Merge remote-tracking branch 'upstream/master' into HEAD
authorSteinar H. Gunderson <sgunderson@bigfoot.com>
Sun, 14 Mar 2021 15:58:42 +0000 (16:58 +0100)
committerSteinar H. Gunderson <sgunderson@bigfoot.com>
Sun, 14 Mar 2021 15:58:42 +0000 (16:58 +0100)
1  2 
src/Makefile
src/main.cpp
src/misc.cpp
src/position.cpp
src/syzygy/tbprobe.cpp
src/ucioption.cpp

diff --cc src/Makefile
Simple merge
diff --cc src/main.cpp
  #include "thread.h"
  #include "tt.h"
  #include "uci.h"
- #include "syzygy/tbprobe.h"
  
 +#include <grpc/grpc.h>
 +#include <grpc++/server.h>
 +#include <grpc++/server_builder.h>
 +#include "hashprobe.h"
 +#include "hashprobe.grpc.pb.h"
 +#include "tt.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<StateInfo>(1));
 +
 +      ProbeMove(&pos, setup_states.get(), invert, response->mutable_root());
 +
 +      MoveList<LEGAL> moves(pos);
 +      for (const ExtMove* em = moves.begin(); em != moves.end(); ++em) {
 +              HashProbeLine *line = response->add_line();
 +              FillMove(&pos, em->move, line->mutable_move());
 +              setup_states->push_back(StateInfo());
 +              pos.do_move(em->move, setup_states->back());
 +              ProbeMove(&pos, setup_states.get(), !invert, line);
 +              pos.undo_move(em->move);
 +      }
 +
 +      return Status::OK;
 +}
 +
 +void HashProbeImpl::FillMove(Position *pos, Move move, HashProbeMove* decoded) {
 +      if (!is_ok(move)) return;
 +
 +      Square from = from_sq(move);
 +      Square to = to_sq(move);
 +
 +      if (type_of(move) == CASTLING) {
 +              to = make_square(to > from ? FILE_G : FILE_C, rank_of(from));
 +      }
 +
 +      Piece moved_piece = pos->moved_piece(move);
 +      std::string pretty;
 +      if (type_of(move) == CASTLING) {
 +              if (to > from) {
 +                      pretty = "O-O";
 +              } else {
 +                      pretty = "O-O-O";
 +              }
 +      } else if (type_of(moved_piece) == PAWN) {
 +              if (type_of(move) == ENPASSANT || pos->piece_on(to) != NO_PIECE) {
 +                      // Capture.
 +                      pretty = char('a' + file_of(from));
 +                      pretty += "x";
 +              }
 +              pretty += UCI::square(to);
 +              if (type_of(move) == PROMOTION) {
 +                      pretty += "=";
 +                      pretty += " PNBRQK"[promotion_type(move)];
 +              }
 +      } else {
 +              pretty = " PNBRQK"[type_of(moved_piece)];
 +              Bitboard attackers = pos->attackers_to(to) & pos->pieces(color_of(moved_piece), type_of(moved_piece));
 +              if (more_than_one(attackers)) {
 +                      // Remove all illegal moves to disambiguate.
 +                      Bitboard att_copy = attackers;
 +                      while (att_copy) {
 +                              Square s = pop_lsb(&att_copy);
 +                              Move m = make_move(s, to);
 +                              if (!pos->pseudo_legal(m) || !pos->legal(m)) {
 +                                      attackers &= ~SquareBB[s];
 +                              }
 +                      }
 +              }
 +              if (more_than_one(attackers)) {
 +                      // Disambiguate by file if possible.
 +                      Bitboard attackers_this_file = attackers & file_bb(file_of(from));
 +                      if (attackers != attackers_this_file) {
 +                              pretty += char('a' + file_of(from));
 +                              attackers = attackers_this_file;
 +                      }
 +                      if (more_than_one(attackers)) {
 +                              // Still ambiguous, so need to disambiguate by rank.
 +                              pretty += char('1' + rank_of(from));
 +                      }
 +              }
 +
 +              if (type_of(move) == ENPASSANT || pos->piece_on(to) != NO_PIECE) {
 +                      pretty += "x";
 +              }
 +
 +              pretty += UCI::square(to);
 +      }
 +
 +      if (pos->gives_check(move)) {
 +              // Check if mate.
 +              StateInfo si;
 +              pos->do_move(move, si, true);
 +              if (MoveList<LEGAL>(*pos).size() > 0) {
 +                      pretty += "+";
 +              } else {
 +                      pretty += "#";
 +              }
 +              pos->undo_move(move);
 +      }
 +
 +      decoded->set_pretty(pretty);
 +}
 +
 +void HashProbeImpl::ProbeMove(Position* pos, std::deque<StateInfo>* 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<Move> pv;
 +              std::set<Key> seen;
 +              while (found && is_ok(entry->move()) &&
 +                     pos->pseudo_legal(entry->move()) &&
 +                     pos->legal(entry->move())) {
 +                      FillMove(pos, 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());
 +                      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();
 +}
 +
+ using namespace Stockfish;
  int main(int argc, char* argv[]) {
  
    std::cout << engine_info() << std::endl;
diff --cc src/misc.cpp
Simple merge
Simple merge
Simple merge
  
  using std::string;
  
+ namespace Stockfish {
  UCI::OptionsMap Options; // Global object
 +std::unique_ptr<HashProbeThread> hash_probe_thread;
  
  namespace UCI {