From 3e5c856d861848be8a41582d5616c242bda0b685 Mon Sep 17 00:00:00 2001
From: CalciteM Team <calcitem@outlook.com>
Date: Thu, 1 Aug 2019 22:50:09 +0800
Subject: [PATCH] =?UTF-8?q?hash:=20=E5=93=88=E5=B8=8C=E8=A1=A8=E5=A4=A7?=
 =?UTF-8?q?=E5=B0=8F=E7=94=B164M=E8=B0=83=E5=B0=8F=E4=B8=BA32M?=
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* g++ 编译后运行不再提示 std::bad_alloc
* 运行速度反而提升 5%
---
 NineChess/src/ninechessai_ab.cpp | 40 ++++++++++++++++----------------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/NineChess/src/ninechessai_ab.cpp b/NineChess/src/ninechessai_ab.cpp
index 55a939b3..2b7478f8 100644
--- a/NineChess/src/ninechessai_ab.cpp
+++ b/NineChess/src/ninechessai_ab.cpp
@@ -34,7 +34,7 @@
 using namespace CTSL;
 
 #ifdef HASH_MAP_ENABLE
-static constexpr int hashsize = 0x4000000; // 8-128M:102s, 4-64M:93s 2-32M:91s 1-16M: 冲突
+static constexpr int hashsize = 0x2000000; // 8-128M:102s, 4-64M:93s 2-32M:91s 1-16M: 冲突
 HashMap<uint64_t, NineChessAi_ab::HashValue> hashmap(hashsize);
 #endif // HASH_MAP_ENABLE
 
@@ -1026,20 +1026,20 @@ int NineChessAi_ab::probeHash(uint64_t hash, int depth, int alpha, int beta, int
 
     type = hashValue.type;
 
-    if (hashValue.type == hashfEXACT) {
-        return hashValue.value;
-    }
-    if ((hashValue.type == hashfALPHA) && // 最多是 hashValue.value
-        (hashValue.value <= alpha)) {
-        return alpha;
-    }
-    if ((hashValue.type == hashfBETA) && // 至少是 hashValue.value
-        (hashValue.value >= beta)) {
-        return beta;
+    if (hashValue.type == hashfEXACT) {
+        return hashValue.value;
+    }
+    if ((hashValue.type == hashfALPHA) && // 最多是 hashValue.value
+        (hashValue.value <= alpha)) {
+        return alpha;
+    }
+    if ((hashValue.type == hashfBETA) && // 至少是 hashValue.value
+        (hashValue.value >= beta)) {
+        return beta;
     }
 
-out:
-    bestMove = hashValue.bestMove;
+out:
+    bestMove = hashValue.bestMove;
     return valUNKNOWN;
 }
 
@@ -1081,13 +1081,13 @@ int NineChessAi_ab::recordHash(int value, int depth, HashType type, uint64_t has
     HashValue hashValue;
     memset(&hashValue, 0, sizeof(HashValue));
 
-    if (findHash(hash, hashValue) &&
-        hashValue.type != hashfEMPTY &&
-        hashValue.depth > depth) {
-#ifdef DEBUG_MODE
-        qDebug() << "Skip recordHash coz depth";
-#endif
-        return -1;
+    if (findHash(hash, hashValue) &&
+        hashValue.type != hashfEMPTY &&
+        hashValue.depth > depth) {
+#ifdef DEBUG_MODE
+        qDebug() << "Skip recordHash coz depth";
+#endif
+        return -1;
     }
 
     hashValue.value = value;