[FLASH-USERS] how to use parallel VisIt on Ubuntu?

[Scott Feister]

Hi Simon,

Just to clarify, are you having trouble when opening an HDF5 made by using
FLASH's parallel HDF5 I/O, or trying to run a parallel installation VisIt
*itself*? Or both?

Best,

Scott



Scott Feister, Ph.D.
Postdoctoral Researcher, Flash Center for Computational Science
University of Chicago, Department of Astronomy and Astrophysics

On Wed, Sep 21, 2016 at 8:25 AM, Simon Don <simondonxq at gmail.com> wrote:

> Dear all:
>
> I now get some result data of AMR. It is written by Fujitsu MPI in hdf5
> format. I want to use VisIt to visualize it.
>
> I downloaded the built executable
> <https://wci.llnl.gov/simulation/computer-codes/visit/executables>s from
> the visit homepage and installed it on my ubuntu computer. When I use it to
> open hdf5 generated by one processor, it works well. We I open file
> generated by MPI, the display is not right or sometimes I can't open the
> file.
>
> So my question is, now the executables of VisIt for ubuntu are without
> mpi and can't support MPI? In order to get a parallel VisIt on
> ubuntu, I need to install from the source code and build it by myself with
> the certain MPI library options?
>
> As I said, the MPI used for calculations is Fujitsu MPI, so I have to
> build a parallel VisIt with Fujitsu MPi to open such a data file? Can i
> build a parallel visit using other mpi like openmpi and open a data file
> generated by Fujitsu mpi?
>
> Anyone who is familiar with this? Thank you very much!!
>
> Shimon
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