Does Amira make use of multiple processors?
The bottleneck for most visualization modules in Amira is the performance of the graphics board, which is in general not increased by using multiple processors. Some computational modules, like the Resolve RT deconvolution extension use multiple processors for acceleration. The AmiraVRPack edition uses multiple processors for rendering on multi-graphics-pipe systems. If you use Amira Developer Pack for custom module development you can use parallelized code in your own modules as well.