PEGGY the Pi super computer

PEGGY stands for something… I don’t know what but her name is Peggy so shhh.

why am I building her? I have no idea. I got my hands on a lot of Pi Zeros and wanted to create something cool.

Overview

Peggy is a cluster computer build for testing distributive computing on a small scale. Equipped with 24 nodes and build on Raspberry Pi Zero’s she has a total computing power of 24Ghz and 12Gb of ram and 1.14 GFLOPS of calculations (calculated numbers)

The Build

Raspberry pi 3 = $35
old Desktop computer = Free
24 Raspberry Pi Zero $5 = $100
24 Micro SD cards class 6 $7 = $168
Micro SD Card class 10 = $24
24 Micro USB to Ethernet $3 = $72
25 Ethernet cables  = $27
Used 24 port Ethernet Switch = $100
Total Cost $526

The main computer of the project requires all a large amount of resource to the hosting data. Doing some analysis on the requirements of system utilities that would be used.

 

Raspberry PI 3

By disabling the GUI the CPU savings was 14% and an additional 5% of the memory was free. To decrease power usage, the HDMI port and GPU chip are disabled. This will give us an Idle state power draw of 230 mA at a full power draw of the CPU stress --CPU # (where # is a number of cores) power consumption is 700 mA.

 

 

Current Acquired parts

Raspberry pi 3 = $35
old Desktop computer = Free
24 Raspberry Pi Zero $5 = $100
10 Micro SD 8GB class 10 $4.487 = $44.87
1 Micro SD 64GB class U3  = $24
10 Micro USB to Ethernet 10/100 $3.22 = $ 32.45
25 Ethernet cables  = $20.58
Cisco SR224 24-Port 10/100 Switch = $1
30 OTG Adapter USB to Micro USB $.3 = $9

Current Total cost thus far: 266.9