SRCS = benchmark.cpp bitbase.cpp bitboard.cpp endgame.cpp evaluate.cpp main.cpp \
material.cpp misc.cpp movegen.cpp movepick.cpp pawns.cpp position.cpp psqt.cpp \
search.cpp thread.cpp timeman.cpp tt.cpp uci.cpp ucioption.cpp tune.cpp syzygy/tbprobe.cpp \
- nnue/evaluate_nnue.cpp nnue/features/half_ka_v2.cpp
+ nnue/evaluate_nnue.cpp nnue/features/half_ka_v2.cpp \
+ hashprobe.grpc.pb.cc hashprobe.pb.cc
+CLISRCS = client.cpp hashprobe.grpc.pb.cc hashprobe.pb.cc uci.cpp
OBJS = $(notdir $(SRCS:.cpp=.o))
+CLIOBJS = $(notdir $(CLISRCS:.cpp=.o))
VPATH = syzygy:nnue:nnue/features
ifeq ($(COMP),gcc)
comp=gcc
CXX=g++
- CXXFLAGS += -pedantic -Wextra -Wshadow
+ CXXFLAGS += -pedantic -Wextra
ifeq ($(arch),$(filter $(arch),armv7 armv8))
ifeq ($(OS),Android)
### 3.3 Optimization
ifeq ($(optimize),yes)
- CXXFLAGS += -O3
+ CXXFLAGS += -O3 -g
ifeq ($(comp),gcc)
ifeq ($(OS), Android)
### Section 5. Private Targets
### ==========================================================================
-all: $(EXE) .depend
+all: $(EXE) client .depend
config-sanity: net
@echo ""
EXTRACXXFLAGS='-prof_use -prof_dir ./profdir' \
all
+### GRPC
+
+PROTOS_PATH = .
+PROTOC = protoc
+GRPC_CPP_PLUGIN = grpc_cpp_plugin
+GRPC_CPP_PLUGIN_PATH ?= `which $(GRPC_CPP_PLUGIN)`
+
+%.grpc.pb.h %.grpc.pb.cc: %.proto
+ $(PROTOC) -I $(PROTOS_PATH) --grpc_out=. --plugin=protoc-gen-grpc=$(GRPC_CPP_PLUGIN_PATH) $<
+
+# oh my
+%.cpp: %.cc
+ cp $< $@
+
+%.pb.h %.pb.cc: %.proto
+ $(PROTOC) -I $(PROTOS_PATH) --cpp_out=. $<
+
+#LDFLAGS += -Wl,-Bstatic -Wl,-\( -lprotobuf -lgrpc++_unsecure -lgrpc_unsecure -lgrpc -lz -Wl,-\) -Wl,-Bdynamic -ldl
+LDFLAGS += /usr/lib/x86_64-linux-gnu/libprotobuf.a /usr/lib/x86_64-linux-gnu/libgrpc++_unsecure.a /usr/lib/x86_64-linux-gnu/libgrpc_unsecure.a /usr/lib/x86_64-linux-gnu/libgrpc.a /usr/lib/x86_64-linux-gnu/libcares.a /usr/lib/x86_64-linux-gnu/libgpr.a /usr/lib/x86_64-linux-gnu/libabsl_str_format_internal.a /usr/lib/x86_64-linux-gnu/libabsl_strings.a /usr/lib/x86_64-linux-gnu/libabsl_flags_marshalling.a /usr/lib/x86_64-linux-gnu/libabsl_throw_delegate.a /usr/lib/x86_64-linux-gnu/libabsl_raw_logging_internal.a /usr/lib/x86_64-linux-gnu/libabsl_base.a /usr/lib/x86_64-linux-gnu/libabsl_int128.a /usr/lib/x86_64-linux-gnu/libabsl_bad_optional_access.a -ldl -lz
+#LDFLAGS += /usr/lib/x86_64-linux-gnu/libprotobuf.a /usr/lib/libgrpc++_unsecure.a /usr/lib/libgrpc_unsecure.a /usr/lib/libgrpc.a /usr/lib/x86_64-linux-gnu/libcares.a -ldl -lz
+
+client: $(CLIOBJS)
+ $(CXX) -o $@ $(CLIOBJS) $(LDFLAGS)
+
+# Other stuff
+
.depend:
-@$(CXX) $(DEPENDFLAGS) -MM $(SRCS) > $@ 2> /dev/null
--- /dev/null
+#include <iostream>
+#include <memory>
+#include <string>
+
+#include <grpc++/grpc++.h>
+
+#include "hashprobe.grpc.pb.h"
+#include "types.h"
+#include "uci.h"
+
+using grpc::Channel;
+using grpc::ClientContext;
+using grpc::Status;
+using namespace hashprobe;
+
+std::string FormatMove(const HashProbeMove &move) {
+ if (move.pretty().empty()) return "MOVE_NONE";
+ return move.pretty();
+}
+
+int main(int argc, char** argv) {
+ std::shared_ptr<Channel> channel(grpc::CreateChannel(
+ "localhost:50051", grpc::InsecureChannelCredentials()));
