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31 changes: 19 additions & 12 deletions unifex_bench/main.cpp
Original file line number Diff line number Diff line change
@@ -1,33 +1,40 @@
#include <unifex/sync_wait.hpp>
#include <unifex/task.hpp>
#include <unifex/timed_single_thread_context.hpp>
#include <unifex/just.hpp>
#include <unifex/then.hpp>
#include <unifex/when_all.hpp>
#include <unifex/when_all_range.hpp>
#include <unifex/async_scope.hpp>
#include <unifex/async_manual_reset_event.hpp>

#include <chrono>
#include <cstdio>
#include <iostream>
#include <cstdlib>
#include <ranges>
#include <vector>

unifex::timed_single_thread_context TIMER;

auto async_sleep(auto s) { return unifex::schedule_after(TIMER.get_scheduler(), s); }

int main(int argc, char **argv) {
if (argc < 2) {
fprintf(stderr,
"Please specify the number of tasks\n"
"example: %s 10000\n",
argv[0]);
"Please specify the number of tasks\n"
"example: %s 10000\n",
argv[0]);
return EXIT_FAILURE;
}

std::vector<unifex::task<void>> tasks;
unifex::async_manual_reset_event evt;
int counter = 0;

for (auto i : std::views::iota(0, std::stoi(argv[1]))) {
tasks.push_back(
[]() -> unifex::task<void> { co_await async_sleep(std::chrono::seconds(10)); }());
[](int& counter, auto& evt) -> unifex::task<void> { ++counter; co_await evt.async_wait(); --counter; }(counter, evt));
}

unifex::sync_wait(unifex::when_all_range(std::move(tasks)));
}

unifex::sync_wait(unifex::when_all(
unifex::when_all_range(std::move(tasks)),
unifex::just() | unifex::then([&] { std::cout << "counter=" << counter << "\n"; evt.set(); })
));
return 0;
}