X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fthread.h;h=8d0adcf0340460373073516fac7f5d0f37196ecd;hb=b25d68f6ee2d016cc0c14b076e79e6c44fdaea2a;hp=c05fa941a12b7f4f304c051167297f464956a2f6;hpb=be7a03a957d5c2590a329f8f47acea8af2305adf;p=stockfish

diff --git a/src/thread.h b/src/thread.h
index c05fa941..8d0adcf0 100644
--- a/src/thread.h
+++ b/src/thread.h
@@ -1,6 +1,6 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (C) 2004-2020 The Stockfish developers (see AUTHORS file)
+  Copyright (C) 2004-2023 The Stockfish developers (see AUTHORS file)
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -21,17 +21,18 @@
 
 #include <atomic>
 #include <condition_variable>
+#include <cstddef>
+#include <cstdint>
 #include <mutex>
-#include <thread>
 #include <vector>
 
-#include "material.h"
 #include "movepick.h"
-#include "pawns.h"
 #include "position.h"
 #include "search.h"
 #include "thread_win32_osx.h"
+#include "types.h"
 
+namespace Stockfish {
 
 /// Thread class keeps together all the thread-related stuff. We use
 /// per-thread pawn and material hash tables so that once we get a
@@ -54,27 +55,23 @@ public:
   void idle_loop();
   void start_searching();
   void wait_for_search_finished();
+  size_t id() const { return idx; }
 
-  Pawns::Table pawnsTable;
-  Material::Table materialTable;
   size_t pvIdx, pvLast;
-  uint64_t ttHitAverage;
-  int selDepth, nmpMinPly;
-  Color nmpColor;
   std::atomic<uint64_t> nodes, tbHits, bestMoveChanges;
+  int selDepth, nmpMinPly;
+  Value bestValue, optimism[COLOR_NB];
 
   Position rootPos;
   StateInfo rootState;
   Search::RootMoves rootMoves;
   Depth rootDepth, completedDepth;
+  Value rootDelta;
+  Value rootSimpleEval;
   CounterMoveHistory counterMoves;
   ButterflyHistory mainHistory;
-  ButterflyHistory staticHistory;
-  LowPlyHistory lowPlyHistory;
   CapturePieceToHistory captureHistory;
   ContinuationHistory continuationHistory[2][2];
-  Score contempt;
-  int failedHighCnt;
 };
 
 
@@ -89,6 +86,7 @@ struct MainThread : public Thread {
 
   double previousTimeReduction;
   Value bestPreviousScore;
+  Value bestPreviousAverageScore;
   Value iterValue[4];
   int callsCnt;
   bool stopOnPonderhit;
@@ -100,13 +98,13 @@ struct MainThread : public Thread {
 /// parking and, most importantly, launching a thread. All the access to threads
 /// is done through this class.
 
-struct ThreadPool : public std::vector<Thread*> {
+struct ThreadPool {
 
   void start_thinking(Position&, StateListPtr&, const Search::LimitsType&, bool = false);
   void clear();
   void set(size_t);
 
-  MainThread* main()        const { return static_cast<MainThread*>(front()); }
+  MainThread* main()        const { return static_cast<MainThread*>(threads.front()); }
   uint64_t nodes_searched() const { return accumulate(&Thread::nodes); }
   uint64_t tb_hits()        const { return accumulate(&Thread::tbHits); }
   Thread* get_best_thread() const;
@@ -115,13 +113,21 @@ struct ThreadPool : public std::vector<Thread*> {
 
   std::atomic_bool stop, increaseDepth;
 
+  auto cbegin() const noexcept { return threads.cbegin(); }
+  auto begin() noexcept { return threads.begin(); }
+  auto end() noexcept { return threads.end(); }
+  auto cend() const noexcept { return threads.cend(); }
+  auto size() const noexcept { return threads.size(); }
+  auto empty() const noexcept { return threads.empty(); }
+
 private:
   StateListPtr setupStates;
+  std::vector<Thread*> threads;
 
   uint64_t accumulate(std::atomic<uint64_t> Thread::* member) const {
 
     uint64_t sum = 0;
-    for (Thread* th : *this)
+    for (Thread* th : threads)
         sum += (th->*member).load(std::memory_order_relaxed);
     return sum;
   }
@@ -129,4 +135,6 @@ private:
 
 extern ThreadPool Threads;
 
+} // namespace Stockfish
+
 #endif // #ifndef THREAD_H_INCLUDED