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Code Issues Releases Wiki Activity

Raise max Hash to 1TB

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And use size_t where appropriate, as suggested on FishCooking.

No functional change.
This commit is contained in:
lucasart 2014-07-01 18:13:20 +08:00
parent 6b354305e1
commit 24ba204931
3 changed files with 5 additions and 7 deletions
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6
src/tt.cpp
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@ -30,11 +30,9 @@ TranspositionTable TT; // Our global 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.
void TranspositionTable::resize(uint64_t mbSize) {
void TranspositionTable::resize(size_t mbSize) {
assert(msb((mbSize * 1024 * 1024) / sizeof(TTCluster)) < 32);
uint32_t newClusterCount = 1 << msb((mbSize * 1024 * 1024) / sizeof(TTCluster));
size_t newClusterCount = size_t(1) << msb((mbSize * 1024 * 1024) / sizeof(TTCluster));
if (newClusterCount == clusterCount)
return;

4
src/tt.h
View file

@ -89,12 +89,12 @@ public:
const TTEntry* probe(const Key key) const;
TTEntry* first_entry(const Key key) const;
void resize(uint64_t mbSize);
void resize(size_t mbSize);
void clear();
void store(const Key key, Value v, Bound type, Depth d, Move m, Value statV);
private:
uint32_t clusterCount;
size_t clusterCount;
TTCluster* table;
void* mem;
uint8_t generation; // Size must be not bigger than TTEntry::genBound8

2
src/ucioption.cpp
View file

@ -60,7 +60,7 @@ void init(OptionsMap& o) {
o["Contempt Factor"] << Option(0, -50, 50);
o["Min Split Depth"] << Option(0, 0, 12, on_threads);
o["Threads"] << Option(1, 1, MAX_THREADS, on_threads);
o["Hash"] << Option(32, 1, 16384, on_hash_size);
o["Hash"] << Option(32, 1, 1024 * 1024, on_hash_size);
o["Clear Hash"] << Option(on_clear_hash);
o["Ponder"] << Option(true);
o["MultiPV"] << Option(1, 1, 500);