void id_loop(Position& pos);
Value value_to_tt(Value v, int ply);
Value value_from_tt(Value v, int ply);
- bool check_is_dangerous(Position& pos, Move move, Value futilityBase, Value beta);
+ bool check_is_dangerous(const Position& pos, Move move, Value futilityBase, Value beta);
bool allows(const Position& pos, Move first, Move second);
bool refutes(const Position& pos, Move first, Move second);
string uci_pv(const Position& pos, int depth, Value alpha, Value beta);
// we want to keep the same order for all the moves but the new
// PV that goes to the front. Note that in case of MultiPV search
// the already searched PV lines are preserved.
- sort<RootMove>(RootMoves.begin() + PVIdx, RootMoves.end());
+ std::stable_sort(RootMoves.begin() + PVIdx, RootMoves.end());
// Write PV back to transposition table in case the relevant
// entries have been overwritten during the search.
}
// Sort the PV lines searched so far and update the GUI
- sort<RootMove>(RootMoves.begin(), RootMoves.begin() + PVIdx + 1);
+ std::stable_sort(RootMoves.begin(), RootMoves.begin() + PVIdx + 1);
if (PVIdx + 1 == PVSize || Time::now() - SearchTime > 3000)
sync_cout << uci_pv(pos, depth, alpha, beta) << sync_endl;
else if (tte)
{
// Never assume anything on values stored in TT
- if ( (ss->staticEval = eval = tte->static_value()) == VALUE_NONE
- ||(ss->evalMargin = tte->static_value_margin()) == VALUE_NONE)
+ if ( (ss->staticEval = eval = tte->eval_value()) == VALUE_NONE
+ ||(ss->evalMargin = tte->eval_margin()) == VALUE_NONE)
eval = ss->staticEval = evaluate(pos, ss->evalMargin);
// Can ttValue be used as a better position evaluation?
// Step 19. Check for splitting the search
if ( !SpNode
&& depth >= Threads.minimumSplitDepth
- && Threads.slave_available(thisThread)
+ && Threads.available_slave(thisThread)
&& thisThread->splitPointsSize < MAX_SPLITPOINTS_PER_THREAD)
{
assert(bestValue < beta);
if (tte)
{
// Never assume anything on values stored in TT
- if ( (ss->staticEval = bestValue = tte->static_value()) == VALUE_NONE
- ||(ss->evalMargin = tte->static_value_margin()) == VALUE_NONE)
+ if ( (ss->staticEval = bestValue = tte->eval_value()) == VALUE_NONE
+ ||(ss->evalMargin = tte->eval_margin()) == VALUE_NONE)
ss->staticEval = bestValue = evaluate(pos, ss->evalMargin);
}
else
// check_is_dangerous() tests if a checking move can be pruned in qsearch()
- bool check_is_dangerous(Position& pos, Move move, Value futilityBase, Value beta)
+ bool check_is_dangerous(const Position& pos, Move move, Value futilityBase, Value beta)
{
Piece pc = pos.piece_moved(move);
Square from = from_sq(move);
sp->mutex.lock();
- assert(sp->slavesPositions[idx] == NULL);
+ assert(activePosition == NULL);
- sp->slavesPositions[idx] = &pos;
+ activePosition = &pos;
switch (sp->nodeType) {
case Root:
assert(searching);
searching = false;
- sp->slavesPositions[idx] = NULL;
+ activePosition = NULL;
sp->slavesMask &= ~(1ULL << idx);
sp->nodes += pos.nodes_searched();
nodes = RootPos.nodes_searched();
// Loop across all split points and sum accumulated SplitPoint nodes plus
- // all the currently active slaves positions.
+ // all the currently active positions nodes.
for (size_t i = 0; i < Threads.size(); i++)
for (int j = 0; j < Threads[i]->splitPointsSize; j++)
{
Bitboard sm = sp.slavesMask;
while (sm)
{
- Position* pos = sp.slavesPositions[pop_lsb(&sm)];
- nodes += pos ? pos->nodes_searched() : 0;
+ Position* pos = Threads[pop_lsb(&sm)]->activePosition;
+ if (pos)
+ nodes += pos->nodes_searched();
}
sp.mutex.unlock();