Equation 1 · Part 7 · Edge AI Electronics and Sensor Systems: A First-Principles Introduction
Denominator: power draw (W)
What this part means
The complete quantity below the fraction bar; it must be nonzero for this division.
Its job in the formula
power draw (W) occurs below the fraction bar. The quantity above the bar is divided by this expression; zero is excluded as a denominator.
Full expression→Denominator: power draw (W)→Article meaning
The passage around this formula
TOPS , tera-operations per second, measures raw throughput: how many multiply-accumulate operations a chip can, in principle, perform in a second. It says nothing about power, and by itself it is close to useless for comparing edge hardware, because a processor is free to spend arbitrarily large power to hit a large TOPS number. The metric that actually matters for a battery-powered or thermally constrained device is efficiency — operations delivered per unit of energy, conventionally reported as TOPS per watt : . Because a watt is a joule per second, measured this way is numerically the same quantity as operations delivered per joule. That equivalence matters because…
Learn the underlying idea
A fraction a/b means a divided by b. The top number is the numerator; the bottom number is the denominator, and it cannot be zero.
Open the illustrated fractions: division written vertically guide →
Sources cited in the article section
- [5] Eyeriss: An Energy-Efficient Reconfigurable Accelerator for Deep Convolutional Neural Networks ↗
- [3] Quantization and Training of Neural Networks for Efficient Integer-Arithmetic-Only Inference ↗
- [10] MCUNet: Tiny Deep Learning on IoT Devices ↗
These citations provide research context; check each source for the exact claim it supports.