Restore development version

[stockfish] / src / misc.cpp

diff --git a/src/misc.cpp b/src/misc.cpp
index 360bd2161a64bfeb783eefa8817dd52617301da3..86c16d36174d3e0bac9616efa54bcb532312219e 100644 (file)
--- a/src/misc.cpp
+++ b/src/misc.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) 2015-2017 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+  Copyright (C) 2015-2018 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
@@ -63,10 +63,10 @@ struct Tie: public streambuf { // MSVC requires split streambuf for cin and cout
 
   Tie(streambuf* b, streambuf* l) : buf(b), logBuf(l) {}
 
-  int sync() { return logBuf->pubsync(), buf->pubsync(); }
-  int overflow(int c) { return log(buf->sputc((char)c), "<< "); }
-  int underflow() { return buf->sgetc(); }
-  int uflow() { return log(buf->sbumpc(), ">> "); }
+  int sync() override { return logBuf->pubsync(), buf->pubsync(); }
+  int overflow(int c) override { return log(buf->sputc((char)c), "<< "); }
+  int underflow() override { return buf->sgetc(); }
+  int uflow() override { return log(buf->sbumpc(), ">> "); }
 
   streambuf *buf, *logBuf;
 
@@ -205,6 +205,12 @@ void prefetch(void* addr) {
 
 #endif
 
+void prefetch2(void* addr) {
+
+  prefetch(addr);
+  prefetch((uint8_t*)addr + 64);
+}
+
 namespace WinProcGroup {
 
 #ifndef _WIN32
@@ -287,14 +293,6 @@ int get_group(size_t idx) {
 
 void bindThisThread(size_t idx) {
 
-  // If OS already scheduled us on a different group than 0 then don't overwrite
-  // the choice, eventually we are one of many one-threaded processes running on
-  // some Windows NUMA hardware, for instance in fishtest. To make it simple,
-  // just check if running threads are below a threshold, in this case all this
-  // NUMA machinery is not needed.
-  if (Threads.size() < 8)
-      return;
-
   // Use only local variables to be thread-safe
   int group = get_group(idx);