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When attempting to instrument [DLIO](https://dlio-benchmark.readthedocs.io/en/latest/) at runtime as follows:
```
$ env LD_PRELOAD=/home/user/darshan/darshan-runtime/install/lib/libdarshan.so mpirun…
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Compile the target impi_intel_linux_db and run case Verification/Miscellaneous/ramp_time.fds
This is what I see:
```
mnv@spark-login Miscellaneous (master) $ /zpool/array01/home/mnv/FireModels_…
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Hello,
darhsan-util clis fail with the following message, starting from `darshan-parser`
Error: poorly formatted mount table in darshan log file.
I am instrumenting an MPI application using i…
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For a while `spack` replaces the `mpiexec` & `mpirun` commands with a warning "use `srun` because of performance issues.
https://github.com/spack/spack/pull/10340
One of the comments points out …
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As pointed out during preparation of the MPI 4 standard, the way ```MPI_Session_finalize``` is defined as potentially synchronizing:
```
MPI_SESSION_FINALIZE may be synchronizing on any or all of …
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Currently we use `run_app` to launch jobs.
Use grape_engine to launch jobs and add several flags to ease the parameter passing.
And support running java applications by providing jar file to MP…
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Please submit all the information below so that we can understand the working environment that is the context for your question.
* If you have a problem building or installing Open MPI, [be sure to…
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## Description
I am able to build working versions of a [MEX interface](https://github.com/ebertolazzi/mexIPOPT) to [IPOPT](https://github.com/coin-or/Ipopt) against various versions of Octave.app …
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Currently we run exactly one MPI process per physical CPU.
It appears that in GCC 9 libgomp autodetects the number of threads if MPI is not used, but defaults to 2 otherwise.
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# Problem
Section 6.6 contains the following constraints for `MPI_Scatter` and `MPI_Scatterv`:
> The specification of counts, types, and displacements should not cause any location on the root t…