X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=da70c1221988d17e20452586415643e1382a9422;hp=cc82af7dbf1a88959316b2c8dd3c025f6cf78227;hb=0439a79566d03065317b2025b9b479b9ae9f2d65;hpb=f01b53c37400e676fdf13d52323bc7bb65502e90 diff --git a/src/search.cpp b/src/search.cpp index cc82af7d..da70c122 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -28,7 +28,6 @@ #include "book.h" #include "evaluate.h" #include "history.h" -#include "misc.h" #include "movegen.h" #include "movepick.h" #include "search.h" @@ -43,6 +42,7 @@ namespace Search { LimitsType Limits; std::vector RootMoves; Position RootPosition; + Time SearchTime; } using std::string; @@ -118,7 +118,6 @@ namespace { size_t MultiPV, UCIMultiPV, PVIdx; TimeManager TimeMgr; - Time SearchTime; int BestMoveChanges; int SkillLevel; bool SkillLevelEnabled, Chess960; @@ -253,8 +252,7 @@ void Search::think() { Position& pos = RootPosition; Chess960 = pos.is_chess960(); Eval::RootColor = pos.side_to_move(); - SearchTime.restart(); - TimeMgr.init(Limits, pos.startpos_ply_counter()); + TimeMgr.init(Limits, pos.startpos_ply_counter(), pos.side_to_move()); TT.new_search(); H.clear(); @@ -292,9 +290,9 @@ void Search::think() { log << "\nSearching: " << pos.to_fen() << "\ninfinite: " << Limits.infinite << " ponder: " << Limits.ponder - << " time: " << Limits.time - << " increment: " << Limits.increment - << " moves to go: " << Limits.movesToGo + << " time: " << Limits.time[pos.side_to_move()] + << " increment: " << Limits.inc[pos.side_to_move()] + << " moves to go: " << Limits.movestogo << endl; } @@ -310,8 +308,7 @@ void Search::think() { // We're ready to start searching. Call the iterative deepening loop function id_loop(pos); - // Stop timer and send all the slaves to sleep, if not already sleeping - Threads.set_timer(0); + Threads.set_timer(0); // Stop timer Threads.sleep(); if (Options["Use Search Log"]) @@ -335,7 +332,7 @@ finalize: // but if we are pondering or in infinite search, we shouldn't print the best // move before we are told to do so. if (!Signals.stop && (Limits.ponder || Limits.infinite)) - Threads[pos.thread()].wait_for_stop_or_ponderhit(); + Threads[pos.this_thread()].wait_for_stop_or_ponderhit(); // Best move could be MOVE_NONE when searching on a stalemate position cout << "bestmove " << move_to_uci(RootMoves[0].pv[0], Chess960) @@ -363,7 +360,7 @@ namespace { ss->currentMove = MOVE_NULL; // Hack to skip update gains // Iterative deepening loop until requested to stop or target depth reached - while (!Signals.stop && ++depth <= MAX_PLY && (!Limits.maxDepth || depth <= Limits.maxDepth)) + while (!Signals.stop && ++depth <= MAX_PLY && (!Limits.depth || depth <= Limits.depth)) { // Save last iteration's scores before first PV line is searched and all // the move scores but the (new) PV are set to -VALUE_INFINITE. @@ -533,7 +530,7 @@ namespace { assert(alpha >= -VALUE_INFINITE && alpha < beta && beta <= VALUE_INFINITE); assert((alpha == beta - 1) || PvNode); assert(depth > DEPTH_ZERO); - assert(pos.thread() >= 0 && pos.thread() < Threads.size()); + assert(pos.this_thread() >= 0 && pos.this_thread() < Threads.size()); Move movesSearched[MAX_MOVES]; StateInfo st; @@ -547,7 +544,7 @@ namespace { bool isPvMove, inCheck, singularExtensionNode, givesCheck; bool captureOrPromotion, dangerous, doFullDepthSearch; int moveCount = 0, playedMoveCount = 0; - Thread& thread = Threads[pos.thread()]; + Thread& thread = Threads[pos.this_thread()]; SplitPoint* sp = NULL; refinedValue = bestValue = value = -VALUE_INFINITE; @@ -585,7 +582,7 @@ namespace { // Step 2. Check for aborted search and immediate draw // Enforce node limit here. FIXME: This only works with 1 search thread. - if (Limits.maxNodes && pos.nodes_searched() >= Limits.maxNodes) + if (Limits.nodes && pos.nodes_searched() >= Limits.nodes) Signals.stop = true; if (( Signals.stop @@ -673,7 +670,7 @@ namespace { && refinedValue + razor_margin(depth) < beta && ttMove == MOVE_NONE && abs(beta) < VALUE_MATE_IN_MAX_PLY - && !pos.has_pawn_on_7th(pos.side_to_move())) + && !pos.pawn_on_7th(pos.side_to_move())) { Value rbeta = beta - razor_margin(depth); Value v = qsearch(pos, ss, rbeta-1, rbeta, DEPTH_ZERO); @@ -850,7 +847,7 @@ split_point_start: // At split points actual search starts from here { Signals.firstRootMove = (moveCount == 1); - if (pos.thread() == 0 && SearchTime.elapsed() > 2000) + if (pos.this_thread() == 0 && SearchTime.elapsed() > 2000) cout << "info depth " << depth / ONE_PLY << " currmove " << move_to_uci(move, Chess960) << " currmovenumber " << moveCount + PVIdx << endl; @@ -1057,7 +1054,7 @@ split_point_start: // At split points actual search starts from here if ( !SpNode && depth >= Threads.min_split_depth() && bestValue < beta - && Threads.available_slave_exists(pos.thread()) + && Threads.available_slave_exists(pos.this_thread()) && !Signals.stop && !thread.cutoff_occurred()) bestValue = Threads.split(pos, ss, alpha, beta, bestValue, &bestMove, @@ -1134,7 +1131,7 @@ split_point_start: // At split points actual search starts from here assert(alpha >= -VALUE_INFINITE && alpha < beta && beta <= VALUE_INFINITE); assert((alpha == beta - 1) || PvNode); assert(depth <= DEPTH_ZERO); - assert(pos.thread() >= 0 && pos.thread() < Threads.size()); + assert(pos.this_thread() >= 0 && pos.this_thread() < Threads.size()); StateInfo st; Move ttMove, move, bestMove; @@ -1895,6 +1892,6 @@ void check_time() { || stillAtFirstMove; if ( (Limits.use_time_management() && noMoreTime) - || (Limits.maxTime && e >= Limits.maxTime)) + || (Limits.movetime && e >= Limits.movetime)) Signals.stop = true; }