endif
### Source and object files
- 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 \
+ SRCS = benchmark.cpp bitboard.cpp evaluate.cpp main.cpp \
+ misc.cpp movegen.cpp movepick.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_hm.cpp
+ nnue/evaluate_nnue.cpp nnue/features/half_ka_v2_hm.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 -Wmissing-declarations
+ CXXFLAGS += -pedantic -Wextra -Wmissing-declarations
ifeq ($(arch),$(filter $(arch),armv7 armv8 riscv64))
ifeq ($(OS),Android)
### 3.3 Optimization
ifeq ($(optimize),yes)
- CXXFLAGS += -O3
+ CXXFLAGS += -O3 -g
ifeq ($(comp),gcc)
ifeq ($(OS), Android)
endif
### 3.7.1 Try to include git commit sha for versioning
- GIT_SHA = $(shell git rev-parse --short HEAD 2>/dev/null)
+ GIT_SHA = $(shell git rev-parse HEAD 2>/dev/null | cut -c 1-8)
ifneq ($(GIT_SHA), )
CXXFLAGS += -DGIT_SHA=$(GIT_SHA)
endif
### Section 5. Private Targets
### ==========================================================================
-all: $(EXE) .depend
+all: $(EXE) client .depend
config-sanity: net
@echo ""
EXTRALDFLAGS='-fprofile-use ' \
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 += -Wl,--start-group /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/libaddress_sorting.a /usr/lib/x86_64-linux-gnu/libupb.a /usr/lib/x86_64-linux-gnu/libcares.a /usr/lib/x86_64-linux-gnu/libgpr.a /usr/lib/x86_64-linux-gnu/libabsl_*.a -Wl,--end-group -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: $(SRCS)
-@$(CXX) $(DEPENDFLAGS) -MM $(SRCS) > $@ 2> /dev/null
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 "position.h"
#include "psqt.h"
#include "search.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 &= ~square_bb(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) {
+ TTEntry entry_copy = *entry;
+ Value value = entry_copy.value();
+ Value eval = entry_copy.eval();
+ Bound bound = entry_copy.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_copy.depth());
+ FillValue(eval, response->mutable_eval());
+ if (entry_copy.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 (is_ok(entry_copy.move()) &&
+ pos->pseudo_legal(entry_copy.move()) &&
+ pos->legal(entry_copy.move())) {
+ FillMove(pos, entry_copy.move(), response->add_pv());
+ if (seen.count(pos->key())) break;
+ pv.push(entry_copy.move());
+ seen.insert(pos->key());
+ setup_states->push_back(StateInfo());
+ pos->do_move(entry_copy.move(), setup_states->back());
+ entry = TT.probe(pos->key(), found);
+ if (!found) {
+ break;
+ }
+ entry_copy = *entry;
+ }
+
+ // 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;
PSQT::init();
Bitboards::init();
Position::init();
- Bitbases::init();
- Endgames::init();
Threads.set(size_t(Options["Threads"]));
Search::clear(); // After threads are up
Eval::NNUE::init();
ss << year << setw(2) << setfill('0') << (1 + months.find(month) / 4) << setw(2) << setfill('0') << day;
#endif
- ss << "-";
-
- #ifdef GIT_SHA
- ss << stringify(GIT_SHA);
- #else
- ss << "nogit";
- #endif
+ ss << "-asn";
}
ss << (to_uci ? "\nid author ": " by ")
return nullptr;
// Dynamically link OpenProcessToken, LookupPrivilegeValue and AdjustTokenPrivileges
- HMODULE k32 = GetModuleHandle("Advapi32.dll");
- auto fun6 = (fun6_t)(void(*)())GetProcAddress(k32, "OpenProcessToken");
+
+ HMODULE hAdvapi32 = GetModuleHandle(TEXT("advapi32.dll"));
+
+ if (!hAdvapi32)
+ hAdvapi32 = LoadLibrary(TEXT("advapi32.dll"));
+
+ auto fun6 = (fun6_t)(void(*)())GetProcAddress(hAdvapi32, "OpenProcessToken");
if (!fun6)
return nullptr;
- auto fun7 = (fun7_t)(void(*)())GetProcAddress(k32, "LookupPrivilegeValueA");
+ auto fun7 = (fun7_t)(void(*)())GetProcAddress(hAdvapi32, "LookupPrivilegeValueA");
if (!fun7)
return nullptr;
- auto fun8 = (fun8_t)(void(*)())GetProcAddress(k32, "AdjustTokenPrivileges");
+ auto fun8 = (fun8_t)(void(*)())GetProcAddress(hAdvapi32, "AdjustTokenPrivileges");
if (!fun8)
return nullptr;
-
// We need SeLockMemoryPrivilege, so try to enable it for the process
- // OpenProcessToken()
- if (!fun6(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hProcessToken))
- return nullptr;
+ if (!fun6( // OpenProcessToken()
+ GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hProcessToken))
+ return nullptr;
- // LookupPrivilegeValueA()
- if (fun7(nullptr, SE_LOCK_MEMORY_NAME, &luid))
+ if (fun7( // LookupPrivilegeValue(nullptr, SE_LOCK_MEMORY_NAME, &luid)
+ nullptr, "SeLockMemoryPrivilege", &luid))
{
TOKEN_PRIVILEGES tp { };
TOKEN_PRIVILEGES prevTp { };
// Try to enable SeLockMemoryPrivilege. Note that even if AdjustTokenPrivileges() succeeds,
// we still need to query GetLastError() to ensure that the privileges were actually obtained.
