along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-
#if !defined(THREAD_H_INCLUDED)
#define THREAD_H_INCLUDED
-
-////
-//// Includes
-////
-
#include <cstring>
#include "lock.h"
#include "position.h"
#include "search.h"
-
-////
-//// Constants and variables
-////
-
-const int MAX_THREADS = 16;
+const int MAX_THREADS = 32;
const int MAX_ACTIVE_SPLIT_POINTS = 8;
-
-////
-//// Types
-////
-
struct SplitPoint {
// Const data after splitPoint has been setup
SplitPoint* parent;
const Position* pos;
Depth depth;
- bool pvNode, mateThreat;
+ bool pvNode;
Value beta;
int ply;
int master;
Move threatMove;
- SearchStack sstack[MAX_THREADS][PLY_MAX_PLUS_2];
// Const pointers to shared data
MovePicker* mp;
- SearchStack* parentSstack;
+ SearchStack* ss;
// Shared data
Lock lock;
volatile Value alpha;
volatile Value bestValue;
volatile int moveCount;
- volatile bool stopRequest;
+ volatile bool betaCutoff;
volatile int slaves[MAX_THREADS];
};
// ThreadState type is used to represent thread's current state
-
enum ThreadState
{
THREAD_INITIALIZING, // thread is initializing itself
};
struct Thread {
+ int maxPly;
+ Lock sleepLock;
+ WaitCondition sleepCond;
volatile ThreadState state;
SplitPoint* volatile splitPoint;
volatile int activeSplitPoints;
SplitPoint splitPoints[MAX_ACTIVE_SPLIT_POINTS];
-};
+ void wake_up() {
+ lock_grab(&sleepLock);
+ cond_signal(&sleepCond);
+ lock_release(&sleepLock);
+ }
+};
#endif // !defined(THREAD_H_INCLUDED)