Re: [Libmesh-users] memory usage by build_sparsity()

[subramanya s. <po...@ou...>]

Just out of curiosity, is the memory usage I see typical? or is there something wrong? Because the number of elements is pretty small - even though they are all densely connected. 
Thanks, Subramanya 

> From: po...@ou...
> To: jwp...@gm...
> Date: Thu, 22 Aug 2013 18:27:44 -0400
> CC: lib...@li...
> Subject: Re: [Libmesh-users] memory usage by build_sparsity()
> 
> 
> It is 50*50*100, with 3 DOF per node.. From: jwp...@gm...
> Date: Thu, 22 Aug 2013 16:24:10 -0600
> Subject: Re: [Libmesh-users] memory usage by build_sparsity()
> To: po...@ou...
> CC: lib...@li...
> 
> 
> 
> 
> On Thu, Aug 22, 2013 at 4:15 PM, subramanya sadasiva <po...@ou...> wrote:
> 
> 
> 
> 
> 
> Hi John, I have around 250000 HEX 20 elements with 3 dof per node (3D elasticity). I am running this in parallel with around 4 mpi processes. 
> In that case you might get some benefit from using ParallelMesh if you aren't already tried that.
> 
> 
> You have 250k elements so that's what, about 64^3? something like 128^3 total DOFs?
> -- 
> John
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