rename #1

src/util/_Benchmark.hpp

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <QDebug>
+#include <QElapsedTimer>
+#include <boost/current_function.hpp>
+#include <boost/noncopyable.hpp>
+
+#define BENCH(x)     \
+    QElapsedTimer x; \
+    x.start();
+
+#define MARK(x)                                    \
+    qDebug() << BOOST_CURRENT_FUNCTION << __LINE__ \
+             << static_cast<float>(x.nsecsElapsed()) / 1000000.0 << "ms";
+
+class BenchmarkGuard : boost::noncopyable
+{
+    QElapsedTimer timer;
+    QString name;
+
+public:
+    BenchmarkGuard(const QString &_name)
+        : name(_name)
+    {
+        timer.start();
+    }
+
+    ~BenchmarkGuard()
+    {
+        qDebug() << this->name << float(timer.nsecsElapsed()) / 1000000.0f << "ms";
+    }
+
+    qreal getElapsedMs()
+    {
+        return qreal(timer.nsecsElapsed()) / 1000000.0;
+    }
+};