1 files changed, 49 insertions, 0 deletions
diff --git a/thirdparty/oidn/common/timer.h b/thirdparty/oidn/common/timer.h
new file mode 100644
index 0000000000..62aaaa1c33
--- /dev/null
+++ b/thirdparty/oidn/common/timer.h
@@ -0,0 +1,49 @@
+// ======================================================================== //
+// Copyright 2009-2019 Intel Corporation                                    //
+//                                                                          //
+// 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.                                           //
+// ======================================================================== //
+
+#pragma once
+
+#include "platform.h"
+#include <chrono>
+
+namespace oidn {
+
+  class Timer
+  {
+  private:
+    using clock = std::chrono::high_resolution_clock;
+
+    std::chrono::time_point<clock> start;
+
+  public:
+    Timer()
+    {
+      reset();
+    }
+
+    void reset()
+    {
+      start = clock::now();
+    }
+
+    double query() const
+    {
+      auto end = clock::now();
+      return std::chrono::duration_cast<std::chrono::duration<double>>(end - start).count();
+    }
+  };
+
+} // namespace oidn