OpenCL-Based FPGA Accelerator for 3D FDTD with Periodic and Absorbing Boundary Conditions

Table 3

Comparison with GPUs and CPUs using double-precision floating-point computation.

	FPGA		GPU		Multicore CPU
	DE5	395-D8	GTX680	GTX750Ti	i7-4960x	E5-1650 v3
Core clock frequency (MHz)	252	209	980	1127	3600	3500
Processing time (s)	28.09	25.24	14.44	20.61	69.45	62.13