Updated to initial implementation using cpp.

Timer.h

@@ -0,0 +1,29 @@
+#pragma once
+#include <chrono>
+#include <atomic>
+
+namespace tools
+{
+    template <typename Clock = std::chrono::high_resolution_clock>
+    class stopwatch
+    {
+        const typename Clock::time_point start_point;
+    public:
+        stopwatch() :
+            start_point(Clock::now())
+        {}
+
+        template <typename Rep = typename Clock::duration::rep, typename Units = typename Clock::duration>
+        Rep elapsed_time() const
+        {
+            std::atomic_thread_fence(std::memory_order_relaxed);
+            auto counted_time = std::chrono::duration_cast<Units>(Clock::now() - start_point).count();
+            std::atomic_thread_fence(std::memory_order_relaxed);
+            return static_cast<Rep>(counted_time);
+        }
+    };
+
+    using precise_stopwatch = stopwatch<>;
+    using system_stopwatch = stopwatch<std::chrono::system_clock>;
+    using monotonic_stopwatch = stopwatch<std::chrono::steady_clock>;
+}