X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmisc.cpp;h=33c3f1f70acceb9287ab08a36aed4db62a432064;hp=8cfba7341fa7fe7256fdaafa440dc3140ae9dbcd;hb=0a18adb02ac375f7d7fc31ef76b59e13a0263773;hpb=482b5b7ecebc85e427c2c839337c7a893ae3e402

diff --git a/src/misc.cpp b/src/misc.cpp
index 8cfba734..33c3f1f7 100644
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -17,25 +17,6 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#if defined(_WIN32) || defined(_WIN64)
-
-#define NOMINMAX // disable macros min() and max()
-#include <windows.h>
-
-#else
-
-#  include <unistd.h>
-#  if defined(__hpux)
-#     include <sys/pstat.h>
-#  endif
-
-#endif
-
-#if !defined(NO_PREFETCH)
-#  include <xmmintrin.h>
-#endif
-
-#include <algorithm>
 #include <iomanip>
 #include <iostream>
 #include <sstream>
@@ -43,12 +24,16 @@
 #include "misc.h"
 #include "thread.h"
 
+#if defined(__hpux)
+#    include <sys/pstat.h>
+#endif
+
 using namespace std;
 
 /// Version number. If Version is left empty, then Tag plus current
 /// date (in the format YYMMDD) is used as a version number.
 
-static const string Version = "";
+static const string Version = "2.3";
 static const string Tag = "";
 
 
@@ -66,17 +51,15 @@ const string engine_info(bool to_uci) {
   string month, day, year;
   stringstream s, date(__DATE__); // From compiler, format is "Sep 21 2008"
 
+  s << "Stockfish " << Version;
+
   if (Version.empty())
   {
       date >> month >> day >> year;
 
-      s << "Stockfish " << Tag
-        << setfill('0') << " " << year.substr(2)
-        << setw(2) << (1 + months.find(month) / 4)
-        << setw(2) << day;
+      s << Tag << setfill('0') << " " << year.substr(2)
+        << setw(2) << (1 + months.find(month) / 4) << setw(2) << day;
   }
-  else
-      s << "Stockfish " << Version;
 
   s << cpu64 << popcnt << (to_uci ? "\nid author ": " by ")
     << "Tord Romstad, Marco Costalba and Joona Kiiski";
@@ -85,6 +68,13 @@ const string engine_info(bool to_uci) {
 }
 
 
+/// Convert system time to milliseconds. That's all we need.
+
+Time::point Time::now() {
+  sys_time_t t; system_time(&t); return time_to_msec(t);
+}
+
+
 /// Debug functions used mainly to collect run-time statistics
 
 static uint64_t hits[2], means[2];
@@ -105,6 +95,85 @@ void dbg_print() {
 }
 
 
+/// Our fancy logging facility. The trick here is to replace cin.rdbuf() and
+/// cout.rdbuf() with two Tie objects that tie cin and cout to a file stream. We
+/// can toggle the logging of std::cout and std:cin at runtime while preserving
+/// usual i/o functionality and without changing a single line of code!
+/// Idea from http://groups.google.com/group/comp.lang.c++/msg/1d941c0f26ea0d81
+
+struct Tie: public streambuf { // MSVC requires splitted streambuf for cin and cout
+
+  Tie(streambuf* b, ofstream* f) : buf(b), file(f) {}
+
+  int sync() { return file->rdbuf()->pubsync(), buf->pubsync(); }
+  int overflow(int c) { return log(buf->sputc((char)c), "<< "); }
+  int underflow() { return buf->sgetc(); }
+  int uflow() { return log(buf->sbumpc(), ">> "); }
+
+  streambuf* buf;
+  ofstream* file;
+
+  int log(int c, const char* prefix) {
+
+    static int last = '\n';
+
+    if (last == '\n')
+        file->rdbuf()->sputn(prefix, 3);
+
+    return last = file->rdbuf()->sputc((char)c);
+  }
+};
+
+class Logger {
+
+  Logger() : in(cin.rdbuf(), &file), out(cout.rdbuf(), &file) {}
+ ~Logger() { start(false); }
+
+  ofstream file;
+  Tie in, out;
+
+public:
+  static void start(bool b) {
+
+    static Logger l;
+
+    if (b && !l.file.is_open())
+    {
+        l.file.open("io_log.txt", ifstream::out | ifstream::app);
+        cin.rdbuf(&l.in);
+        cout.rdbuf(&l.out);
+    }
+    else if (!b && l.file.is_open())
+    {
+        cout.rdbuf(l.out.buf);
+        cin.rdbuf(l.in.buf);
+        l.file.close();
+    }
+  }
+};
+
+
+/// Used to serialize access to std::cout to avoid multiple threads to write at
+/// the same time.
+
+std::ostream& operator<<(std::ostream& os, SyncCout sc) {
+
+  static Mutex m;
+
+  if (sc == io_lock)
+      m.lock();
+
+  if (sc == io_unlock)
+      m.unlock();
+
+  return os;
+}
+
+
+/// Trampoline helper to avoid moving Logger to misc.h
+void start_logger(bool b) { Logger::start(b); }
+
+
 /// cpu_count() tries to detect the number of CPU cores
 
 int cpu_count() {
@@ -112,16 +181,16 @@ int cpu_count() {
 #if defined(_WIN32) || defined(_WIN64)
   SYSTEM_INFO s;
   GetSystemInfo(&s);
-  return std::min(int(s.dwNumberOfProcessors), MAX_THREADS);
+  return s.dwNumberOfProcessors;
 #else
 
 #  if defined(_SC_NPROCESSORS_ONLN)
-  return std::min((int)sysconf(_SC_NPROCESSORS_ONLN), MAX_THREADS);
+  return sysconf(_SC_NPROCESSORS_ONLN);
 #  elif defined(__hpux)
   struct pst_dynamic psd;
   if (pstat_getdynamic(&psd, sizeof(psd), (size_t)1, 0) == -1)
       return 1;
-  return std::min((int)psd.psd_proc_cnt, MAX_THREADS);
+  return psd.psd_proc_cnt;
 #  else
   return 1;
 #  endif
@@ -139,7 +208,7 @@ void timed_wait(WaitCondition& sleepCond, Lock& sleepLock, int msec) {
   int tm = msec;
 #else
   timespec ts, *tm = &ts;
-  uint64_t ms = Time::current_time().msec() + msec;
+  uint64_t ms = Time::now() + msec;
 
   ts.tv_sec = ms / 1000;
   ts.tv_nsec = (ms % 1000) * 1000000LL;
@@ -158,6 +227,8 @@ void prefetch(char*) {}
 
 #else
 
+#   include <xmmintrin.h>
+
 void prefetch(char* addr) {
 
 #  if defined(__INTEL_COMPILER) || defined(__ICL)