Remove classical evaluation

[stockfish] / src / nnue / evaluate_nnue.cpp

diff --git a/src/nnue/evaluate_nnue.cpp b/src/nnue/evaluate_nnue.cpp
index 06281da06a5368508724ab3987b56848ee03ce94..a1a90023909f98f25826691d738ac838a33e551d 100644 (file)
--- a/src/nnue/evaluate_nnue.cpp
+++ b/src/nnue/evaluate_nnue.cpp
@@ -18,11 +18,12 @@
 
 // Code for calculating NNUE evaluation function
 
+#include <fstream>
+#include <iomanip>
 #include <iostream>
 #include <set>
 #include <sstream>
-#include <iomanip>
-#include <fstream>
+#include <string_view>
 
 #include "../evaluate.h"
 #include "../position.h"
@@ -135,6 +136,10 @@ namespace Stockfish::Eval::NNUE {
     return (bool)stream;
   }
 
+  void hint_common_parent_position(const Position& pos) {
+    featureTransformer->hint_common_access(pos);
+  }
+
   // Evaluation function. Perform differential calculation.
   Value evaluate(const Position& pos, bool adjusted, int* complexity) {
 
@@ -142,7 +147,7 @@ namespace Stockfish::Eval::NNUE {
     // overaligning stack variables with alignas() doesn't work correctly.
 
     constexpr uint64_t alignment = CacheLineSize;
-    int delta = 24 - pos.non_pawn_material() / 9560;
+    constexpr int delta = 24;
 
 #if defined(ALIGNAS_ON_STACK_VARIABLES_BROKEN)
     TransformedFeatureType transformedFeaturesUnaligned[
@@ -210,7 +215,7 @@ namespace Stockfish::Eval::NNUE {
     return t;
   }
 
-  static const std::string PieceToChar(" PNBRQK  pnbrqk");
+  constexpr std::string_view PieceToChar(" PNBRQK  pnbrqk");
 
 
   // format_cp_compact() converts a Value into (centi)pawns and writes it in a buffer.