--- /dev/null
+#ifndef _BENCHMARK_H
+#define _BENChMARK_H 1
+
+// Benchmark timing functions for reading out used CPU time. Not thread-safe
+// as they store the information in a global variable.
+void start_benchmark_timer();
+double stop_benchmark_timer();
+
+#endif /* !defined(_BENCHMARK_H) */
+
+