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In a [[Beowulf cluster]], the application programs never see the computational nodes (also called slave computers) but only interact with the "Master" which is a specific computer handling the scheduling and management of the slaves.<ref name=VECPAR /> In a typical implementation the Master has two network interfaces, one that communicates with the private Beowulf network for the slaves, the other for the general purpose network of the organization.<ref name=VECPAR /> The slave computers typically have their own version of the same operating system, and local memory and disk space. However, the private slave network may also have a large and shared file server that stores global persistent data, accessed by the slaves as needed.<ref name=VECPAR />
A special purpose 144-node [[DEGIMA (computer cluster)|DEGIMA cluster]] is tuned to running astrophysical N-body simulations using the Multiple-Walk parallel
Due to the increasing computing power of each generation of [[game console]]s, a novel use has emerged where they are repurposed into [[High-performance computing]] (HPC) clusters. Some examples of game console clusters are [[PlayStation 3 cluster|Sony PlayStation clusters]] and [[Microsoft]] [[Xbox (console)|Xbox]] clusters. Another example of consumer game product is the [[Nvidia Tesla Personal Supercomputer]] workstation, which uses multiple graphics accelerator processor chips. Besides game consoles, high-end graphics cards too can be used instead. The use of graphics cards (or rather their GPU's) to do calculations for grid computing is vastly more economical than using CPU's, despite being less precise. However, when using double-precision values, they become as precise to work with as CPU's and are still much less costly (purchase cost).<ref name=pcauthority />
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