A Low-Power Scalable Stream Compute Accelerator for General Matrix Multiply (GEMM)

Table 2

Power consumption, FPGA versus PC.

	FPGA	PC	Δ
Idle when configuring	5.70 W	117.4 W	21×
Idle (configured)	10.26 W	117.4 W	11×
uBlaze running, core idle	10.40 W	117.4 W	11×
Computation (system total)	11.07 W	164.8 W	14×
Overhead cost	10.4 W	117.4 W	11×
Computation cost	0.66 W	47.4 W	72×
Energy adjusted (J/GMAC)	0.101	3.62	36×