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  2. Asymmetric multiprocessing - Wikipedia

    en.wikipedia.org/wiki/Asymmetric_multiprocessing

    An asymmetric multiprocessing (AMP or ASMP) system is a multiprocessor computer system where not all of the multiple interconnected central processing units (CPUs) are treated equally. For example, a system might allow (either at the hardware or operating system level) only one CPU to execute operating system code or might allow only one CPU to ...

  3. Symmetric multiprocessing - Wikipedia

    en.wikipedia.org/wiki/Symmetric_multiprocessing

    Diagram of a symmetric multiprocessing system. Symmetric multiprocessing or shared-memory multiprocessing [1] (SMP) involves a multiprocessor computer hardware and software architecture where two or more identical processors are connected to a single, shared main memory, have full access to all input and output devices, and are controlled by a single operating system instance that treats all ...

  4. Computer multitasking - Wikipedia

    en.wikipedia.org/wiki/Computer_multitasking

    In a well designed and correctly implemented multitasking system, a given process can never directly access memory that belongs to another process. An exception to this rule is in the case of shared memory; for example, in the System V inter-process communication mechanism the kernel allocates memory to be mutually shared by multiple processes ...

  5. Multiprocessing - Wikipedia

    en.wikipedia.org/wiki/Multiprocessing

    Multiprocessing is the use of two or more central processing units (CPUs) within a single computer system. [ 1 ] [ 2 ] The term also refers to the ability of a system to support more than one processor or the ability to allocate tasks between them.

  6. Multiprocessor system architecture - Wikipedia

    en.wikipedia.org/wiki/Multiprocessor_system...

    Symmetric multiprocessing system. Systems operating under a single OS (operating system) with two or more homogeneous processors and with a centralized shared main memory. A symmetric multiprocessor system (SMP) is a system with a pool of homogeneous processors running under a single OS with a centralized, shared main memory.

  7. Massively parallel - Wikipedia

    en.wikipedia.org/wiki/Massively_parallel

    Massively parallel is the term for using a large number of computer processors (or separate computers) to simultaneously perform a set of coordinated computations in parallel.

  8. Non-uniform memory access - Wikipedia

    en.wikipedia.org/wiki/Non-uniform_memory_access

    Non-uniform memory access (NUMA) is a computer memory design used in multiprocessing, where the memory access time depends on the memory location relative to the processor. Under NUMA, a processor can access its own local memory faster than non-local memory (memory local to another processor or memory shared between processors). [ 1 ]

  9. Talk:Symmetric multiprocessing - Wikipedia

    en.wikipedia.org/wiki/Talk:Symmetric_multiprocessing

    This article is incorrect in its interpretation of SMP. SMP (Symmetric MultiProcessing) refers to the capability of any part of the operating system to execute on any processor. Asymmetric MP is a system where key portions of the OS such as IO operations can only execute on the primary CPU. Applications code can also execute on secondary CPUs.