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Getting the most out of your cluster is always important. But how does one do this? Do you really need to dissect your code and analyze every instruction to get optimal performance?
By testing basic assumptions, the authors were able to improve the performance of an eight node cluster, getting the equivalent of three extra nodes, at no additional cost. Cluster computing is great, so they say. Cobble together a few thousand servers and some Ethernet, grab some freely available software and you can now calculate the meaning of "Life the Universe and Everything". Well, OK, that has been done, for those of you that have not read Hitchhikers Guide to the Galaxy, the answer is there. For us we will take a look at more earthly issues.
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