X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.h;h=d06291ebd61526a1a4b672833489ba2979d5c185;hp=6fda35f8209c390a25dda1ca70fece81b5ba2d46;hb=b4acf83704c9bab4d78d9ec76ecbdfbfa0b0c88c;hpb=6e5bb3279f84428818f65cbcb9903ba77fd28423 diff --git a/src/thread.h b/src/thread.h index 6fda35f8..d06291eb 100644 --- a/src/thread.h +++ b/src/thread.h @@ -38,8 +38,8 @@ //// Constants and variables //// -const int MAX_THREADS = 8; -const int ACTIVE_SPLIT_POINTS_MAX = 8; +const int MAX_THREADS = 16; +const int MAX_ACTIVE_SPLIT_POINTS = 8; //// @@ -55,6 +55,8 @@ struct SplitPoint { bool pvNode, mateThreat; Value beta; int ply; + int master; + Move threatMove; SearchStack sstack[MAX_THREADS][PLY_MAX_PLUS_2]; // Const pointers to shared data @@ -63,10 +65,11 @@ struct SplitPoint { // Shared data Lock lock; + volatile int64_t nodes; volatile Value alpha; volatile Value bestValue; volatile int moveCount; - volatile bool stopRequest; + volatile bool betaCutoff; volatile int slaves[MAX_THREADS]; }; @@ -74,21 +77,19 @@ struct SplitPoint { enum ThreadState { + THREAD_INITIALIZING, // thread is initializing itself THREAD_SEARCHING, // thread is performing work - THREAD_AVAILABLE, // thread is polling for work - THREAD_SLEEPING, // we are not thinking, so thread is sleeping + THREAD_AVAILABLE, // thread is waiting for work THREAD_BOOKED, // other thread (master) has booked us as a slave THREAD_WORKISWAITING, // master has ordered us to start THREAD_TERMINATED // we are quitting and thread is terminated }; struct Thread { - SplitPoint* splitPoint; - volatile int activeSplitPoints; - uint64_t nodes; - uint64_t betaCutOffs[2]; volatile ThreadState state; - unsigned char pad[64]; // set some distance among local data for each thread + SplitPoint* volatile splitPoint; + volatile int activeSplitPoints; + SplitPoint splitPoints[MAX_ACTIVE_SPLIT_POINTS]; };