Test results for comparing frame rate performance of multi-stream GPU elastography (threaded) with single-stream (streamed) and non-stream (normal) GPU elastography.

This table reports average frames per second (with standard deviation in brackets) of images generated by various versions of the elastography program. The term normal-N indicates the basic GPU implementation of NCC elastography, streamed-N indicates the streamed GPU implementation, and threaded-N indicates the multi-streamed GPU implementation, where N indicates the number of RF lines in each RF image. Four test cases were performed at different NCC window sizes, NCC maximum search distances (displacements), and NCC search step sizes (specified as percentage of window overlap). The computational load increases with larger window size, displacement, and percent overlap. As seen in the results, the highest speed obtained is 78 frames per second (fps) running the multi-streamed GPU implementation.
Test results for comparing frame rate performance of multi-stream GPU elastography (threaded) with single-stream (streamed) and non-stream (normal) GPU elastography.