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- Causal_consistency abstract "Causal consistency is one of the consistency models used in the domain of concurrent programming (e.g. in distributed shared memory, distributed transactions etc.).A system provides causal consistency if memory operations that potentially are causally related are seen by every node of the system in the same order. Concurrent writes (i.e. ones that are not causally related) may be seen in different order by different nodes. This is weaker than sequential consistency, which requires that all nodes see all writes in the same order, but is stronger than PRAM consistency, which requires only writes done by a single node to be seen in the same order from every other node. Condition-writes that are potentially causally related must be seen by all processes in the same order. When a node performs a read followed later by a write, even on a different variable, the first operation is said to be causally ordered before the second, because the value stored by the write may have been dependent upon the result of the read. Similarly, a read operation is causally ordered after the earlier write on the same variable that stored the data retrieved by the read. Also, even two write operations performed by the same node are defined to be causally ordered, in the order they were performed. Intuitively, after writing value v into variable x, a node knows that a read of x would give v, so a later write could be said to be (potentially) causally related to the earlier one.Finally, we force this causal order to be transitive: that is, we say that if operation A is (causally) ordered before B, and B is ordered before C, A is ordered before C.Operations that are not causally related, even through other operations, are said to be concurrent.".
- Causal_consistency wikiPageID "4895467".
- Causal_consistency wikiPageLength "1990".
- Causal_consistency wikiPageOutDegree "7".
- Causal_consistency wikiPageRevisionID "647579846".
- Causal_consistency wikiPageWikiLink Category:Consistency_models.
- Causal_consistency wikiPageWikiLink Concurrent_computing.
- Causal_consistency wikiPageWikiLink Concurrent_programming.
- Causal_consistency wikiPageWikiLink Consistency_model.
- Causal_consistency wikiPageWikiLink Distributed_shared_memory.
- Causal_consistency wikiPageWikiLink Distributed_transaction.
- Causal_consistency wikiPageWikiLink Distributed_transactions.
- Causal_consistency wikiPageWikiLink PRAM_consistency.
- Causal_consistency wikiPageWikiLink Sequential_consistency.
- Causal_consistency wikiPageWikiLinkText "Causal Consistency".
- Causal_consistency wikiPageWikiLinkText "Causal consistency".
- Causal_consistency wikiPageWikiLinkText "causal consistency".
- Causal_consistency wikiPageWikiLinkText "write-order consistency".
- Causal_consistency hasPhotoCollection Causal_consistency.
- Causal_consistency wikiPageUsesTemplate Template:Cite_paper.
- Causal_consistency subject Category:Consistency_models.
- Causal_consistency hypernym Models.
- Causal_consistency type Model.
- Causal_consistency type Person.
- Causal_consistency type Model.
- Causal_consistency comment "Causal consistency is one of the consistency models used in the domain of concurrent programming (e.g. in distributed shared memory, distributed transactions etc.).A system provides causal consistency if memory operations that potentially are causally related are seen by every node of the system in the same order. Concurrent writes (i.e. ones that are not causally related) may be seen in different order by different nodes.".
- Causal_consistency label "Causal consistency".
- Causal_consistency sameAs m.0ct0qp.
- Causal_consistency sameAs Причинная_консистентность.
- Causal_consistency sameAs Q4379351.
- Causal_consistency sameAs Q4379351.
- Causal_consistency wasDerivedFrom Causal_consistency?oldid=647579846.
- Causal_consistency isPrimaryTopicOf Causal_consistency.