Speed-up some arrays reading

[stockfish] / src / uci.cpp

diff --git a/src/uci.cpp b/src/uci.cpp
index cfd253b1f586a5c8d7ddda7f50bb8b5b8162eeac..91a2260e28a86c7f519d4204e4c00d689cfb058f 100644 (file)
--- a/src/uci.cpp
+++ b/src/uci.cpp
@@ -2,7 +2,7 @@
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
   Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
-  Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+  Copyright (C) 2015-2017 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -29,6 +29,7 @@
 #include "thread.h"
 #include "timeman.h"
 #include "uci.h"
+#include "syzygy/tbprobe.h"
 
 using namespace std;
 
@@ -42,7 +43,7 @@ namespace {
   // A list to keep track of the position states along the setup moves (from the
   // start position to the position just before the search starts). Needed by
   // 'draw by repetition' detection.
-  StateListPtr States(new std::vector<StateInfo>(1));
+  StateListPtr States(new std::deque<StateInfo>(1));
 
 
   // position() is called when engine receives the "position" UCI command.
@@ -68,14 +69,14 @@ namespace {
     else
         return;
 
-    States = StateListPtr(new std::vector<StateInfo>(1));
+    States = StateListPtr(new std::deque<StateInfo>(1));
     pos.set(fen, Options["UCI_Chess960"], &States->back(), Threads.main());
 
     // Parse move list (if any)
     while (is >> token && (m = UCI::to_move(pos, token)) != MOVE_NONE)
     {
         States->push_back(StateInfo());
-        pos.do_move(m, States->back(), pos.gives_check(m, CheckInfo(pos)));
+        pos.do_move(m, States->back());
     }
   }
 
@@ -108,7 +109,7 @@ namespace {
   // the thinking time and other parameters from the input string, then starts
   // the search.
 
-  void go(const Position& pos, istringstream& is) {
+  void go(Position& pos, istringstream& is) {
 
     Search::LimitsType limits;
     string token;
@@ -186,6 +187,7 @@ void UCI::loop(int argc, char* argv[]) {
       else if (token == "ucinewgame")
       {
           Search::clear();
+          Tablebases::init(Options["SyzygyPath"]);
           Time.availableNodes = 0;
       }
       else if (token == "isready")    sync_cout << "readyok" << sync_endl;