| Parallel Random Access Machine |
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The operation of a Synchronous PRAM can result in simultaneous access by multiple Processor s to the same location in Shared Memory . There are several variants of our PRAM model, depending on whether such simultaneous access is permitted or prohibited. As accesses can be ''reads'' or ''writes'', there are four possibilities: #Exclusive Read Exclusive Write #Concurrent Read Exclusive Write #Exclusive Read Concurrent Write (never considered) #Concurrent Read Concurrent Write See also |