31 lines
810 B
C++
31 lines
810 B
C++
// The program demonstrates how to create asynchronous task
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// from a running subflow.
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#include <taskflow/taskflow.hpp>
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int main() {
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tf::Taskflow taskflow("Subflow Async");
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tf::Executor executor;
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std::atomic<int> counter{0};
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taskflow.emplace([&](tf::Subflow& sf){
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for(int i=0; i<10; i++) {
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// Here, we use "silent_async" instead of "async" because we do
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// not care the return value. The method "silent_async" gives us
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// less overhead compared to "async".
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// The 10 asynchronous tasks run concurrently.
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sf.silent_async([&](){
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std::cout << "async task from the subflow\n";
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counter.fetch_add(1, std::memory_order_relaxed);
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});
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}
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sf.join();
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std::cout << counter << " = 10\n";
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});
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executor.run(taskflow).wait();
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return 0;
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}
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