const std::string& model,

const unsigned num_threads,

const unsigned num_rounds

) {

std::cout << std::setw(12) << "size"

<< std::setw(12) << "runtime"

<< std::endl;

for(int S=32; S<=4096; S += 128) {

M = N = S;

B = 8;

MB = (M/B) + (M%B>0);

NB = (N/B) + (N%B>0);

double runtime {0.0};

init_matrix();

for(unsigned j=0; j<num_rounds; ++j) {

if(model == "tf") {

runtime += measure_time_taskflow(num_threads).count();

}

else if(model == "tbb") {

runtime += measure_time_tbb(num_threads).count();

}

else if(model == "omp") {

runtime += measure_time_omp(num_threads).count();

}

else assert(false);

}

destroy_matrix();

std::cout << std::setw(12) << MB*NB

<< std::setw(12) << runtime / num_rounds / 1e3

<< std::endl;

}

CLI::App app{"Wavefront"};

unsigned num_threads {1};

app.add_option("-t,--num_threads", num_threads, "number of threads (default=1)");

unsigned num_rounds {1};

app.add_option("-r,--num_rounds", num_rounds, "number of rounds (default=1)");

std::string model = "tf";

app.add_option("-m,--model", model, "model name tbb|omp|tf (default=tf)")

->check([] (const std::string& m) {

if(m != "tbb" && m != "omp" && m != "tf") {

return "model name should be \"tbb\", \"omp\", or \"tf\"";

}

return "";

});

CLI11_PARSE(app, argc, argv);

std::cout << "model=" << model << ' '

<< "num_threads=" << num_threads << ' '

<< "num_rounds=" << num_rounds << ' '

<< std::endl;

wavefront(model, num_threads, num_rounds);

return 0;