Is HDF 5 realy not supported with MPI anymore in 2017.1.0?


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3 months ago by
RR  

I read different posts in the old Q/A and the change-log. Is the missing mpi support realy a general issue in FEniCS 2017.1 or an issue related to my system?
Since I'm working with huge meshes, I don't want to miss the parallel HDF5 support and thus, I'm still restricted to python 2.7 and version 2016.2.
Is there any way to fix this via conda or may the issue be fixed by the community in the next time?

Community: FEniCS Project
Excuse me, this question rather belongs to the installation issue forum. However, I've found out that MPI support is now optional, so I think one needs to give an optional flag during installation (I'm using conda) ?
written 3 months ago by RR  
Use Docker.  It is best.
written 3 months ago by pf4d  

2 Answers


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3 months ago by
Mpi has always been supported in hdf5 in dolfin. But you must build with a parallel hdf5 library.
Thank you for the reply: Is there any flag for the conda installation:

conda create -n fenicsproject -c conda-forge fenics

(here, there is no parallel HDF5 library)
or do I have to build on my own or use the "apt-get" install for Ubuntu?
written 3 months ago by RR  
The conda package is constrained by what other conda packages support. Support for parallel HDF5 will depend on parallel support in the HDF5 conda package, which is out of our control.
written 3 months ago by Garth Wells  
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3 months ago by
RR  
Thank you a lot. That's all the information I need. I will not spend too much time on fixing this since it might be complicated and time-consuming, but if my colleagues or me find a solution for this issue, I will post it.
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