Acceleration of Early-Photon Fluorescence Molecular Tomography with Graphics Processing Units

Table 4

Time comparisons of forming the weight matrix consumed by Matlab and CUDA.

Experiment no.	Mesh nodes	Detectors	Time (s) Matlab	Time (s) CUDA	Speedup ratio
1	3074	710	216.35	8.46	25.6
2	3074	1409	415.79	16.72	24.9
3	3881	710	279.57	9.70	28.8
4	3881	1409	553.9	19.78	28.0
5	4697	710	367.33	10.65	34.5
6	4697	1409	686.95	21.53	31.9