Hi Chris
we have found an almost linear speed improvement up to 4, then it starts to fall off, with not much at all after 8.
cheers
Bruce
On Tue, 2 May 2017, Chris Gorgolewski wrote:
Hi,
We are running freesurfer as part of a bigger pipelines with other steps
that can be performed in parallel to freesurfer reconstruction. So far we
have set the openmp flag to the number of all available cores. However, our
experience with ANTs and AFNI which also capitalize on the OpenMP
parallelization is that there is little benefit of using more than 8-10
cores (even if more are available). Does this also apply to FreeSurfer? Does
anyone have done some benchmarking of this?
Thanks in advance for your help.
Best,
Chris
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