[C++] Set CPU affinity

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

1 files changed, 21 insertions, 0 deletions

diff --git a/affinity.h b/affinity.h
new file mode 100644
index 0000000..e6f6adc
--- /dev/null
+++ b/affinity.h
@@ -0,0 +1,21 @@
+// Copyright 2016 Google Inc. All rights reserved
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef AFFINITY_H_
+#define AFFINITY_H_
+
+void SetAffinityForSingleThread();
+void SetAffinityForMultiThread();
+
+#endif