Not sure. Does it have access to as much memory as it wants? Can you 
send the log file?


On 11/25/2024 1:29 PM, Martin Kavec wrote:
>          External Email - Use Caution
>
> Hi,
>
> I am giving a try to FS 8-beta, but I am not seeing such a speed up as
> in the release notes: 2 hours and 24 GB of memory. In my case a case
> runs on average in 4.5 - 5 hours. Also I do not see such a high
> demands for memory, which could be related to speed.
>
> Besides t1 I also have t2 as input. Could this have an influence? I
> have 24-core CPU, 96 GB RAM, 24 GB GPU running on Ubuntu 24.
>
> recon-all -all -s sub_fs -i ./sub/mri/orig/001.nii.gz -T2
> ./sub/mri/orig/T2raw.nii.gz
>
> Thanks,
>
> Martin
>
> On Thu, Nov 7, 2024 at 6:54 PM Douglas N. Greve <dgr...@mgh.harvard.edu> 
> wrote:
>> Hi All, as some of you have figured out, we have a beta version of FS 8.0.0. 
>> Please give it a spin and let us know if you have any problems or concerns.
>>
>> The release notes are here 
>> https://secure-web.cisco.com/1WZjdr8LjQY4Je-aSRZUkzxn05p-5a_0hVrm6R-DwjleJe2qgDxRsCFRQfBszP2zaSnI0nBDAiNBpP2wCEESI3ZV63zJH021paEFmNPDRVKOjiLWu7AbtNNKMtglKc7THahfoThc3BtRLZ6eDxv6kNmvfBbby2bmNx9pNXdLR5WhQDTvND9qWgGL7d8OrdRhwME7DLFplrfpyd-8P-8K_AMb3nTvUbXlTc4NKcmg7Ya54zrbF984s7ViKvCdxUk9vJSFXWBW2b9TL0LCjpEa0egue-d8O7eKOAC2C8Fc2Xz2ni63VIJSUXCQfEpXMwx4Q/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2FReleaseNotes
>>  which I have copied below.
>> One bug that we have already found is that you must set environment variable 
>> FS_ALLOW_DEEP to 1, eg, export FS_ALLOW_DEEP=1 (for bash) or setenv 
>> FS_ALLOW_DEEP 1 (for csh/tcsh)
>>
>> thanks
>> doug
>>
>> Now uses SynthSeg, SynthStrip, and SynthMorph (deep learning algorithms). 
>> These make recon-all more robust and much faster. Technically, SynthMorph is 
>> not needed for recon-all to run, but the nonlinear registration can be used 
>> in multimodal analysis to map to the MNI152.
>>
>> There is now DL automatic segmentation of regions that often cause errors in 
>> pial surface placement. These include the major sinuses (sagittal and 
>> transverse) as well as a spot between frontal and temporal lobes where the 
>> middle cerebral artery (MCA) and dura cause bright areas.
>> Several fixes in entorhinal cortex. First, the WM in EC is segmented using 
>> DL. The WM is often only 0.5mm thick and very hard to see; this often 
>> resulted in severe white surface areas in this location requiring manual 
>> editing to fix. The new surface now represents gyrus ambiens much better. 
>> Second, The white surface is extended to the front of amygdala. Third, the 
>> binary cortex of label now covers entorhinal cortex and parts of the 
>> temporal pole better allowing the pial surface to extend out to its true 
>> edge.
>> Some bugs where found in and around inferior frontal cortex causes the white 
>> surface to extend too far into basal ganglia. This has been fixed. This is 
>> above and beyond the issue reported in 7.3.2 below.
>> All the bug fixes described below are now turned on by default.
>> These changes will work with longitudinal with the caveat that the 
>> volumetric segmentation will not be fully longitudinal. The segmentation 
>> will be applied to the time point in the base space, but it will not (and 
>> cannot) be initialized with the base segmentation. Initial tests indicated 
>> that the change in power was minimal and mixed.
>> recon-all will now run in about 2h vs 8h on a single CPU. It will, however, 
>> required about 24GB of memory to run.
>>
>> The use of SynthStrip should make recon-all much more robust as the old 
>> skull stripping method often included extra cerebral tissue.
>>
>> With synthseg, we are now supplying a segmentation-based total intracrainial 
>> volume (sTIV) along with the registration-based estimated TIV (eTIV)
>> We have applied v8 to several studies (aging, AD crossectional, AD 
>> longitudinnal, schizophrenia). There were no major changes in the ability to 
>> detect effects, and there was no interaction between effect and version. But 
>> let us know how it performs on your studies.
>>
>>
>>
>>
>>
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