Multi-threading

Multi-threading enables a single program (process) to execute multiple code segments (threads) concurrently, maximizing CPU core utilization and boosting application throughput.

Multi-threading is a core execution model: it allows a single process to spawn multiple, independent threads that share the same memory space. This technique directly addresses the challenge of idle CPU cycles, especially on modern multi-core processors. For example, a high-traffic web server utilizes a thread pool to handle 10,000 concurrent client connections, preventing I/O-bound tasks (like database queries) from blocking the entire application. The payoff is superior performance, increased responsiveness, and efficient resource management, though it demands careful synchronization (locks, mutexes) to prevent data corruption (race conditions).

https://en.wikipedia.org/wiki/Multithreading_(computer_architecture)