11-07 14:26:23 -05:00 • committed by Gary Linscott
parent 8e98bd616e
commit 375797d51c
4 changed files with 0 additions and 15 deletions
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4
src/bitboard.cpp
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@ -24,8 +24,6 @@
#include "bitcount.h"
#include "rkiss.h"
CACHE_LINE_ALIGNMENT
Bitboard RMasks[SQUARE_NB];
Bitboard RMagics[SQUARE_NB];
Bitboard* RAttacks[SQUARE_NB];
@ -58,8 +56,6 @@ namespace {
const uint64_t DeBruijn_64 = 0x3F79D71B4CB0A89ULL;
const uint32_t DeBruijn_32 = 0x783A9B23;
CACHE_LINE_ALIGNMENT
int MS1BTable[256];
Square BSFTable[SQUARE_NB];
Bitboard RTable[0x19000]; // Storage space for rook attacks

2
src/bitboard.h
View file

@ -57,8 +57,6 @@ const Bitboard Rank6BB = Rank1BB << (8 * 5);
const Bitboard Rank7BB = Rank1BB << (8 * 6);
const Bitboard Rank8BB = Rank1BB << (8 * 7);
CACHE_LINE_ALIGNMENT
extern Bitboard RMasks[SQUARE_NB];
extern Bitboard RMagics[SQUARE_NB];
extern Bitboard* RAttacks[SQUARE_NB];

2
src/position.cpp
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@ -34,8 +34,6 @@
using std::string;
CACHE_LINE_ALIGNMENT
Value PieceValue[PHASE_NB][PIECE_NB] = {
{ VALUE_ZERO, PawnValueMg, KnightValueMg, BishopValueMg, RookValueMg, QueenValueMg },
{ VALUE_ZERO, PawnValueEg, KnightValueEg, BishopValueEg, RookValueEg, QueenValueEg } };

7
src/types.h
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@ -65,11 +65,6 @@
# endif
#define CACHE_LINE_SIZE 64
#if defined(_MSC_VER) || defined(__INTEL_COMPILER)
# define CACHE_LINE_ALIGNMENT __declspec(align(CACHE_LINE_SIZE))
#else
# define CACHE_LINE_ALIGNMENT __attribute__ ((aligned(CACHE_LINE_SIZE)))
#endif
#ifdef _MSC_VER
# define FORCE_INLINE __forceinline
@ -326,8 +321,6 @@ inline Score operator/(Score s, int i) {
return make_score(mg_value(s) / i, eg_value(s) / i);
}
CACHE_LINE_ALIGNMENT
extern Value PieceValue[PHASE_NB][PIECE_NB];
struct ExtMove {