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In multiprocessing, the processors can be used to execute a single sequence of instructions in multiple contexts (single instruction, multiple data or SIMD, often used in vector processing), multiple sequences of instructions in a single context (multiple instruction, single data or MISD, used for redundancy in fail-safe systems and sometimes ...
A cc–NUMA system is a cluster of SMP systems – each called a "node", which can have a single processor, a multi-core processor, or a mix of the two, of one or other kinds of architecture – connected via a high-speed "connection network" that can be a "link" that can be a single or double-reverse ring, or multi-ring, point-to-point ...
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 ...
In computing, multiple instruction, multiple data (MIMD) is a technique employed to achieve parallelism. Machines using MIMD have a number of processor cores that function asynchronously and independently. At any time, different processors may be executing different instructions on different pieces of data.
Diagram of a generic dual-core processor with CPU-local level-1 caches and a shared, on-die level-2 cache An Intel Core 2 Duo E6750 dual-core processor An AMD Athlon X2 6400+ dual-core processor. A multi-core processor (MCP) is a microprocessor on a single integrated circuit (IC) with two or more separate central processing units (CPUs), called ...
A process with two threads of execution, running on a single processor . In computer architecture, multithreading is the ability of a central processing unit (CPU) (or a single core in a multi-core processor) to provide multiple threads of execution.
Multi-core, single issue, in-order ARM Cortex-A7 MPCore: 8 Partial dual-issue, in-order, 2-way set associative level 1 instruction cache ARM Cortex-A8: 2005 13 Dual-issue, in-order, speculative execution, superscalar, 2-way pipeline decode ARM Cortex-A9 MPCore: 2007 8–11 Out-of-order, speculative issue, superscalar ARM Cortex-A15 MPCore: 2010 15
This offering was extended to the KL-10 and KS-10 processors in the PDP-10 line; in those systems, the boot CPU is designated the "policy CPU", which runs the command interpreter, swaps jobs in and out of memory, and performs a few other functions; other operating system functions, and I/O, can be performed by any of the processors, and if the ...