Function Lazy_same_read_bench

benchmarks/ReadFile.bench.cpp:120–142

    unlink(s.c_str());
}
void Lazy_same_read_bench(benchmark::State &state) {
    using namespace async_simple::coro;
    int num = state.range(0);
    int id = 4;
    std::string s = std::string("test.") + std::to_string(id) + ".txt";
    gen_file(s, id);
    auto core_num = std::thread::hardware_concurrency();
    SimpleExecutor e(core_num);
    for (auto _ : state) {
        auto f = [&s, &e, num, core_num]() -> Lazy<void> {
            std::vector<Lazy<void>> lazy_list;
            lazy_list.reserve(core_num);
            for (size_t i = 0; i < core_num; ++i) {
                lazy_list.push_back(
                    async_read_file_for(num, s, e.getIOExecutor()));
            }
            co_await collectAllPara(std::move(lazy_list));
            co_return;
        };
        syncAwait(f().via(&e));
    }
    unlink(s.c_str());
}