Table 3.

Computational results using the multi GPU-based GD-OCM image processing for a data volume of $1000\times 1000$ A-scans.

System	Average performance using one GPU (s)	Average performance using two GPUs (s)	Average performance using four GPUs (s)
A	29	13	—
B	31	15	—
C	940	470	235
D	460	230	115