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Re: [shapeworks-users] Downsampling groomed volumes


Chronological Thread 
  • From: Shireen Elhabian <shireen@sci.utah.edu>
  • To: shapeworks-users@sci.utah.edu, Murat Maga <maga@uw.edu>
  • Subject: Re: [shapeworks-users] Downsampling groomed volumes
  • Date: Mon, 22 Feb 2016 11:24:15 -0700
Hi Murat,

It would be the volume size ... reducing it will hugely speed things up ... however, you might want at least to visual QC the downsampled volumes to make sure that this step didn't introduce holes in the resulting shapes or eroded thin structures ....

best regards
Shireen

On 02/22/2016 11:19 AM, Murat Maga wrote:
Hello,

After three days of non-stop crunching on 32 core system with openMP,
particle distribution hasn't finished yet (it still has two more splits to
go). I don't want to cancel the job but I also need some results to take a
look for an upcoming conference.

I am wondering if I can simply down sample groomed files and submit a new job
with the new parameters? Or stated differently, what would have more impact
on the compute time at the particle distribution stage? The size of the
volume or specific parameters (shown below)?

<iterations_per_split>1000</iterations_per_split>
<starting_regularization>100</starting_regularization>
<ending_regularization>0.1</ending_regularization>
<number_of_particles>1024</number_of_particles>
<optimization_iterations>5000</optimization_iterations>

Best,
M


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