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In computer science, distributed memory refers to a multiprocessor computer system in which each processor has its own private memory. Computational tasks can only operate on local data, and if remote data are required, the computational task must communicate with one or more remote processors. In contrast, a shared memory multiprocessor offers a single memory space used by all processors. Processors do not have to be aware where data resides, except that there may be performance penalties, and that race conditions are to be avoided.

Attributes	Values
rdfs:label	Distributed memory (en)
rdfs:comment	In computer science, distributed memory refers to a multiprocessor computer system in which each processor has its own private memory. Computational tasks can only operate on local data, and if remote data are required, the computational task must communicate with one or more remote processors. In contrast, a shared memory multiprocessor offers a single memory space used by all processors. Processors do not have to be aware where data resides, except that there may be performance penalties, and that race conditions are to be avoided. (en)
sameAs	Distributed memory
dbp:wikiPageUsesTemplate	dbt:Unreferenced dbt:Parallel_Computing
Subject	Distributed computing architecture Parallel computing
thumbnail	wiki-commons:Special:FilePath/Distributed_Memory.jpeg?width=300
foaf:depiction
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Distributed_memory?oldid=1009336114&ns=0
Wikipage page ID	234887 (xsd:integer)
page length (characters) of wiki page	3614 (xsd:nonNegativeInteger)
Wikipage revision ID	1009336114 (xsd:integer)
Link from a Wikipage to another Wikipage	Distributed computing architecture Parallel computing Central processing unit Distributed cache Distributed shared memory Dual-ported RAM Distributed memory Computer memory Computer science Scalability Systolic array Transputer Ethernet Memory virtualization Multiprocessing Network topology
has abstract	In computer science, distributed memory refers to a multiprocessor computer system in which each processor has its own private memory. Computational tasks can only operate on local data, and if remote data are required, the computational task must communicate with one or more remote processors. In contrast, a shared memory multiprocessor offers a single memory space used by all processors. Processors do not have to be aware where data resides, except that there may be performance penalties, and that race conditions are to be avoided. In a distributed memory system there is typically a processor, a memory, and some form of interconnection that allows programs on each processor to interact with each other. The interconnect can be organised with point to point links or separate hardware can provide a switching network. The network topology is a key factor in determining how the multiprocessor machine scales. The links between nodes can be implemented using some standard network protocol (for example Ethernet), using bespoke network links (used in for example the transputer), or using dual-ported memories. (en)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/Distributed_memory
is Wikipage redirect of	Distributed memory multiprocessing
is Link from a Wikipage to another Wikipage of	Load balancing (computing) LogP machine NAG Numerical Library NCAR-Wyoming Supercomputing Center Numerical Algorithms Group Algorithmic skeleton Ambric Automatic parallelization Basic Linear Algebra Subprograms K computer Distributed computing Distributed shared memory Message Passing Interface Collective operation Computer cluster Hitachi SR2201 Data diffusion machine Ensemble Kalman filter GSSHA Graph (abstract data type) IBM Scalable POWERparallel Fast Fourier transform Intel Fortran Compiler LAPACK Loop-level parallelism Memory architecture MUMPS (software) Massively parallel processor array Multiple instruction, multiple data Distributed memory multiprocessing
is foaf:primaryTopic of	http://en.wikipedia.org/wiki/Distributed_memory

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