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Simplify away ValueListInserter

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plus minor cleanups

STC: https://tests.stockfishchess.org/tests/view/616f059b40f619782fd4f73f
LLR: 2.94 (-2.94,2.94) <-2.50,0.50>
Total: 84992 W: 21244 L: 21197 D: 42551
Ptnml(0-2): 279, 9005, 23868, 9078, 266

closes https://github.com/official-stockfish/Stockfish/pull/3749

No functional change
This commit is contained in:
mstembera
2021-10-19 10:49:02 -07:00
committed by Joost VandeVondele
parent 8a8640a761
commit 644f6d4790
4 changed files with 24 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/nnue/features/half_ka_v2_hm.h
+12 -10
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@@ -50,7 +50,7 @@ namespace Stockfish::Eval::NNUE::Features {
PS_W_QUEEN = 8 * SQUARE_NB,
PS_B_QUEEN = 9 * SQUARE_NB,
PS_KING = 10 * SQUARE_NB,
PS_NB = 11 * SQUARE_NB
PS_NB = 11 * SQUARE_NB
};
static constexpr IndexType PieceSquareIndex[COLOR_NB][PIECE_NB] = {
@@ -85,36 +85,38 @@ namespace Stockfish::Eval::NNUE::Features {
-1, -1, -1, -1, 23, 22, 21, 20,
-1, -1, -1, -1, 19, 18, 17, 16,
-1, -1, -1, -1, 15, 14, 13, 12,
-1, -1, -1, -1, 11, 10, 9, 8,
-1, -1, -1, -1, 7, 6, 5, 4,
-1, -1, -1, -1, 3, 2, 1, 0
-1, -1, -1, -1, 11, 10, 9, 8,
-1, -1, -1, -1, 7, 6, 5, 4,
-1, -1, -1, -1, 3, 2, 1, 0
};
// Maximum number of simultaneously active features.
static constexpr IndexType MaxActiveDimensions = 32;
using IndexList = ValueList<IndexType, MaxActiveDimensions>;
// Get a list of indices for active features
static void append_active_indices(
const Position& pos,
Color perspective,
ValueListInserter<IndexType> active);
IndexList& active);
// Get a list of indices for recently changed features
static void append_changed_indices(
Square ksq,
StateInfo* st,
const DirtyPiece& dp,
Color perspective,
ValueListInserter<IndexType> removed,
ValueListInserter<IndexType> added);
IndexList& removed,
IndexList& added
);
// Returns the cost of updating one perspective, the most costly one.
// Assumes no refresh needed.
static int update_cost(StateInfo* st);
static int update_cost(const StateInfo* st);
static int refresh_cost(const Position& pos);
// Returns whether the change stored in this StateInfo means that
// a full accumulator refresh is required.
static bool requires_refresh(StateInfo* st, Color perspective);
static bool requires_refresh(const StateInfo* st, Color perspective);
};
} // namespace Stockfish::Eval::NNUE::Features