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Build Supercomputers with Raspberry Pi 3

You're reading from   Build Supercomputers with Raspberry Pi 3 A step-by-step guide that will enhance your skills in creating powerful systems to solve complex issues

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781787282582
Length 254 pages
Edition 1st Edition
Languages
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Author (1):
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Carlos R. Morrison Carlos R. Morrison
Author Profile Icon Carlos R. Morrison
Carlos R. Morrison
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Table of Contents (13) Chapters Close

Preface 1. Getting Started with Supercomputing FREE CHAPTER 2. One Node Supercomputing 3. Preparing the Initial Two Nodes 4. Static IP Address and Hosts File Setup 5. Creating a Common User for All Nodes 6. Creating a Mountable Drive on the Master Node 7. Configuring the Eight Nodes 8. Testing the Super Cluster 9. Real-World Math Application 10. Real-World Physics Application 11. Real-World Engineering Application A. Appendix

Summary

In this chapter, we learned how to test your supercomputer by first shutting down the entire cluster by using the shutdown -h now command at each node, and then reenergizing the super cluster to reinitialize the machine. This procedure was then followed by commanding multiple nodes simultaneously to demolish the time needed to solve the π equation. Recall that one core on the master Pi2 node, operating in the restrained mode, and using 300,000 iterations, took 58m2.393s to calculate π, and 6m58.102s using all 32 cores in the eight node cluster, while the Pi3 supercomputer, also operating in the restrained mode, took 39m34.726s to calculate π using one core, and only 5m8.955s using 32 cores, and an insanely 3m51.196s using all 64 cores on the 16 node Pi3 machine. The author leaves it up to the reader to determine the time needed to crunch the value of π using 5 million (5,000,000) iterations, and all 64 cores in the unrestrained Pi3...

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