X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.h;h=d06291ebd61526a1a4b672833489ba2979d5c185;hp=869778401585bac199b98a1a39f28d82ca218d10;hb=b4acf83704c9bab4d78d9ec76ecbdfbfa0b0c88c;hpb=9fc602bae74b8e09bd45ace3b42a8ce84d56b23c diff --git a/src/thread.h b/src/thread.h index 86977840..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; //// @@ -51,11 +51,12 @@ struct SplitPoint { // Const data after splitPoint has been setup SplitPoint* parent; const Position* pos; - bool pvNode; Depth depth; - bool mateThreat; + bool pvNode, mateThreat; Value beta; - int ply, master, slaves[MAX_THREADS]; + int ply; + int master; + Move threatMove; SearchStack sstack[MAX_THREADS][PLY_MAX_PLUS_2]; // Const pointers to shared data @@ -64,32 +65,31 @@ struct SplitPoint { // Shared data Lock lock; + volatile int64_t nodes; volatile Value alpha; volatile Value bestValue; - volatile int moves; - volatile int cpus; - volatile bool stopRequest; + volatile int moveCount; + 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 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]; };