Bug#712526: freefem++: FreeFem++-mpi not working

Dimitrios Eftaxiopoulos eftaxi12 at otenet.gr
Mon Jun 17 10:18:40 UTC 2013 

Hello Giuseppe
Thank you for raising the mpi related issues. 
The failing to load msh3 seems to me to be a more general issue not related to 
the parallel solver in particular. 
For the rest of the problems I do not have an immediate answer. 
I plan to try to upload freefem++-3.23 to unstable shortly so I will have a 
look on these issues.

Best regards
Dimitris 

On Sunday 16 of June 2013 21:47:49 you wrote:
> Package: freefem++
> Version: 3.19.1-1
> Severity: normal
> 
> Dear Maintainer,
> I installed freefem++ on the default Wheezy (7.1) with apt-get, I also
> installed freefem++-dev. I experienced the same issue on Wheezy (7.0).
> FreeFem++ is working properly, but the parallel version FreeFem++-mpi does
> not. I tried running the built-in examples of the examples++-mpi folder and
> they are not working. The mentioned example files can be found at the
> following URL: http://www.freefem.org/ff%2B%2B/ff%2B%2B/examples%2B%2B-mpi/
> In particular, I tried running some test cases with both the following
> commands:
> FreeFem++-mpi chaleur3D-hips.edp
> ff-mpirun -np 2 chaleur3D-mumps.edp
> I obtain two kind of errors: msh3 libraries are missing or parallel solver
> libraries are missing, for instance:
> 
> $ FreeFem++-mpi chaleur3D-pastix.edp
> initparallele rank 0 on 1
> -- FreeFem++ v  3.190001 (date Mer  9 mai 2012 21:50:21 CEST)
>  Load: lg_fem lg_mesh lg_mesh3 eigenvalue parallelempi
>     1 :  // other
>     2 : load "msh3"
> load error : msh3
>          fail :
> list  prefix: './' '/usr/lib/x86_64-linux-gnu/freefem++/' list  suffix : ''
> , '.so'
> 
>  Error line number 2, in file chaleur3D-pastix.edp, before  token msh3
> Error load
>   current line = 2 mpirank 0 / 1
> Compile error : Error load
>         line number :2, msh3
> error Compile error : Error load
>         line number :2, msh3
>  code = 1 mpirank: 0
> FreeFem++-mpi finalize correctly .
> 
> $ FreeFem++-mpi chaleur3D-superludist.edp
> initparallele rank 0 on 1
> -- FreeFem++ v  3.190001 (date Mer  9 mai 2012 21:50:21 CEST)
>  Load: lg_fem lg_mesh lg_mesh3 eigenvalue parallelempi
>     1 :  // other
>     2 :  // NBPROC 2
>     3 : // ff-mpirun -np 4 chaleur3D-superludist.edp -glut ffglut  -n 20 -op
> 1 -dt 0.01 -niter 10
>     4 :
>     5 : load "real_SuperLU_DIST_FreeFem"
> load error : real_SuperLU_DIST_FreeFem
>          fail :
> list  prefix: './' '/usr/lib/x86_64-linux-gnu/freefem++/' list  suffix : ''
> , '.so'
> 
>  Error line number 5, in file chaleur3D-superludist.edp, before  token
> real_SuperLU_DIST_FreeFem
> Error load
>   current line = 5 mpirank 0 / 1
> Compile error : Error load
>         line number :5, real_SuperLU_DIST_FreeFem
> error Compile error : Error load
>         line number :5, real_SuperLU_DIST_FreeFem
>  code = 1 mpirank: 0
> FreeFem++-mpi finalize correctly .
> 
> I partially solved these issues compiling from source FreeFem++ v.3.23 with
> the configure command:
> ../configure '--enable-download'
> then make and make install as usual.
> This however does not solve completely the problem since the make check
> gives 80 out of 84 test passed.
> 
> I have gcc 4.7.2 and openmpi 1.4.5.
> I made HIPS, MUMPS and Super LU parallel solvers work, while HYPRE, pARMS
> and pastix still do not. Here is one example of a working parallel
> simulation with HIPS:
