Research Article

High-Performance 3D Compressive Sensing MRI Reconstruction Using Many-Core Architectures

Table 1

Performance analysis.

KernelExecution time breakdownSpeedup of Knights Ferry/Core i7

FFT3D 46%~4x
Diff3D 14%~6x
GEval 7%~7x
Matrix 33%~4x

Overall 100% 4.6x