X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fsearch.cpp;h=9fc1bd42565e9b90b3800d268279d928c5e1a223;hb=427dc2a82c82c69e964a3f7a2030f9417d0beee9;hp=fac0444c2f650c8e557cd739bd96c23a35f605fb;hpb=15d265cc664e0e49fa82cccb7471da0a5612ce25;p=stockfish diff --git a/src/search.cpp b/src/search.cpp index fac0444c..9fc1bd42 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -114,7 +114,7 @@ namespace { struct RootMove { - RootMove() : mp_score(0), nodes(0), cumulativeNodes(0) {} + RootMove() : mp_score(0), nodes(0) {} // RootMove::operator<() is the comparison function used when // sorting the moves. A move m1 is considered to be better @@ -128,7 +128,7 @@ namespace { Move move; Value score; int mp_score; - int64_t nodes, cumulativeNodes; + int64_t nodes; Move pv[PLY_MAX_PLUS_2]; }; @@ -146,10 +146,10 @@ namespace { Value get_move_score(int moveNum) const { return moves[moveNum].score; } void set_move_score(int moveNum, Value score) { moves[moveNum].score = score; } Move get_move_pv(int moveNum, int i) const { return moves[moveNum].pv[i]; } - int64_t get_move_cumulative_nodes(int moveNum) const { return moves[moveNum].cumulativeNodes; } + int64_t get_move_nodes(int moveNum) const { return moves[moveNum].nodes; } void score_moves(const Position& pos); - void set_move_nodes(int moveNum, int64_t nodes); + void add_move_nodes(int moveNum, int64_t nodes) { moves[moveNum].nodes += nodes; } void set_move_pv(int moveNum, const Move pv[]); void sort(); void sort_multipv(int n); @@ -629,9 +629,9 @@ namespace { int64_t nodes = ThreadsMgr.nodes_searched(); if ( Iteration >= 8 && EasyMove == pv[0] - && ( ( rml.get_move_cumulative_nodes(0) > (nodes * 85) / 100 + && ( ( rml.get_move_nodes(0) > (nodes * 85) / 100 && current_search_time() > TimeMgr.available_time() / 16) - ||( rml.get_move_cumulative_nodes(0) > (nodes * 98) / 100 + ||( rml.get_move_nodes(0) > (nodes * 98) / 100 && current_search_time() > TimeMgr.available_time() / 32))) stopSearch = true; @@ -883,7 +883,7 @@ namespace { break; // Remember searched nodes counts for this move - rml.set_move_nodes(i, ThreadsMgr.nodes_searched() - nodes); + rml.add_move_nodes(i, ThreadsMgr.nodes_searched() - nodes); assert(value >= -VALUE_INFINITE && value <= VALUE_INFINITE); assert(value < beta); @@ -982,7 +982,7 @@ namespace { Move ttMove, move, excludedMove, threatMove; Depth ext, newDepth; Value bestValue, value, oldAlpha; - Value refinedValue, nullValue, futilityValueScaled; // Non-PV specific + Value refinedValue, nullValue, futilityBase, futilityValueScaled; // Non-PV specific bool isCheck, singleEvasion, singularExtensionNode, moveIsCheck, captureOrPromotion, dangerous; bool mateThreat = false; int moveCount = 0; @@ -1182,6 +1182,7 @@ namespace { CheckInfo ci(pos); ss->bestMove = MOVE_NONE; singleEvasion = isCheck && mp.number_of_evasions() == 1; + futilityBase = ss->eval + margins[pos.side_to_move()]; singularExtensionNode = depth >= SingularExtensionDepth[PvNode] && tte && tte->move() @@ -1253,7 +1254,7 @@ namespace { // We illogically ignore reduction condition depth >= 3*ONE_PLY for predicted depth, // but fixing this made program slightly weaker. Depth predictedDepth = newDepth - reduction(depth, moveCount); - futilityValueScaled = ss->eval + futility_margin(predictedDepth, moveCount) + futilityValueScaled = futilityBase + futility_margin(predictedDepth, moveCount) + H.gain(pos.piece_on(move_from(move)), move_to(move)); if (futilityValueScaled < beta) @@ -2784,12 +2785,6 @@ namespace { // RootMoveList simple methods definitions - void RootMoveList::set_move_nodes(int moveNum, int64_t nodes) { - - moves[moveNum].nodes = nodes; - moves[moveNum].cumulativeNodes += nodes; - } - void RootMoveList::set_move_pv(int moveNum, const Move pv[]) { int j;