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====Partitioned global address space====
{{main|Partitioned global address space}}
Partitioned Global Address Space (PGAS) models provide a middle ground between shared memory and message passing. PGAS provides a global memory address space abstraction that is logically partitioned, where a portion is local to each process. Parallel processes communicate by asynchronously performing operations (e.g. reads and writes) on the global address space, in a manner reminiscent of shared memory models. However by semantically partitioning the global address space into portions with affinity to a particular processes, they allow programmers to exploit [[locality of reference]] and enable efficient implementation on [[distributed memory]] parallel computers. PGAS is offered by
====Implicit interaction====
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