- // AdjustTokenPrivileges()
- if (fun8(
+ if (fun8( // AdjustTokenPrivileges()
hProcessToken, FALSE, &tp, sizeof(TOKEN_PRIVILEGES), &prevTp, &prevTpLen) &&
GetLastError() == ERROR_SUCCESS)
{
nullptr, allocSize, MEM_RESERVE | MEM_COMMIT | MEM_LARGE_PAGES, PAGE_READWRITE);
// Privilege no longer needed, restore previous state
- // AdjustTokenPrivileges ()
- fun8(hProcessToken, FALSE, &prevTp, 0, nullptr, nullptr);
+ fun8( // AdjustTokenPrivileges ()
+ hProcessToken, FALSE, &prevTp, 0, nullptr, nullptr);
}
}
thisThread = th;
set_state();
- assert(pos_is_ok());
-
return *this;
}
/// Position::set_state() computes the hash keys of the position, and other
/// data that once computed is updated incrementally as moves are made.
- /// The function is only used when a new position is set up, and to verify
- /// the correctness of the StateInfo data when running in debug mode.
+ /// The function is only used when a new position is set up
void Position::set_state() const {
return true;
// Is there a discovered check?
- if ( (blockers_for_king(~sideToMove) & from)
- && !aligned(from, to, square<KING>(~sideToMove)))
- return true;
+ if (blockers_for_king(~sideToMove) & from)
+ return !aligned(from, to, square<KING>(~sideToMove))
+ || type_of(m) == CASTLING;
switch (type_of(m))
{
default: //CASTLING
{
// Castling is encoded as 'king captures the rook'
- Square ksq = square<KING>(~sideToMove);
Square rto = relative_square(sideToMove, to > from ? SQ_F1 : SQ_D1);
- return (attacks_bb<ROOK>(rto) & ksq)
- && (attacks_bb<ROOK>(rto, pieces() ^ from ^ to) & ksq);
+ return check_squares(ROOK) & rto;
}
}
}
else
st->nonPawnMaterial[them] -= PieceValue[MG][captured];
- if (Eval::useNNUE)
- {
- dp.dirty_num = 2; // 1 piece moved, 1 piece captured
- dp.piece[1] = captured;
- dp.from[1] = capsq;
- dp.to[1] = SQ_NONE;
- }
+ dp.dirty_num = 2; // 1 piece moved, 1 piece captured
+ dp.piece[1] = captured;
+ dp.from[1] = capsq;
+ dp.to[1] = SQ_NONE;
// Update board and piece lists
remove_piece(capsq);
// Update material hash key and prefetch access to materialTable
k ^= Zobrist::psq[captured][capsq];
st->materialKey ^= Zobrist::psq[captured][pieceCount[captured]];
- prefetch(thisThread->materialTable[st->materialKey]);
// Reset rule 50 counter
st->rule50 = 0;
// Move the piece. The tricky Chess960 castling is handled earlier
if (type_of(m) != CASTLING)
{
- if (Eval::useNNUE)
- {
- dp.piece[0] = pc;
- dp.from[0] = from;
- dp.to[0] = to;
- }
+ dp.piece[0] = pc;
+ dp.from[0] = from;
+ dp.to[0] = to;
move_piece(from, to);
}
remove_piece(to);
put_piece(promotion, to);
- if (Eval::useNNUE)
- {
- // Promoting pawn to SQ_NONE, promoted piece from SQ_NONE
- dp.to[0] = SQ_NONE;
- dp.piece[dp.dirty_num] = promotion;
- dp.from[dp.dirty_num] = SQ_NONE;
- dp.to[dp.dirty_num] = to;
- dp.dirty_num++;
- }
+ // Promoting pawn to SQ_NONE, promoted piece from SQ_NONE
+ dp.to[0] = SQ_NONE;
+ dp.piece[dp.dirty_num] = promotion;
+ dp.from[dp.dirty_num] = SQ_NONE;
+ dp.to[dp.dirty_num] = to;
+ dp.dirty_num++;
// Update hash keys
k ^= Zobrist::psq[pc][to] ^ Zobrist::psq[promotion][to];
rto = relative_square(us, kingSide ? SQ_F1 : SQ_D1);
to = relative_square(us, kingSide ? SQ_G1 : SQ_C1);
- if (Do && Eval::useNNUE)
+ if (Do)
{
auto& dp = st->dirtyPiece;
dp.piece[0] = make_piece(us, KING);
#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 {
static void on_logger(const Option& o) { start_logger(o); }
static void on_threads(const Option& o) { Threads.set(size_t(o)); }
static void on_tb_path(const Option& o) { Tablebases::init(o); }
-static void on_eval_file(const Option&) { Eval::NNUE::init(); }
+static void on_use_NNUE(const Option& ) { Eval::NNUE::init(); }
+static void on_eval_file(const Option& ) { Eval::NNUE::init(); }
+static 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["SyzygyProbeDepth"] << Option(1, 1, 100);
o["Syzygy50MoveRule"] << Option(true);
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);
}
Option::Option(const char* v, const char* cur, OnChange f) : type("combo"), min(0), max(0), on_change(f)
{ defaultValue = v; currentValue = cur; }
- Option::operator double() const {
+ Option::operator int() const {
assert(type == "check" || type == "spin");
- return (type == "spin" ? stof(currentValue) : currentValue == "true");
+ return (type == "spin" ? std::stoi(currentValue) : currentValue == "true");
}
Option::operator std::string() const {