Real-Time Compressive Sensing MRI Reconstruction Using GPU Computing and Split Bregman Methods

Table 1

Measured peak CPU and GPU performance in GFLOPs for a matrix multiply experiment using Matlab and Jacket. The GPU achieves a factor of ~5 improvement over the multicore CPU.

	CPU performance (GFLOPS)		GPU performance (GFLOPS)
Precision	1 Core	6 Cores
Single	23.6	121	650
Double	11.8	60.2	311