TT: 增加 TRANSPOSITION_TABLE_FAKE_CLEAN_NOT_EXACT_ONLY 宏但不启用
开启后,对于确切值的TT值,开始新的搜索前不会清除。
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@ -87,6 +87,7 @@
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#ifdef TRANSPOSITION_TABLE_ENABLE
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#define CLEAR_TRANSPOSITION_TABLE
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#define TRANSPOSITION_TABLE_FAKE_CLEAN
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//#define TRANSPOSITION_TABLE_FAKE_CLEAN_NOT_EXACT_ONLY
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//#define TRANSPOSITION_TABLE_CUTDOWN
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//#define TT_MOVE_ENABLE
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//#define TRANSPOSITION_TABLE_DEBUG
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@ -44,10 +44,15 @@ value_t TT::probeHash(const hash_t &hash,
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}
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#ifdef TRANSPOSITION_TABLE_FAKE_CLEAN
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if (hashValue.age != transpositionTableAge)
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{
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return VALUE_UNKNOWN;
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#ifdef TRANSPOSITION_TABLE_FAKE_CLEAN_NOT_EXACT_ONLY
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if (hashValue.type != BOUND_EXACT) {
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#endif
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if (hashValue.age != transpositionTableAge) {
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return VALUE_UNKNOWN;
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}
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#ifdef TRANSPOSITION_TABLE_FAKE_CLEAN_NOT_EXACT_ONLY
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}
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#endif
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#endif // TRANSPOSITION_TABLE_FAKE_CLEAN
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if (depth > hashValue.depth) {
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