X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmain.cpp;h=de220eec97a8ae16bf98a85c0c59df3f0b400865;hp=372e8abc58e990442d62a32c218c5f9a03a1b577;hb=e2683c47b398b24cec67c06fc4ee74cbf90995ae;hpb=b06f0460a207c287528d5b74ee0e644a3485b84c diff --git a/src/main.cpp b/src/main.cpp index 372e8abc..de220eec 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1,7 +1,8 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2015-2019 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,75 +18,167 @@ along with this program. If not, see . */ -// To profile with callgrind uncomment following line -//#define USE_CALLGRIND +#include +#include +#include +#include + +#include "bitboard.h" +#include "position.h" +#include "search.h" +#include "thread.h" +#include "tt.h" +#include "uci.h" +#include "syzygy/tbprobe.h" + +#include +#include +#include +#include "hashprobe.h" +#include "hashprobe.grpc.pb.h" + +using grpc::Server; +using grpc::ServerBuilder; +using grpc::ServerContext; +using grpc::Status; +using grpc::StatusCode; +using namespace hashprobe; + +Status HashProbeImpl::Probe(ServerContext* context, + const HashProbeRequest* request, + HashProbeResponse *response) { + Position pos; + StateInfo st; + pos.set(request->fen(), /*isChess960=*/false, &st, Threads.main()); + if (!pos.pos_is_ok()) { + return Status(StatusCode::INVALID_ARGUMENT, "Invalid FEN"); + } + + bool invert = (pos.side_to_move() == BLACK); + StateListPtr setup_states = StateListPtr(new std::deque(1)); + + ProbeMove(&pos, setup_states.get(), invert, response->mutable_root()); + + MoveList moves(pos); + for (const ExtMove* em = moves.begin(); em != moves.end(); ++em) { + HashProbeLine *line = response->add_line(); + FillMove(em->move, line->mutable_move()); + setup_states->push_back(StateInfo()); + pos.do_move(em->move, setup_states->back(), pos.gives_check(em->move)); + ProbeMove(&pos, setup_states.get(), !invert, line); + pos.undo_move(em->move); + } + + return Status::OK; +} +void HashProbeImpl::FillMove(Move move, HashProbeMove* decoded) { + if (!is_ok(move)) return; -//// -//// Includes -//// + Square from = from_sq(move); + Square to = to_sq(move); -#include -#include - -#include "bitcount.h" -#include "misc.h" - -#ifdef USE_CALLGRIND -#include -#endif - -using namespace std; - -extern void uci_main_loop(); -extern void benchmark(const std::string& commandLine); - -//// -//// Functions -//// - -int main(int argc, char *argv[]) { - - // Disable IO buffering - cout.rdbuf()->pubsetbuf(NULL, 0); - cin.rdbuf()->pubsetbuf(NULL, 0); - - // Initialization through global resources manager - Application::initialize(); - -#ifdef USE_CALLGRIND - CALLGRIND_START_INSTRUMENTATION; -#endif - - if (argc <= 1) - { - // Print copyright notice - cout << engine_name() - << " by Tord Romstad, Marco Costalba, Joona Kiiski" << endl; - - if (CpuHasPOPCNT) - cout << "Good! CPU has hardware POPCNT." << endl; - - // Enter UCI mode - uci_main_loop(); - } - else // Process command line arguments - { - if (string(argv[1]) != "bench" || argc < 4 || argc > 8) - cout << "Usage: stockfish bench " - << "[time = 60s] [fen positions file = default] " - << "[time, depth, perft or node limited = time] " - << "[timing file name = none]" << endl; - else - { - string time = argc > 4 ? argv[4] : "60"; - string fen = argc > 5 ? argv[5] : "default"; - string lim = argc > 6 ? argv[6] : "time"; - string tim = argc > 7 ? argv[7] : ""; - benchmark(string(argv[2]) + " " + string(argv[3]) + " " + time + " " + fen + " " + lim + " " + tim); - } - } - - Application::free_resources(); + if (type_of(move) == CASTLING) { + to = make_square(to > from ? FILE_G : FILE_C, rank_of(from)); + } + + decoded->set_from_sq(UCI::square(from)); + decoded->set_to_sq(UCI::square(to)); + + if (type_of(move) == PROMOTION) { + decoded->set_promotion(std::string() + " PNBRQK"[promotion_type(move)]); + } +} + +void HashProbeImpl::ProbeMove(Position* pos, std::deque* setup_states, bool invert, HashProbeLine* response) { + bool found; + TTEntry *entry = TT.probe(pos->key(), found); + response->set_found(found); + if (found) { + Value value = entry->value(); + Value eval = entry->eval(); + Bound bound = entry->bound(); + + if (invert) { + value = -value; + eval = -eval; + if (bound == BOUND_UPPER) { + bound = BOUND_LOWER; + } else if (bound == BOUND_LOWER) { + bound = BOUND_UPPER; + } + } + + response->set_depth(entry->depth()); + FillValue(eval, response->mutable_eval()); + if (entry->depth() > DEPTH_NONE) { + FillValue(value, response->mutable_value()); + } + response->set_bound(HashProbeLine::ValueBound(bound)); + + // Follow the PV until we hit an illegal move. + std::stack pv; + std::set seen; + while (found && is_ok(entry->move())) { + FillMove(entry->move(), response->add_pv()); + if (seen.count(pos->key())) break; + pv.push(entry->move()); + seen.insert(pos->key()); + setup_states->push_back(StateInfo()); + pos->do_move(entry->move(), setup_states->back(), pos->gives_check(entry->move())); + entry = TT.probe(pos->key(), found); + } + + // Unroll the PV back again, so the Position object remains unchanged. + while (!pv.empty()) { + pos->undo_move(pv.top()); + pv.pop(); + } + } +} + +void HashProbeImpl::FillValue(Value value, HashProbeScore* score) { + if (abs(value) < VALUE_MATE - MAX_PLY) { + score->set_score_type(HashProbeScore::SCORE_CP); + score->set_score_cp(value * 100 / PawnValueEg); + } else { + score->set_score_type(HashProbeScore::SCORE_MATE); + score->set_score_mate((value > 0 ? VALUE_MATE - value + 1 : -VALUE_MATE - value) / 2); + } +} + +HashProbeThread::HashProbeThread(const std::string &server_address) { + builder.AddListeningPort(server_address, grpc::InsecureServerCredentials()); + builder.RegisterService(&service); + server = std::move(builder.BuildAndStart()); + std::cout << "Server listening on " << server_address << std::endl; + std::thread([this]{ server->Wait(); }).detach(); +} + +void HashProbeThread::Shutdown() { + server->Shutdown(); +} + +namespace PSQT { + void init(); +} + +int main(int argc, char* argv[]) { + + std::cout << engine_info() << std::endl; + + UCI::init(Options); + PSQT::init(); + Bitboards::init(); + Position::init(); + Bitbases::init(); + Search::init(); + Pawns::init(); + Threads.set(Options["Threads"]); + Search::clear(); // After threads are up + + UCI::loop(argc, argv); + + Threads.set(0); return 0; }