#include #include #include #include "Timer.h" class Slotter : public QObject { Q_OBJECT; public: Slotter(QObject *p = nullptr) : QObject(p) {}; public Q_SLOTS: virtual void slottest(int &res) { res+= 1; }; }; class Emitter : public QObject { Q_OBJECT; public: Slotter *s; Emitter(Slotter *s) : QObject(s) { this->s = s; }; boost::signal< void(int &) > bsig; Q_SIGNALS: void sig(int &); public Q_SLOTS: void emittest(int &val) { Q_EMIT sig(val); }; void directtest(int &val) { s->slottest(val); }; void boosttest(int &val) { bsig(val); } }; int main(int argc, char **argv) { QCoreApplication a(argc, argv); Timer t; Slotter *s = new Slotter(); Slotter *s2 = new Slotter(); Emitter *e = new Emitter(s); int v; v = 0; t.restart(); for (int i=0;i<1000000;++i) s->slottest(v); printf("Raw : %8lld %d\n", t.elapsed(), v); v = 0; t.restart(); for (int i=0;i<1000000;++i) e->directtest(v); printf("Direct: %8lld %d\n", t.elapsed(), v); v = 0; t.restart(); for (int i=0;i<1000000;++i) e->emittest(v); printf("NoSig : %8lld %d\n", t.elapsed(), v); QObject::connect(e, SIGNAL(sig(int &)), s, SLOT(slottest(int &))); v = 0; t.restart(); for (int i=0;i<1000000;++i) e->emittest(v); printf("Signal: %8lld %d\n", t.elapsed(), v); QObject::connect(e, SIGNAL(sig(int &)), s2, SLOT(slottest(int &))); v = 0; t.restart(); for (int i=0;i<1000000;++i) e->emittest(v); printf("2Slots: %8lld %d\n", t.elapsed(), v); v = 0; t.restart(); for (int i=0;i<1000000;++i) e->boosttest(v); printf("BNoSig: %8lld %d\n", t.elapsed(), v); e->bsig.connect(boost::bind(&Slotter::slottest, s, _1)); v = 0; t.restart(); for (int i=0;i<1000000;++i) e->boosttest(v); printf("Boost: %8lld %d\n", t.elapsed(), v); e->bsig.connect(boost::bind(&Slotter::slottest, s2, _1)); v = 0; t.restart(); for (int i=0;i<1000000;++i) e->boosttest(v); printf("2Boost: %8lld %d\n", t.elapsed(), v); } #include "Emit.moc"