opelly/Stockfish
1
0
Fork 0
mirror of https://github.com/opelly27/Stockfish.git synced 2026-05-20 03:57:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

Re-enable TT.insert_pv()

Browse Source 
This time make sure that valuable TTentries are not overwritten.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Joona Kiiski
2009-12-08 19:19:13 +02:00
committed by Marco Costalba
parent d0b8bc5fdf
commit b056e5d40a
2 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/search.cpp
+1 -1
View File
@@ -743,7 +743,7 @@ namespace {
// Write PV to transposition table, in case the relevant entries have
// been overwritten during the search.
//TT.insert_pv(p, ss[0].pv);
TT.insert_pv(p, ss[0].pv);
if (AbortSearch)
break; // Value cannot be trusted. Break out immediately!
src/tt.cpp
+3 -1
View File
@@ -208,7 +208,9 @@ void TranspositionTable::insert_pv(const Position& pos, Move pv[]) {
for (int i = 0; pv[i] != MOVE_NONE; i++)
{
store(p.get_key(), VALUE_NONE, VALUE_TYPE_NONE, Depth(-127*OnePly), pv[i]);
TTEntry *tte = retrieve(p.get_key());
if (!tte || tte->move() != pv[i])
store(p.get_key(), VALUE_NONE, VALUE_TYPE_NONE, Depth(-127*OnePly), pv[i]);
p.do_move(pv[i], st);
}
}