Future Cluster

Andrew KrioukovPrashanth Mohan

Sun Box

Solar Panels• Peak Sun Hours (PSH) • 315 W / m2 at peak (SunPower E19)• Daily: 1.26 kWh / m2 = 4.536 MJ / m2

Assume 4 PSH

Day

Design and Analysis of Micro-Solar Power Systems for Wireless Sensor NetworksJaein Jeong, Xiaofan Jiang, David Culler

Week

Provision to Peak

513 – Not Enough SunInsufficient energy to service your request. Please try again later.

Deficit

Provision 100x

Surplus

Trade-offs

Sun Box

• 8’ x 8’ x 20’• ~15 m2 per face

Embedded Servers?

• 600 MHz ARM• 256 MB RAM• 3” x 3” x 0.5”• Runs Linux,

Apache, PHP, MySQL, etc.

Rack

• 2U = 3.5” x 19” x 28”• 6 wide x 28 deep

= 168 Beagles

• ~32GB RAM• ~100GHz• < $25k

• 4 cores x 8 CPU x 2Ghz = 64 GHz

• ~16GB RAM• $10k

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