Let material probing to access per-thread table

[stockfish] / src / pawns.cpp

diff --git a/src/pawns.cpp b/src/pawns.cpp
index 80dead4fb5378b00068320139ed59861417b11ab..6ec718ff5167c6ca47c5fded3d31161b7072ce29 100644 (file)
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -24,6 +24,7 @@
 #include "bitcount.h"
 #include "pawns.h"
 #include "position.h"
+#include "thread.h"
 
 namespace {
 
@@ -202,9 +203,9 @@ namespace {
 
 namespace Pawns {
 
-/// init() initializes some tables used by evaluation. Instead of hard-coded
-/// tables, when makes sense, we prefer to calculate them with a formula to
-/// reduce independent parameters and to allow easier tuning and better insight.
+/// Pawns::init() initializes some tables needed by evaluation. Instead of using
+/// hard-coded tables, when makes sense, we prefer to calculate them with a formula
+/// to reduce independent parameters and to allow easier tuning and better insight.
 
 void init()
 {
@@ -220,14 +221,15 @@ void init()
 }
 
 
-/// probe() takes a position as input, computes a Entry object, and returns a
-/// pointer to it. The result is also stored in a hash table, so we don't have
-/// to recompute everything when the same pawn structure occurs again.
+/// Pawns::probe() looks up the current position's pawns configuration in
+/// the pawns hash table. It returns a pointer to the Entry if the position
+/// is found. Otherwise a new Entry is computed and stored there, so we don't
+/// have to recompute all when the same pawns configuration occurs again.
 
-Entry* probe(const Position& pos, Table& entries) {
+Entry* probe(const Position& pos) {
 
   Key key = pos.pawn_key();
-  Entry* e = entries[key];
+  Entry* e = pos.this_thread()->pawnsTable[key];
 
   if (e->key == key)
       return e;