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Uniform memory access

Index Uniform memory access

Uniform memory access (UMA) is a shared memory architecture used in parallel computers. [1]

13 relations: Advanced Micro Devices, Cache coherence, Cache-only memory architecture, Central processing unit, Crossbar switch, Graphics processing unit, Heterogeneous System Architecture, Multistage interconnection networks, Non-uniform memory access, Parallel computing, Real-time computing, Shared memory, Symmetric multiprocessing.

Advanced Micro Devices

Advanced Micro Devices, Inc. (AMD) is an American multinational semiconductor company based in Santa Clara, California, that develops computer processors and related technologies for business and consumer markets.

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Cache coherence

In computer architecture, cache coherence is the uniformity of shared resource data that ends up stored in multiple local caches.

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Cache-only memory architecture

Cache only memory architecture (COMA) is a computer memory organization for use in multiprocessors in which the local memories (typically DRAM) at each node are used as cache.

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Central processing unit

A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.

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Crossbar switch

In electronics, a crossbar switch (cross-point switch, matrix switch) is a collection of switches arranged in a matrix configuration.

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Graphics processing unit

A graphics processing unit (GPU) is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device.

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Heterogeneous System Architecture

Heterogeneous System Architecture (HSA) is a cross-vendor set of specifications that allow for the integration of central processing units and graphics processors on the same bus, with shared memory and tasks.

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Multistage interconnection networks

Multistage interconnection networks (MINs) are a class of high-speed computer networks usually composed of processing elements (PEs) on one end of the network and memory elements (MEs) on the other end, connected by switching elements (SEs).

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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.

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Parallel computing

Parallel computing is a type of computation in which many calculations or the execution of processes are carried out concurrently.

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Real-time computing

In computer science, real-time computing (RTC), or reactive computing describes hardware and software systems subject to a "real-time constraint", for example from event to system response.

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Shared memory

In computer science, shared memory is memory that may be simultaneously accessed by multiple programs with an intent to provide communication among them or avoid redundant copies.

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Symmetric multiprocessing

Symmetric multiprocessing (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 processors equally, reserving none for special purposes.

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Heterogenous Unified Memory Access, Uniform Memory Access.

References

[1] https://en.wikipedia.org/wiki/Uniform_memory_access

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