cpp-taskflow/benchmark/linear_chain/main.cpp at master · cppwanderboy/cpp-taskflow · GitHub

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#include "linear_chain.hpp"

#include <CLI11.hpp>

void linear_chain(

const std::string& model,

const size_t log_length,

const unsigned num_threads,

const unsigned num_rounds

) {

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

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

<< std::endl;

for(size_t i=1; i<=log_length; ++i) {

size_t L = 1 << i;

double runtime {0.0};

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

if(model == "tf") {

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

}

else if(model == "tbb") {

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

}

else if(model == "omp") {

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

}

else assert(false);

}

std::cout << std::setw(12) << L

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

<< std::endl;

}

int main(int argc, char* argv[]) {

CLI::App app{"LinearChain"};

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)");

size_t log_length {25};

app.add_option("-l,--log_length", log_length, "length in log scale (default=25)");

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 != "tf" && m != "omp") {

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;

linear_chain(model, log_length, num_threads, num_rounds);

return 0;

}

cpp-taskflow/benchmark/linear_chain/main.cpp at master · cppwanderboy/cpp-taskflow · GitHub

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