X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.h;h=d06291ebd61526a1a4b672833489ba2979d5c185;hp=c209e125d1de0e62ec313307bdcd7d22c6b3f6ff;hb=dee878082960be198fdb1493940b3d8a2be0bd58;hpb=d004ec924de058f46076b23c0cf244d46e752ac7 diff --git a/src/thread.h b/src/thread.h index c209e125..d06291eb 100644 --- a/src/thread.h +++ b/src/thread.h @@ -38,7 +38,7 @@ //// Constants and variables //// -const int MAX_THREADS = 8; +const int MAX_THREADS = 16; const int MAX_ACTIVE_SPLIT_POINTS = 8; @@ -55,6 +55,7 @@ struct SplitPoint { bool pvNode, mateThreat; Value beta; int ply; + int master; Move threatMove; SearchStack sstack[MAX_THREADS][PLY_MAX_PLUS_2]; @@ -64,10 +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]; }; @@ -75,17 +77,15 @@ 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 { - uint64_t nodes; - uint64_t betaCutOffs[2]; volatile ThreadState state; SplitPoint* volatile splitPoint; volatile int activeSplitPoints;