thesis version

celero/inc/udm.h

@@ -0,0 +1,41 @@
+#ifndef BENCH_INC_UDM_H
+#define BENCH_INC_UDM_H
+
+#include <sys/time.h>
+#include <sys/resource.h>
+
+#include "../celero/Celero.h"
+
+class GetRusageUDM: public celero::UserDefinedMeasurementTemplate<std::size_t> {
+	std::string getName() const override { return "time"; }
+
+	bool reportSize() const override { return false; }
+	// bool reportMean() const override { return false; }
+	bool reportVariance() const override { return false; }
+	bool reportStandardDeviation() const override { return false; }
+	bool reportSkewness() const override { return false; }
+	bool reportKurtosis() const override { return false; }
+	bool reportZScore() const override { return false; }
+	bool reportMin() const override { return false; }
+	bool reportMax() const override { return false; }
+};
+
+class GetRusage {
+	int _who;
+	struct rusage _begin, _end;
+	int _iterations;
+
+public:
+	explicit GetRusage(int who = RUSAGE_SELF): _who{who} {}
+	void start(int iterations) { _iterations = iterations; getrusage(_who, &_begin); }
+	void stop() { getrusage(_who, &_end); }
+
+	std::size_t get() {
+		auto begin = _begin.ru_utime, end = _end.ru_utime;
+		auto totalUs = (end.tv_sec - begin.tv_sec) * 1e6 + (end.tv_usec - begin.tv_usec);
+		return totalUs/_iterations;
+	}
+};
+
+
+#endif