Hi Eric,
Perhaps the SNR is much lower? That would slow down calculations too, as
the probability distributions get much broader.
HTH,
Sjors
> Hi all,
> I have speed issue that I don’t understand on my quad GTX 1080 system.
> I have been working with biggish particles, 340 pixel box size, and lowish
> number 22,000 particles and each iteration of the 3D classification was
> about 3min on average. I have now moved to something much smaller, 110
> pixel box size and 65,000 particles but now the average 3D classification
> iteration is a little over 25min.
> All the other options are the same but obviously for the initial model.
> Is there a computational explanation or do I need to dig and see if my
> hardware has issues?
>
> Assoc. Prof Eric Hanssen
> Head - Advanced Microscopy Facility
> Honorary Principal Fellow – Department of Biochemistry and Molecular
> Biology
>
> Bio21 Molecular Science and Biotechnology Institute - 30 Flemington Road -
> The University of Melbourne - Victoria 3010 - Australia
> email: [log in to unmask]<mailto:[log in to unmask]> | Office:
> +61 3 83442449 | Microscope: +61 3 83442509
> Web: www.microscopy.unimelb.edu.au<http://www.microscopy.unimelb.edu.au/>
>
>
--
Sjors Scheres
MRC Laboratory of Molecular Biology
Francis Crick Avenue, Cambridge Biomedical Campus
Cambridge CB2 0QH, U.K.
tel: +44 (0)1223 267061
http://www2.mrc-lmb.cam.ac.uk/groups/scheres
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