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[Johan Hake <question149875@xxxxxxxxxxxxxxxxxxxxx>]

Question #149875 on DOLFIN changed:
https://answers.launchpad.net/dolfin/+question/149875

    Status: Open => Answered

Johan Hake proposed the following answer:
On Monday March 21 2011 07:45:30 Dupront wrote:
> Question #149875 on DOLFIN changed:
> https://answers.launchpad.net/dolfin/+question/149875
> 
>     Status: Answered => Open
> 
> Dupront is still having a problem:
> > > I am running the Hyperelastic demo and I would like
> > > to know the assembly and resolution times.
> > > Could somebody help me with this matter ?
> > 
> > What do you mean? Do you need timings for the different steps?
> > 
> > You can call the command summary() at the end of your program to get
> > some information.
> 
>  Thank you very much for your promt answer.
> 
>  Yes I meant timing for the different steps including assembly and
> resolution.
> 
> Using the command summary() I get what follows.
> Is there a documentation that explain the meaning of Reps.
> Regarding newton I understand that Reps=5 means 5
> newton iterations.
> But I don't understand what Reps=11 means for Assemble
> cells. 

This is the number of times integrals over cells have been assembled.

> Is the matrix updated at each newton iteration ?

Yes.

Johan

> 
>  Summary of timings          |  Average time  Total time  Reps
> -------------------------------------------------------------
> Assemble cells                   |      0.052189     0.57408    11
> Assemble exterior facets     |      0.0026364    0.015818     6
> Build sparsity                     |      0.0035736    0.025015     7
> Delete sparsity                   |      8.7476e-07  6.1233e-06     7
> Init dofmap                       |      0.0020095   0.0040191     2
> Init tensor                         |      7.0271e-05   0.0004919     7
> LU solver                          |       0.34523      1.7262     5
> compute connectivity 0 - 3  |      0.001205    0.001205     1
> compute connectivity 2 - 3  |       0.00095892  0.00095892     1
> compute connectivity 3 - 3  |      0.030152    0.030152     1
> compute entities dim = 2    |      0.099474    0.099474     1
> 
> > To: michel.dupront@xxxxxxxxxx
> > From: question149875@xxxxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Dolfin] [Question #149875]: assembly and resolution time
> > Date: Mon, 21 Mar 2011 09:15:38 +0000
> > 
> > Your question #149875 on DOLFIN changed:
> > https://answers.launchpad.net/dolfin/+question/149875
> > 
> > Status: Open => Answered
> > 
> > Anders Logg proposed the following answer:
> > 
> > On Mon, Mar 21, 2011 at 08:58:56AM -0000, Dupront wrote:
> > > New question #149875 on DOLFIN:
> > > https://answers.launchpad.net/dolfin/+question/149875
> > > 
> > > Hello,
> > > 
> > > I am a new fenics user.
> > > It is really amazing !
> > 
> > Thanks.
> > 
> > > I am running the Hyperelastic demo and I would like
> > > to know the assembly and resolution times.
> > > Could somebody help me with this matter ?
> > 
> > What do you mean? Do you need timings for the different steps?
> > 
> > You can call the command summary() at the end of your program to get
> > some information.
> > 
> > --
> > Anders
> 
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