[Users] Problem with compiling Einstein Toolkit on Cray system

[Erik Schnetter]

Lucy

The Simulation Factory has several example option lists for Cray systems;
look e.g. at bluewaters or edison. I don't recommend changing the
"config-info" file, since this file will be overwritten. Instead, you can
set such options in your option list.

If you need more help, then we'll need more details: What kind of Cray
system is this? What options did you pass when you configured the Einstein
Toolkit? What output did you receive while configuring? etc.

-erik


On Mon, Aug 29, 2016 at 12:47 PM, L.S. Oswald <lo280 at cam.ac.uk> wrote:

> Hello
>
> I'm attempting to install the Einstein Toolkit on Dora, which is a Cray
> system supercomputer. In doing so I came across the following error:
>
>        Configuration script for thorn MPI returned exit code 5
>        Error message: 'MPI could not be configured: neither automatic nor
> manual configuration succeeded'
>
> In addition the log stated that:
>        No MPI compiler wrapper found beneath MPI_DIR (MPI_DIR = /usr)
>
> I subsequently discovered that it was looking in the wrong place for the
> MPI root directory and that the reason it was looking under /usr instead
> of /opt/cray/mpt/7.3.2/gni/mpich-cray/8.3 was because that was the
> setting in the ubuntu configuration file that I had used when
> configuring SimFactory. On a reattempt therefore I did not use the
> ubuntu.cfg file when configuring SimFactory, and got the following error
> instead:
>
>        Configuring with flesh MPI
>          Warning: use of flesh MPI via MPI option is deprecated and
> should be replaced with the thorn ExternalLibraries/MPI and its MPI_DIR
> option
>          MPI selected, but no known MPI method - what is
> "/opt/cray/mpt/7.3.2/gni/mpich-cray/8.3" ?
>
> Attempts at altering the Makefile and the config-info file resulted in
> either no change, or more errors.
>
> Please would you be able to advise me on the correct way to specify the
> root directory for MPI?
>
> Many thanks,
>
> Lucy Oswald
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>



-- 
Erik Schnetter <schnetter at cct.lsu.edu>
http://www.perimeterinstitute.ca/personal/eschnetter/
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