X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftt.cpp;h=66113ee8f2c4969bbe76e1cb2e3aa5e88e8c082f;hp=75542d49e648964c0d1cdc762b7991e0dc3bb226;hb=ce0a95c2c013f4aa9d41a80b8f12f005fe162fcb;hpb=4eb2d8ce095b284a1e55762548d9821a83a19b3b diff --git a/src/tt.cpp b/src/tt.cpp index 75542d49..66113ee8 100644 --- a/src/tt.cpp +++ b/src/tt.cpp @@ -28,13 +28,13 @@ TranspositionTable TT; // Our global transposition table /// TranspositionTable::resize() sets the size of the transposition table, /// measured in megabytes. Transposition table consists of a power of 2 number -/// of clusters and each cluster consists of TTClusterSize number of TTEntry. +/// of clusters and each cluster consists of ClusterSize number of TTEntry. void TranspositionTable::resize(size_t mbSize) { - assert(sizeof(TTCluster) == CacheLineSize / 2); + assert(sizeof(Cluster) == CacheLineSize / 2); - size_t newClusterCount = size_t(1) << msb((mbSize * 1024 * 1024) / sizeof(TTCluster)); + size_t newClusterCount = size_t(1) << msb((mbSize * 1024 * 1024) / sizeof(Cluster)); if (newClusterCount == clusterCount) return; @@ -42,7 +42,7 @@ void TranspositionTable::resize(size_t mbSize) { clusterCount = newClusterCount; free(mem); - mem = calloc(clusterCount * sizeof(TTCluster) + CacheLineSize - 1, 1); + mem = calloc(clusterCount * sizeof(Cluster) + CacheLineSize - 1, 1); if (!mem) { @@ -51,7 +51,7 @@ void TranspositionTable::resize(size_t mbSize) { exit(EXIT_FAILURE); } - table = (TTCluster*)((uintptr_t(mem) + CacheLineSize - 1) & ~(CacheLineSize - 1)); + table = (Cluster*)((uintptr_t(mem) + CacheLineSize - 1) & ~(CacheLineSize - 1)); } @@ -61,7 +61,7 @@ void TranspositionTable::resize(size_t mbSize) { void TranspositionTable::clear() { - std::memset(table, 0, clusterCount * sizeof(TTCluster)); + std::memset(table, 0, clusterCount * sizeof(Cluster)); } @@ -77,7 +77,7 @@ TTEntry* TranspositionTable::probe(const Key key, bool& found) const { TTEntry* const tte = first_entry(key); const uint16_t key16 = key >> 48; // Use the high 16 bits as key inside the cluster - for (int i = 0; i < TTClusterSize; ++i) + for (int i = 0; i < ClusterSize; ++i) if (!tte[i].key16 || tte[i].key16 == key16) { if (tte[i].key16) @@ -88,7 +88,7 @@ TTEntry* TranspositionTable::probe(const Key key, bool& found) const { // Find an entry to be replaced according to the replacement strategy TTEntry* replace = tte; - for (int i = 1; i < TTClusterSize; ++i) + for (int i = 1; i < ClusterSize; ++i) if ( (( tte[i].genBound8 & 0xFC) == generation8 || tte[i].bound() == BOUND_EXACT) - ((replace->genBound8 & 0xFC) == generation8) - (tte[i].depth8 < replace->depth8) < 0)