+ std::unique_ptr<HashProbe::Stub> stub(HashProbe::NewStub(channel));
+
+ for ( ;; ) {
+ char buf[256];
+ if (fgets(buf, sizeof(buf), stdin) == nullptr || buf[0] == '\n') {
+ exit(0);
+ }
+
+ char *ptr = strchr(buf, '\n');
+ if (ptr != nullptr) *ptr = 0;
+
+ HashProbeRequest request;
+ request.set_fen(buf);
+
+ HashProbeResponse response;
+ ClientContext context;
+ Status status = stub->Probe(&context, request, &response);
+
+ if (status.ok()) {
+ for (const HashProbeLine &line : response.line()) {
+ std::cout << FormatMove(line.move()) << " ";
+ std::cout << line.found() << " ";
+ for (const HashProbeMove &move : line.pv()) {
+ std::cout << FormatMove(move) << ",";
+ }
+ std::cout << " ";
+ switch (line.bound()) {
+ case HashProbeLine::BOUND_NONE:
+ std::cout << "?";
+ break;
+ case HashProbeLine::BOUND_EXACT:
+ std::cout << "==";
+ break;
+ case HashProbeLine::BOUND_UPPER:
+ std::cout << "<=";
+ break;
+ case HashProbeLine::BOUND_LOWER:
+ std::cout << ">=";
+ break;
+ }
+ switch (line.value().score_type()) {
+ case HashProbeScore::SCORE_CP:
+ std::cout << " cp " << line.value().score_cp() << " ";
+ break;
+ case HashProbeScore::SCORE_MATE:
+ std::cout << " mate " << line.value().score_mate() << " ";
+ break;
+ }
+ std::cout << line.depth() << std::endl;
+ }
+ std::cout << "END" << std::endl;
+ } else {
+ std::cout << "ERROR" << std::endl;
+ }
+ }
+
+ return 0;
+}
--- /dev/null
+#ifndef HASHPROBE_H_INCLUDED
+#define HASHPROBE_H_INCLUDED
+
+#include "position.h"
+#include "types.h"
+
+#include <deque>
+#include <string>
+
+#include <grpc/grpc.h>
+#include <grpc++/server.h>
+#include <grpc++/server_builder.h>
+#include "hashprobe.grpc.pb.h"
+
+class HashProbeImpl final : public hashprobe::HashProbe::Service {
+public:
+ grpc::Status Probe(grpc::ServerContext* context,
+ const hashprobe::HashProbeRequest* request,
+ hashprobe::HashProbeResponse *response);
+
+private:
+ void FillMove(Stockfish::Position* pos, Stockfish::Move move, hashprobe::HashProbeMove* decoded);
+ void ProbeMove(Stockfish::Position* pos, std::deque<Stockfish::StateInfo>* setup_states, bool invert, hashprobe::HashProbeLine* response);
+ void FillValue(Stockfish::Value value, hashprobe::HashProbeScore* score);
+};
+
+class HashProbeThread {
+public:
+ HashProbeThread(const std::string &server_address);
+ void Shutdown();
+
+private:
+ HashProbeImpl service;
+ grpc::ServerBuilder builder;
+ std::unique_ptr<grpc::Server> server;
+};
+
+#endif
--- /dev/null
+syntax = "proto3";
+package hashprobe;
+
+message HashProbeRequest {
+ string fen = 1;
+}
+message HashProbeResponse {
+ HashProbeLine root = 2;
+ repeated HashProbeLine line = 1;
+}
+message HashProbeLine {
+ HashProbeMove move = 1;
+ bool found = 2;
+
+ repeated HashProbeMove pv = 3;
+ HashProbeScore value = 4; // Dynamic eval (may be inexact, see the "bound" field)
+ HashProbeScore eval = 5; // Static eval
+ int32 depth = 6;
+
+ enum ValueBound {
+ BOUND_NONE = 0;
+ BOUND_UPPER = 1;
+ BOUND_LOWER = 2;
+ BOUND_EXACT = 3;
+ };
+ ValueBound bound = 7;
+}
+
+message HashProbeMove {
+ string from_sq = 1; // a1, a2, etc.
