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RubyConf (Lightning Talk) San Antonio, TX, USA Nov15-17, 2015 Parallella: 18 Cores in Your Hand

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Moore’s Law: 2x every 18 months

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Moore’s Law: 2x every 18 months Moore’s Law 1993 - 2013 http://www.washingtonpost.com/blogs/innovations/wp/2015/04/14/10-images-that-explain-the- incredible-power-of-moores-law/ https://www.parallella.org/board/

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RJ-45 Power μUSB μHDMI μSD

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16 RISC cores 2 ARM cores Total cores: 18

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Reduced Instruction Set Computer RISC

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80/20 Rule RISC:

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http://rayhightower.com/blog/2014/09/09/solar-powered-parallella/

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http://rayhightower.com/blog/2014/09/09/solar-powered-parallella/ 5 volts 1 amp 5 watts Solar!

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Find all primes up to 16,000,000. Serial on Parallella. Example:

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237.1 sec

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Find all primes up to 16,000,000. Serial on Mac OS X.

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14.4 sec

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Find all primes up to 16,000,000. Parallel on Parallella.

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18.6 sec

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Summary: Finding Primes 0" 50" 100" 150" 200" 250" Parallel Parallella Serial Mac Serial Parallella 18.6 sec 14.4 sec 237.1 sec

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Embarrassingly parallel problem.

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Thanks! RayHightower.com