cpp-taskflow/examples/simple.cpp at master · iplayfast/cpp-taskflow · GitHub

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// A simple example to capture the following task dependencies.

// TaskA---->TaskB---->TaskD

// TaskA---->TaskC---->TaskD

#include <taskflow/taskflow.hpp> // the only include you need

int main(){

tf::Taskflow taskflow ("Error 1: no source");

auto E = taskflow.emplace([](){}).name("E");

auto C = taskflow.emplace([](){return ::rand()%2; }).name("C");

auto D = taskflow.emplace([](){}).name("D");

auto D_aux = taskflow.emplace([](){}).name("D_aux");

auto F = taskflow.emplace([](){}).name("F");

E.precede(D);

C.precede(D_aux, F);

D_aux.precede(D);

taskflow.dump(std::cout);

//tf::Taskflow taskflow1("taskflow1");

//tf::Taskflow taskflow2("taskflow2");

//auto [A, B] = taskflow1.emplace(

// [] () { std::cout << "TaskA"; },

// [] () { std::cout << "TaskB"; }

//);

//A.precede(B);

//auto [C, D] = taskflow2.emplace(

// [] () { std::cout << "TaskC"; },

// [] (tf::Subflow& sf) {

// std::cout << "TaskD";

// auto [D1, D2] = sf.emplace(

// [] () { std::cout << "D1"; },

// [] () { std::cout << "D2"; }

// );

// D1.precede(D2);

// }

//);

//C.precede(D);

//auto E = taskflow2.composed_of(taskflow1);

//D.precede(E);

//executor.run(taskflow2).wait();

//taskflow2.dump(std::cout);

//auto A = taskflow.emplace([]() { std::cout << "TaskA\n"; });

//auto B = taskflow.emplace([]() { std::cout << "TaskB\n"; });

//auto C = taskflow.emplace([]() { std::cout << "TaskC\n"; });

//auto D = taskflow.emplace([]() { std::cout << "TaskD\n"; });

//A.precede(B); // B runs after A // +---+

//A.precede(C); // C runs after A // +---->| B |-----+

//B.precede(D); // D runs after B // | +---+ |

//C.precede(D); // D runs after C // +---+ +-v-+

// // | A | | D |

// // +---+ +-^-+

//executor.run(taskflow).wait(); // | +---+ |

// // +---->| C |-----+

//return 0; // +---+

}

cpp-taskflow/examples/simple.cpp at master · iplayfast/cpp-taskflow · GitHub

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