Function main

compute/perf/perf_stl_count.cpp:22–45

}

int main(int argc, char *argv[])
{
    perf_parse_args(argc, argv);
    std::cout << "size: " << PERF_N << std::endl;

    // create vector of random numbers on the host
    std::vector<int> host_vector(PERF_N);
    std::generate(host_vector.begin(), host_vector.end(), rand_int);

    // count values equal to four in the vector
    size_t count = 0;
    perf_timer t;
    for(size_t trial = 0; trial < PERF_TRIALS; trial++){
        t.start();
        count = std::count(
            host_vector.begin(), host_vector.end(), 4
        );
        t.stop();
    }
    std::cout << "time: " << t.min_time() / 1e6 << " ms" << std::endl;
    std::cout << "count: " << count << std::endl;

    return 0;
}