[C++] Set CPU affinity

Sticking to a single processor improves the performance while
we are running only a single thread.

1 files changed, 3 insertions, 0 deletions

diff --git a/main.cc b/main.cc
index 0c0dfd0..c732dda 100644
--- a/main.cc
+++ b/main.cc
@@ -21,6 +21,7 @@
 #include <time.h>
 #include <unistd.h>
 
+#include "affinity.h"
 #include "dep.h"
 #include "eval.h"
 #include "exec.h"
@@ -133,6 +134,8 @@ static int Run(const vector<Symbol>& targets,
     ClearGlobCache();
   }
 
+  SetAffinityForSingleThread();
+
   MakefileCacheManager* cache_mgr = NewMakefileCacheManager();
 
   Vars* vars = new Vars();