Optimizing performance in a C++ backend application using Boost ASIO for integration
I'm testing a new approach and I'm trying to configure In the process of integrating multiple services in a C++ backend application, I've been leveraging Boost ASIO for asynchronous operations. However, performance metrics indicate that the system isn’t responding as quickly as expected. The goal is to handle a high number of concurrent requests efficiently, but I’m running into bottlenecks, especially when multiple I/O operations are involved. Currently, the architecture involves several threads that utilize `io_service` to process incoming requests. Here's a snippet of how I set it up: ```cpp #include <boost/asio.hpp> #include <iostream> #include <thread> void handle_request(const boost::system::error_code& err) { if (!err) { std::cout << "Request handled successfully!" << std::endl; } } void worker_thread(boost::asio::io_service& io_service) { io_service.run(); } int main() { boost::asio::io_service io_service; std::vector<std::thread> threads; for (std::size_t i = 0; i < std::thread::hardware_concurrency(); ++i) { threads.emplace_back(worker_thread, std::ref(io_service)); } for (int i = 0; i < 100; ++i) { boost::asio::async_write(some_socket, buffer, handle_request); } for (auto& thread : threads) { thread.join(); } return 0; } ``` I’ve experimented with increasing the number of threads and utilizing `async_read` and `async_write` calls. Despite these efforts, the response time remains suboptimal, particularly under heavy load. Profiling the application suggests that the `io_service` is a limiting factor. Looking for advice on how to improve this setup. Should I consider using `strand` to ensure thread safety? Or perhaps there are better practices for scaling the I/O operations with Boost ASIO? Additionally, are there alternatives to `io_service` that might offer better performance under high concurrency? Any insights or suggestions would be greatly appreciated. For context: I'm using C++ on Windows 11. Any ideas how to fix this? I'm using C++ latest in this project.