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Distributed shared memory information


In computer science, distributed shared memory (DSM) is a form of memory architecture where physically separated memories can be addressed as a single shared address space. The term "shared" does not mean that there is a single centralized memory, but that the address space is shared—i.e., the same physical address on two processors refers to the same location in memory.[1]: 201  Distributed global address space (DGAS), is a similar term for a wide class of software and hardware implementations, in which each node of a cluster has access to shared memory in addition to each node's private (i.e., not shared) memory.

  1. ^ Patterson, David A.; Hennessy, John L. (2006). Computer Architecture: A Quantitative Approach (4th ed.). Burlington, Massachusetts: Morgan Kaufmann. ISBN 978-01-2370490-0.

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Distributed shared memory

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science, distributed shared memory (DSM) is a form of memory architecture where physically separated memories can be addressed as a single shared address...

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Shared memory

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alternatives to shared memory are distributed memory and distributed shared memory, each having a similar set of issues. In computer software, shared memory is either...

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Distributed memory

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advantage of distributed (shared) memory is that it is easier to design a machine that scales with the algorithm Distributed shared memory hides the mechanism...

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Consistency model

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predictable. Consistency models are used in distributed systems like distributed shared memory systems or distributed data stores (such as filesystems, databases...

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Kai Li

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entitled "Shared Virtual Memory on Loosely Coupled Microprocessors", thus opening up the field of research that is now known as distributed shared memory (DSM)...

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Release consistency

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concurrent programming (e.g. in distributed shared memory, distributed transactions etc.). In modern parallel computing systems, memory consistency must be maintained...

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Distributed computing

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CPUs share resources or not determines a first distinction between three types of architecture: Shared memory Shared disk Shared nothing. Distributed programming...

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TreadMarks

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TreadMarks is a distributed shared memory system created at Rice University in the 1990s. Keheler, Pete; Cox, Alan; Dwarkadas, Sandhya; Zwaenepoel, Willy...

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Memory virtualization

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operating system. The distributed memory pool can then be utilized as a high-speed cache, a messaging layer, or a large, shared memory resource for a CPU...

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Bus snooping

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transactions, and its goal is to maintain a cache coherency in distributed shared memory systems. This scheme was introduced by Ravishankar and Goodman...

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Sparse distributed memory

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Sparse distributed memory (SDM) is a mathematical model of human long-term memory introduced by Pentti Kanerva in 1988 while he was at NASA Ames Research...

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Multiprocessor system architecture

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Shared memory multiprocessor system Distributed memory multiprocessor system Uniform memory access (UMA) system cc–NUMA system Hybrid system – shared...

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Strong consistency

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used in the domain of concurrent programming (e.g., in distributed shared memory, distributed transactions). The protocol is said to support strong consistency...

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Apache Spark

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function as a working set for distributed programs that offers a (deliberately) restricted form of distributed shared memory. Inside Apache Spark the workflow...

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OpenMP

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run OpenMP on software distributed shared memory systems, to translate OpenMP into MPI and to extend OpenMP for non-shared memory systems. OpenMP is an...

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Causal consistency

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This is useful for defining correct data structures in distributed shared memory or distributed transactions. Causal Consistency is “Available under Partition”...

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Sequential consistency

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model used in the domain of concurrent computing (e.g. in distributed shared memory, distributed transactions, etc.). It is the property that "... the result...

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Distributed database

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for distributed databases: Shared-memory: very rarely used Shared-disk Shared-nothing In the shared-memory and shared-disk architectures, the data is not...

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Computer cluster

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the world's fastest machine in 2011 was the K computer which has a distributed memory, cluster architecture. Greg Pfister has stated that clusters were...

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Clustered file system

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architectural approaches to a shared-disk filesystem. Some distribute file information across all the servers in a cluster (fully distributed). Blue Whale Clustered...

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Distributed object

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a framework for distributed components using a messaging paradigm. JavaSpaces is a Sun specification for a distributed, shared memory (space based) Pyro...

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Message Passing Interface

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shared memory concept, and MPI-2 has only a limited distributed shared memory concept. Nonetheless, MPI programs are regularly run on shared memory computers...

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Cache coherence

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caches. In a shared memory multiprocessor system with a separate cache memory for each processor, it is possible to have many copies of shared data: one...

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