Accelerated Computing in Magnetic Resonance Imaging: Real-Time Imaging Using Nonlinear Inverse Reconstruction

Table 5

Image reconstruction speed (fps), relative speed-up , and overall speed-up for different numbers of GPUs and differently sized datasets.

	1 GPU	2 GPUs		3 GPUs		4 GPUs
	fps	fps		fps		fps
128	8.3	13.1	1.6	13.5	1.0	13.8	1.0	1.7
144	2.5	3.9	1.6	4.1	1.0	4.2	1.0	1.7
160	5.0	8.3	1.6	8.7	1.1	9.1	1.0	1.8
170	6.0	9.6	1.6	10.1	1.0	10.1	1.0	1.7
256	2.4	3.8	1.6	4.5	1.2	4.7	1.1	2.0