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In computer programming, thread-local storage (TLS) is a memory management method that uses static or global memory local to a thread. The concept allows storage of data that appears to be global in a system with separate threads.
Examples of this class of patterns include: Active object [1] [2] Balking pattern; Barrier; Double-checked locking; Guarded suspension; Leaders/followers pattern; Monitor Object; Nuclear reaction; Reactor pattern; Read write lock pattern; Scheduler pattern; Thread pool pattern; Thread-local storage
Every thread has a thread-local storage for small allocations. For large allocations mmap or sbrk can be used. TCMalloc, a malloc developed by Google, [33] has garbage-collection for local storage of dead threads. The TCMalloc is considered to be more than twice as fast as glibc's ptmalloc for multithreaded programs.
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Data storage that is directly attached to a compute device; A network-attached storage device accessed via a local network, rather than a wide area network; Local storage, a JavaScript web storage facility allowing websites to store data on a user's device; Local shared object (or Flash cookie), Adobe Flash data stored on a user's computer
A process with two threads of execution, running on one processor Program vs. Process vs. Thread Scheduling, Preemption, Context Switching. In computer science, a thread of execution is the smallest sequence of programmed instructions that can be managed independently by a scheduler, which is typically a part of the operating system. [1]
Thread-local storage Variables are localized so that each thread has its own private copy. These variables retain their values across subroutine and other code boundaries and are thread-safe since they are local to each thread, even though the code which accesses them might be executed simultaneously by another thread. Immutable objects
A new thread-local storage duration (in addition to the existing static, dynamic and automatic) is indicated by the storage specifier thread_local. Any object which could have static storage duration (i.e., lifetime spanning the entire execution of the program) may be given thread-local duration instead.