libstdc++-v3/testsuite/23_containers/vector/profile/vector.cc

   1 // Test vector: performance difference 25% (0.444s vs 0.539s)
   2 // Advice: set tmp as 10000
   3
   4 // { dg-options "-DITERATIONS=20" { target simulator } }
   5
   6 #ifndef ITERATIONS
   7 #define ITERATIONS 2000
   8 #endif
   9
  10 #include <vector>
  11
  12 using std::vector;
  13
  14 int main()
  15 {
  16   vector <int> tmp;
  17
  18   for (int j=0; j<ITERATIONS; j++)
  19     // Insert more than default item
  20     for (int i=0; i<10000; i++) {
  21       tmp.push_back(i);
  22     }
  23 }
  24