+ string to_sq = 2;
+ string promotion = 3; // Q, R, etc.
+
+ string pretty = 4; // e.g. Rxf6+
+}
+message HashProbeScore {
+ enum ScoreType {
+ SCORE_NONE = 0;
+ SCORE_CP = 1;
+ SCORE_MATE = 2;
+ }
+ ScoreType score_type = 1;
+ int32 score_cp = 2;
+ int32 score_mate = 3;
+}
+
+service HashProbe {
+ rpc Probe(HashProbeRequest) returns (HashProbeResponse) {}
+}
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <deque>
#include <iostream>
+#include <stack>
+#include <thread>
#include "bitboard.h"
#include "endgame.h"
#include "tt.h"
#include "uci.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;
using namespace Stockfish;
+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) == EN_PASSANT || 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) == EN_PASSANT || 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();
+}
+
int main(int argc, char* argv[]) {
std::cout << engine_info() << std::endl;
{
date >> month >> day >> year;
ss << setw(2) << day << setw(2) << (1 + months.find(month) / 4) << year.substr(2);
+ ss << "-asn";
}
ss << (to_uci ? "\nid author ": " by ")
thisThread = th;
set_state(st);
- assert(pos_is_ok());
-
return *this;
}
int MapA1D1D4[SQUARE_NB];
int MapKK[10][SQUARE_NB]; // [MapA1D1D4][SQUARE_NB]
-int Binomial[6][SQUARE_NB]; // [k][n] k elements from a set of n elements
+int Binomial[7][SQUARE_NB]; // [k][n] k elements from a set of n elements
int LeadPawnIdx[6][SQUARE_NB]; // [leadPawnsCnt][SQUARE_NB]
int LeadPawnsSize[6][4]; // [leadPawnsCnt][FILE_A..FILE_D]
Binomial[0][0] = 1;
for (int n = 1; n < 64; n++) // Squares
- for (int k = 0; k < 6 && k <= n; ++k) // Pieces
+ for (int k = 0; k < 7 && k <= n; ++k) // Pieces
Binomial[k][n] = (k > 0 ? Binomial[k - 1][n - 1] : 0)
+ (k < n ? Binomial[k ][n - 1] : 0);
#include "thread.h"
#include "tt.h"
#include "uci.h"
+#include "hashprobe.h"
#include "syzygy/tbprobe.h"
using std::string;
namespace Stockfish {
UCI::OptionsMap Options; // Global object
+std::unique_ptr<HashProbeThread> hash_probe_thread;
namespace UCI {
void on_tb_path(const Option& o) { Tablebases::init(o); }
void on_use_NNUE(const Option& ) { Eval::NNUE::init(); }
void on_eval_file(const Option& ) { Eval::NNUE::init(); }
+void on_rpc_server_address(const Option& o) {
+ if (hash_probe_thread) {
+ hash_probe_thread->Shutdown();
+ }
+ std::string addr = o;
+ hash_probe_thread.reset(new HashProbeThread(addr));
+}
/// Our case insensitive less() function as required by UCI protocol
bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const {
o["SyzygyProbeLimit"] << Option(7, 0, 7);
o["Use NNUE"] << Option(true, on_use_NNUE);
o["EvalFile"] << Option(EvalFileDefaultName, on_eval_file);
+ o["RPCServerAddress"] << Option("<empty>", on_rpc_server_address);
}
projects / stockfish / commitdiff