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If the Data Cannot Come To The Algorithm...
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If the Data Cannot Come to the Algorithm... many cores with java session four data locality copyright 2013 Robert Burrell Donkin robertburrelldonkin.name this work is licensed under a Creative Commons Attribution 3.0 Unported License
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Transcript of If the Data Cannot Come To The Algorithm...
If the Data Cannot Come to the Algorithm...
many cores with javasession four data locality
copyright 2013 Robert Burrell Donkin robertburrelldonkin.name this work is licensed under a Creative Commons Attribution 3.0 Unported License
S(p) = p - a (p-1)
● S(p) p
● a
"in practice, the problem size scales with the number of processors" John L. Gustafson
● Commodity hardware
● Scales up to Terabyte and Petabyte○ smoothly by adding new nodes
● Map-Reduce platforms typically provide○ fault tolerance eg. retry
○ orchestration
○ redundant data storage
● Statistical resilience