Metrics

• Power
  • Watts (Thermal Design Power)
  • Joule/ Second. Rate of energy conversion.
  • 1 W is the rate at which work is done when 1 A of current flows through an electrical potential difference of one V.
  • W = V*A
• Price/Watt
• Dhrystones (Integer)
• Whetstones (Floating Point)
• Coremark
• Size
• Form Factor
• Availability

Questions to answer

1. What is "power"?
2. How low is low power? How do we define "low"?
3. How expensive can we go?
4. What sort of power sources can we consider?
5. What commodity power sources are available?
6. What type of sensor devices can we consider?
7. What size of devices can we consider?