Fig. 1.

Comparison between MATLAB, SciPy and HIP runtime. Total number of voxels for each test images is shown on a log scale on the X axis and runtime on the Y. MATLAB Gaussian filter can be run on the GPU but runs out of vRAM after the second image. MATLAB does not have a 3-D median filter on the GPU. HIP distributes across multiple GPUs when images are bigger than available vRAM or more than three dimensions*. Adding additional GPUs would further reduce execution times. Computer used had dual Xeon E5-2697 CPUs (32 cores each and 512 GB of RAM total) and dual P6000 GPUs (3840 cores and 24 GB of vRAM each)