Re: [Freesurfer] How are they using freesurfer in a big dataset?

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With current versions, you can only specify multithreaded (more than one cpu), but this is often counter productive when you have a lot of cases to run through. It is more efficient to run two cases simultaneously than one case with two CPUs.

On 6/20/2023 10:31 AM, Michelle Diniz wrote:

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Does 1mm mean 1 millimeter? I was in doubt! I am processing t1w anatomical sequences of subjects from the OASIS3 database. Each subject has many MRI images. My point is, freesurfer is excellent and I would like to apply in 2 thousand subjects. I would like to know if there is any way to improve the performance.

Em ter., 20 de jun. de 2023 às 11:15, Douglas N. Greve dgreve@mgh.harvard.edu escreveu:

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For 1mm data, FS will generally run in 5-10 hours. Are you talking
about high resolution data?

On 6/20/2023 10:11 AM, Michelle Diniz wrote:

...

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Hey guys. I'm using FMRIprep on the OASIS3 database and I've
noticed that the processing time for each subject averages two
days. 80% of that processing is due to the freesurfer. I will
need to analyze many resonance images, more precisely the
functional part. I tested SMRIprep and didn't get a significant
improvement in processing time. How are you getting around this
type of problem? How are they using freesurfer in a big dataset?

-- 
Michelle Diniz Lopes

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-- Michelle Diniz Lopes

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