template <typename C>
auto f1(C&& c) {
   return std::accumulate(c.begin(), c.end(), 0);
}

template <typename C>
auto f2(C&& c) {
   auto s = 0;

   for (auto&& e : c) {
       s += e;
   }

   return s;
}


int main() {
   std::random_device dev;
   std::mt19937 rng(dev());
   std::uniform_int_distribution<std::mt19937::result_type> dist(1,100500);

   std::vector<int> v(5000);

   std::generate(v.begin(), v.end(), [&]{ return dist(rng); });
   int s1 = f1(v);
   int s2 = f2(v);

   return s1 + s2;
}

Quickly benchmark C++ runtimes

Quickly benchmark C++ runtimes

Quickly benchmark C++ runtimes

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