Freesurfer experts,
I have been working on openmp parallelization of Freesurfer programs.
I'd like to know the ratio of sequential processing parts (which are essentially impossible to be parallelized) to the total amount of processing in order to calculate the theoretical limit of performance improvement rate.
Have you ever made an estimate of the ratio between sequential and parallel processing segments, especially for ca_reg and em_reg?
Thanks, Akio