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## Background information
### What version of Open MPI are you using?
4.0.0
### Describe how Open MPI was installed
Trying to install via [spack](https://github.com/spack/spack) ([3557b6e1…
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Hi
I am trying to compile OpenMPI 3 with Cuda support on CentOS 7.4 with P100s on Dell PowerEdge.
We do this in [Spack](spack.io).
The command-line compilation options being used:
```
==>…
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### Expected behavior
Job is executed correctly
### Actual Behavior
Job failed:
![selection_270](https://user-images.githubusercontent.com/12729291/37699502-19b394c2-2ce8-11e8-9740-1eb9e2a…
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Hello,
I am a newbie in HPC and MPI, but I have to install a cluster composed by 5 machines. This might not be a bug, just a bad use of mpirun.
Each machine is under Ubuntu 16.04. There is a mast…
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I'm trying to install some packages with spack on my system (ubuntu 18.04), but it fails on the packages mpich and openmpi.
```
$ spack compilers
==> Available compilers
-- gcc ubuntu18.04-x86_64…
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### Summary
I'm trying to build openmpi@3.0.1 with clang@6.0.0, but the configure step fails with the following error
```
configure: WARNING: Could not find functional C++ compiler, but
co…
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With the new shell spawner CUs fail on Joule with:
```
2015-01-22 12:21:09.760 (FATAL) [0x40001188ea0] LL15012212200109:23755:ibm.runjob.client.Job: could not start job: job failed to start
2015-01-2…
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I tried to build the xsdk on Vulcan and it failed with the output I have copied at the end of this message
Apparently something called Big endian PPC is no longer supported
Any suggestion how I can …
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The current `suite.rc` spec doesn't make it easy to switch between different batch systems, because there is only one `directives` section, which is unlikely to be portable between different job submi…
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What is the status of the support for gridmuc.lrz.de? Any documentation I can access?
Many thanks!