// optimal number of fibers

#include "work.h"

#include <boost/fiber/fiber.hpp>

int main()
{
    const std::size_t F = std::thread::hardware_concurrency();

    boost::fibers::fiber f[F];

    for (std::size_t i = 0; i < F; ++i)
        f[i] = boost::fibers::fiber(work, i * N / F, (i + 1) * N / F);

    for (auto &i : f)
        i.join();
}