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E each is an instance of the same piece of code data

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Unformatted text preview: G O D   L A’ T A’’ Note that, in this case (with respect to the diagram above):     ALGO = A = L = G = O (i.e., each is an instance of the same piece of code); DATA = D ∪ A’ ∪ T ∪ A’’ (i.e., those instances each act on a parBBon of a single data set). DistribuBng EssenBally ­Centralized Systems (2) 4       In this case, our moBvaBon to design and engineer this applicaBon as a distributed system is efficiency, not effecBveness. In other words, we could just as well run the code in a single machine without parBBoning the data set: it would just take much longer to do so. The computaBon is essenBally a centralized one: we distribute it in order to improve its performance.     Recall that we can refer to this parallelizaBon strategy as a case of divide ­and ­ conquer. Recall examples such as:       Rendering mulBple frames of high ­quality animaBon; SimulaBng thousands of characters; Indexing the web (e.g., Google, using something...
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