From: Marco Costalba <mcostalba@gmail.com>
Date: Mon, 12 Mar 2012 14:21:54 +0000 (+0100)
Subject: Don't sync with C library I/O buffers
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=9934b8ec31483ceb98c19dfe4fface14fe384b32

Don't sync with C library I/O buffers

Now we are forced to just use C++ iostream becuase
buffers are independent and using C library functions
like printf() or scanf() could yield to issues.

Speed up of about 1%.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
---

diff --git a/src/main.cpp b/src/main.cpp
index 0c94ed89..1b2fdf9d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -43,6 +43,11 @@ int main(int argc, char* argv[]) {
   Eval::init();
   TT.set_size(Options["Hash"]);
 
+  // Don't sync with C library I/O buffers, faster but now using printf()
+  // or scanf() could yield to issues because buffers are independent.
+  cout.sync_with_stdio(false);
+  cin.sync_with_stdio(false);
+
   cout << engine_info() << endl;
 
   if (argc == 1)