tbb_pfor_01_t.cc File Reference

#include "tbb/tbb.h"
#include <iostream>

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Functions
int	main ()

Function Documentation

int main

(

)

Definition at line 13 of file tbb_pfor_01_t.cc.

{
  size_t const n = 500000;
  std::vector<double> v(n, 27.64), vr;
  vr.reserve(n);
  typedef tbb::blocked_range<typename std::vector<double>::const_iterator> br_t;
  tbb::parallel_for(br_t(v.cbegin(), v.cend()), [&vr](br_t const& r) -> void {
    for (auto i : r) {
      vr.emplace_back(i * 2.0);
    }
  });
  std::cout << vr.back() << std::endl;
}