// Used for debugging SMP code.
const bool FakeSplit = false;
+ // Fast lookup table of sliding pieces indexed by Piece
+ const bool Slidings[18] = { 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1 };
+ inline bool piece_is_slider(Piece p) { return Slidings[p]; }
+
// ThreadsManager class is used to handle all the threads related stuff in search,
// init, starting, parking and, the most important, launching a slave thread at a
// split point are what this class does. All the access to shared thread data is
const Value EasyMoveMargin = Value(0x200);
- /// Global variables
+ /// Namespace variables
+
+ // Book object
+ Book OpeningBook;
// Iteration counter
int Iteration;
void extract_pv_from_tt(const Position& pos, Move bestMove, Move pv[]);
#if !defined(_MSC_VER)
- void *init_thread(void *threadID);
+ void* init_thread(void* threadID);
#else
DWORD WINAPI init_thread(LPVOID threadID);
#endif
UseTimeManagement = !ExactMaxTime && !MaxDepth && !MaxNodes && !InfiniteSearch;
// Look for a book move, only during games, not tests
- if (UseTimeManagement && get_option_value_bool("OwnBook"))
+ if (UseTimeManagement && Options["OwnBook"].value<bool>())
{
- if (get_option_value_string("Book File") != OpeningBook.file_name())
- OpeningBook.open(get_option_value_string("Book File"));
+ if (Options["Book File"].value<std::string>() != OpeningBook.file_name())
+ OpeningBook.open(Options["Book File"].value<std::string>());
- Move bookMove = OpeningBook.get_move(pos, get_option_value_bool("Best Book Move"));
+ Move bookMove = OpeningBook.get_move(pos, Options["Best Book Move"].value<bool>());
if (bookMove != MOVE_NONE)
{
if (PonderSearch)
}
// Read UCI option values
- TT.set_size(get_option_value_int("Hash"));
- if (button_was_pressed("Clear Hash"))
+ TT.set_size(Options["Hash"].value<int>());
+ if (Options["Clear Hash"].value<bool>())
+ {
+ Options["Clear Hash"].set_value("false");
TT.clear();
+ }
- CheckExtension[1] = Depth(get_option_value_int("Check Extension (PV nodes)"));
- CheckExtension[0] = Depth(get_option_value_int("Check Extension (non-PV nodes)"));
- SingleEvasionExtension[1] = Depth(get_option_value_int("Single Evasion Extension (PV nodes)"));
- SingleEvasionExtension[0] = Depth(get_option_value_int("Single Evasion Extension (non-PV nodes)"));
- PawnPushTo7thExtension[1] = Depth(get_option_value_int("Pawn Push to 7th Extension (PV nodes)"));
- PawnPushTo7thExtension[0] = Depth(get_option_value_int("Pawn Push to 7th Extension (non-PV nodes)"));
- PassedPawnExtension[1] = Depth(get_option_value_int("Passed Pawn Extension (PV nodes)"));
- PassedPawnExtension[0] = Depth(get_option_value_int("Passed Pawn Extension (non-PV nodes)"));
- PawnEndgameExtension[1] = Depth(get_option_value_int("Pawn Endgame Extension (PV nodes)"));
- PawnEndgameExtension[0] = Depth(get_option_value_int("Pawn Endgame Extension (non-PV nodes)"));
- MateThreatExtension[1] = Depth(get_option_value_int("Mate Threat Extension (PV nodes)"));
- MateThreatExtension[0] = Depth(get_option_value_int("Mate Threat Extension (non-PV nodes)"));
-
- MinimumSplitDepth = get_option_value_int("Minimum Split Depth") * ONE_PLY;
- MaxThreadsPerSplitPoint = get_option_value_int("Maximum Number of Threads per Split Point");
- MultiPV = get_option_value_int("MultiPV");
- UseLogFile = get_option_value_bool("Use Search Log");
+ CheckExtension[1] = Options["Check Extension (PV nodes)"].value<Depth>();
+ CheckExtension[0] = Options["Check Extension (non-PV nodes)"].value<Depth>();
+ SingleEvasionExtension[1] = Options["Single Evasion Extension (PV nodes)"].value<Depth>();
+ SingleEvasionExtension[0] = Options["Single Evasion Extension (non-PV nodes)"].value<Depth>();
+ PawnPushTo7thExtension[1] = Options["Pawn Push to 7th Extension (PV nodes)"].value<Depth>();
+ PawnPushTo7thExtension[0] = Options["Pawn Push to 7th Extension (non-PV nodes)"].value<Depth>();
+ PassedPawnExtension[1] = Options["Passed Pawn Extension (PV nodes)"].value<Depth>();
+ PassedPawnExtension[0] = Options["Passed Pawn Extension (non-PV nodes)"].value<Depth>();
+ PawnEndgameExtension[1] = Options["Pawn Endgame Extension (PV nodes)"].value<Depth>();
+ PawnEndgameExtension[0] = Options["Pawn Endgame Extension (non-PV nodes)"].value<Depth>();
+ MateThreatExtension[1] = Options["Mate Threat Extension (PV nodes)"].value<Depth>();
+ MateThreatExtension[0] = Options["Mate Threat Extension (non-PV nodes)"].value<Depth>();
+
+ MinimumSplitDepth = Options["Minimum Split Depth"].value<int>() * ONE_PLY;
+ MaxThreadsPerSplitPoint = Options["Maximum Number of Threads per Split Point"].value<int>();
+ MultiPV = Options["MultiPV"].value<int>();
+ UseLogFile = Options["Use Search Log"].value<bool>();
if (UseLogFile)
- LogFile.open(get_option_value_string("Search Log Filename").c_str(), std::ios::out | std::ios::app);
+ LogFile.open(Options["Search Log Filename"].value<std::string>().c_str(), std::ios::out | std::ios::app);
read_weights(pos.side_to_move());
// Set the number of active threads
- int newActiveThreads = get_option_value_int("Threads");
+ int newActiveThreads = Options["Threads"].value<int>();
if (newActiveThreads != ThreadsMgr.active_threads())
{
ThreadsMgr.set_active_threads(newActiveThreads);
int t = current_search_time();
// Poll for input
- if (Bioskey())
+ if (data_available())
{
// We are line oriented, don't read single chars
std::string command;
#if !defined(_MSC_VER)
- void* init_thread(void *threadID) {
+ void* init_thread(void* threadID) {
ThreadsMgr.idle_loop(*(int*)threadID, NULL);
return NULL;
void ThreadsManager::init_threads() {
- volatile int i;
+ int i, arg[MAX_THREADS];
bool ok;
// Initialize global locks
// Launch the helper threads
for (i = 1; i < MAX_THREADS; i++)
{
+ arg[i] = i;
#if !defined(_MSC_VER)
pthread_t pthread[1];
- ok = (pthread_create(pthread, NULL, init_thread, (void*)(&i)) == 0);
+ ok = (pthread_create(pthread, NULL, init_thread, (void*)(&arg[i])) == 0);
pthread_detach(pthread[0]);
#else
- ok = (CreateThread(NULL, 0, init_thread, (LPVOID)(&i), 0, NULL) != NULL);
+ ok = (CreateThread(NULL, 0, init_thread, (LPVOID)(&arg[i]), 0, NULL) != NULL);
#endif
-
if (!ok)
{
cout << "Failed to create thread number " << i << endl;
- Application::exit_with_failure();
+ exit(EXIT_FAILURE);
}
// Wait until the thread has finished launching and is gone to sleep