cpp-taskflow/example/parallel_for.cpp at master · yanrbts/cpp-taskflow · GitHub

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// This program demonstrates how to use cpp-taskflow to

// write loop-based parallelism.

#include <taskflow/taskflow.hpp>

#include <cassert>

#include <numeric>

// Procedure: parallel_for_on_range

void parallel_for_on_range(int N) {

tf::Executor executor;

tf::Taskflow taskflow;

std::vector<int> range(N);

std::iota(range.begin(), range.end(), 0);

taskflow.parallel_for(range.begin(), range.end(), [&] (const int i) {

printf("parallel_for on container item: %d\n", i);

});

executor.run(taskflow).get();

}

// Procedure: parallel_for_on_index

void parallel_for_on_index(int N) {

tf::Executor executor;

tf::Taskflow taskflow;

// [0, N) with step size 1

taskflow.parallel_for(0, N, 1, [] (int i) {

printf("parallel_for on index: %d\n", i);

});

executor.run(taskflow).get();

}

// ----------------------------------------------------------------------------

// Function: main

int main() {

parallel_for_on_range(10);

parallel_for_on_index(10);

return 0;

}

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