> 
> $ ff-mpirun -np 2 chaleur3D-hips.edp
> '/opt/openmpi/1.6.4/bin/mpirun' -np 2 /usr/local/bin/FreeFem++-mpi
> chaleur3D- hips.edp
> initparallele rank 0 on 2
> -- FreeFem++ v  3.230000 (date Sun Jun 16 19:29:19 CEST 2013)
>  Load: lg_fem lg_mesh lg_mesh3 eigenvalue parallelempi
> (large output...)
>    ~Hips_Solver S:0
> times: compile 0.01s, execution 17.71s,  mpirank:1
> times: compile 0.01s, execution 18.46s,  mpirank:0
>  ######## We forget of deleting   3 Nb pointer,   0Bytes  ,  mpirank 0
>  CodeAlloc : nb ptr  3401,  size :382192 mpirank: 0
> Bien: On a fini Normalement
>  ######## We forget of deleting   3 Nb pointer,   0Bytes  ,  mpirank 1
>  CodeAlloc : nb ptr  3401,  size :382192 mpirank: 1
> FreeFem++-mpi finalize correctly .
> FreeFem++-mpi finalize correctly .
> 
> and an example of a failing simulation with HYPRE:
> 
> $ ff-mpirun -np 2 chaleur3D-hypre.edp
> '/opt/openmpi/1.6.4/bin/mpirun' -np 2 /usr/local/bin/FreeFem++-mpi
> chaleur3D- hypre.edp
> initparallele rank 0 on 2
> -- FreeFem++ v  3.230000 (date Sun Jun 16 19:29:19 CEST 2013)
>  Load: lg_fem lg_mesh lg_mesh3 eigenvalue parallelempi
>     1 :
>   current line = 5 mpirank 1 / 2
>     2 :  // other
>     3 : load "msh3" (load: dlopen ../examples++-load/msh3.so 0x1416e60) 
> load: msh3
> 
>     4 : load "medit" (load: dlopen ../examples++-load/medit.so 0x14187f0)
>     5 : load "hypre_FreeFem"
> load error : hypre_FreeFem
>          fail :
> list  prefix: '../examples++-load/' '' './' list  suffix : '' , '.so'
> 
>  Error line number 5, in file chaleur3D-hypre.edp, before  token
> hypre_FreeFem Error load
>   current line = 5 mpirank 0 / 2
> Compile error : Error load
>         line number :5, hypre_FreeFem
> error Compile error : Error load
>         line number :5, hypre_FreeFem
>  code = 1 mpirank: 0
> FreeFem++-mpi finalize correctly .
> --------------------------------------------------------------------------
> mpirun noticed that the job aborted, but has no info as to the process
> that caused that situation.
> --------------------------------------------------------------------------
> 
> The other non-working solvers give the same error.
> 
> 
> 
> 
> -- System Information:
> Debian Release: 7.1
>   APT prefers stable
>   APT policy: (500, 'stable')
> Architecture: amd64 (x86_64)
> Foreign Architectures: i386
> 
> Kernel: Linux 3.2.0-4-amd64 (SMP w/2 CPU cores)
> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> 
> Versions of packages freefem++ depends on:
> ii  freeglut3                  2.6.0-4
> ii  libamd2.2.0                1:3.4.0-3
> ii  libarpack2                 3.1.1-2.1
> ii  libblas3 [libblas3gf]      1.2.20110419-5
> ii  libblas3gf                 1.2.20110419-5
> ii  libc6                      2.13-38
> ii  libgcc1                    1:4.7.2-5
> ii  libgfortran3               4.7.2-5
> ii  libgl1-mesa-glx [libgl1]   8.0.5-4+deb7u1
> ii  libglu1-mesa [libglu1]     8.0.5-4+deb7u1
> ii  liblapack3 [liblapack3gf]  3.4.1+dfsg-1+deb70u1
> ii  libopenmpi1.3              1.4.5-1
> ii  libstdc++6                 4.7.2-5
> ii  libumfpack5.4.0            1:3.4.0-3
> ii  libx11-6                   2:1.5.0-1+deb7u1
> ii  libxext6                   2:1.3.1-2+deb7u1
> ii  libxpm4                    1:3.5.10-1
> ii  libxxf86vm1                1:1.1.2-1+deb7u1
> 
> freefem++ recommends no packages.
> 
> freefem++ suggests no packages.
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