graphicsmagick
Intel Xeon E5-1650 v4 testing with a HP 212B v1.01 and NVIDIA Quadro K2200 4096MB on Arch rolling via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1704210-RI-GRAPHICSM94.
GraphicsMagick
Operation: Blur
GraphicsMagick
Operation: Sharpen
GraphicsMagick
Operation: Resizing
GraphicsMagick
Operation: HWB Color Space
GraphicsMagick
Operation: Local Adaptive Thresholding
Phoronix Test Suite v10.8.4