Web在for循环中将std :: async与launch :: async一起使用时，我的代码在同一线程中串行运行，就像每个异步调用在启动之前都等待前一个一样。 在std :: async引用的注释（ std :: async … WebAug 12, 2015 · void timer () { std::cout << "Start\n"; auto start = std::chrono::high_resolution_clock::now (); for(int i=0;i<10;++i) { std::cout << (10-i) << '\n'; std::this_thread::sleep_until (start + (i+1)*std::chrono::seconds (1)); } std::cout << "DONE\n"; timer (); } I add to the function a call to itself. Last edited on Aug 12, 2015 at 7:55am

c++ - std::async function running serially - STACKOOM

Web#include #include //... auto status = std::async (std::launch::async, [&] () { /*your stream ops*/ }) .wait_for (std::chrono::milliseconds { 200 }); switch (status) { case std::future_status::deferred: //... should never happen with std::launch::async break; case std::future_status::ready: //... break; case std::future_status::timeout: //... … Webstd :: async使用的線程將在與將來關聯的std::promise上調用set_value() ，然后可以自由終止。 因此，您的線程局部變量很可能在 std::future::get() 返回之前甚至在您調用它之前就被銷毀了。 blackwork tattoo melbourne

The promises and challenges of std::async task-based parallelism …

http://duoduokou.com/cplusplus/17734810148746010878.html WebApr 25, 2024 · std::launch::async indicates that the function call must be run on its own (new) thread. (Take user @T.C.'s comment into account). std::launch::deferred indicates … Web我正在使用vc2011，结果证明std:：async（std:：launch:：async，…）有点错误（有时它不会生成新线程并并行运行它们，而是重用线程并一个接一个地运行任务）。当我打昂贵的 … foxy funky lady fissunix remix