Threads are lightweight units of execution that run within a single process, sharing the same memory space and system resources. They enable concurrent tasks by allowing multiple execution paths to progress in parallel, which can improve responsiveness and throughput on multi-core CPUs. Thread management involves creation, synchronization, and lifecycle control, often using primitives such as locks, semaphores, barriers, and thread pools to coordinate access to shared data. Proper design focuses on minimizing contention, avoiding deadlocks, and ensuring thread-safe data structures, while profiling helps identify bottlenecks across context switches. Be mindful of correctness overheads like memory visibility, ordering, and potential race conditions when mapping algorithms to parallel threads.

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Threads

Swift, private messaging with status updates and threaded chats

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