[Gmsh] A little problem with GMSH

David Colignon David.Colignon at ulg.ac.be
Wed Jul 13 09:14:05 CEST 2011


Hi,

there is no mistake, Gmsh is just not parallelised...

Regards,

Dave

-- 
David Colignon, Ph.D.
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On 12/07/11 16:01, "А. С. Хорошев" wrote:
>      Hello! I built GMSH-2.5.0 with options: Ann Bamg Blas Chaco DIntegration Dlopen FlTree Fltk Gmm Jpeg Kbipack Lapack
> MPI MathEx Mesh Metis Mpeg NativeFileChooser Netgen OpenGL Parser Plugins Png Post Solver Tetgen Zlib. But
> unfortunately, I found that the command, for example, "gmsh -3 124.geo" takes the same time as "mpirun -np 2 gmsh -3
> 124.geo".
>
> Here is the log:
> --------
> user at user-desktop:~$ gmsh -3 124.geo
> Info    : Running 'gmsh -3 124.geo' [1 node(s), max. 1 thread(s)]
> Info    : Started on Tue Jul 12 17:49:57 2011
> Info    : Reading '124.geo'...
> mpi_size = 1
> ...
> ...
> Done meshing 3D (53.2273 s)
> --------
> and:
> ------
> user at user-desktop:~$mpirun -np 2 gmsh -3 124.geo
> Info    : Running 'gmsh -3 124.geo' [2 node(s), max. 1 thread(s)]
> Info    : Started on Tue Jul 12 17:51:40 2011
> Info    : Reading '124.geo'...
> mpi_size = 2
> ...
> ...
> Done meshing 3D (64.58 s)
> ------
>
> Where is my mistake?
> P.S. Sorry for my english.
>
>
> C уважением, А.С. Хорошев.
>
>
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