[Darshan-users] darshan 3.3.0 issues

Thomas Breuer t.breuer at fz-juelich.de
Wed May 19 06:52:18 CDT 2021

Dear Darshan Team,

I have installed the latest darshan version (3.3.0) for different MPIs 
on our HPC JUWELS 
(https://apps.fz-juelich.de/jsc/hps/juwels/configuration.html) and would 
like to report two issues:

1. Intel ( Compiler with IntelMPI/2019.8.254:
- Configure Step fails for the new APMPI feature:
/cd darshan-runtime; ./configure 
--with-mem-align=8 --with-log-path-by-env=DARSHAN_LOG_P//
//ATH  --with-jobid-env=SLURM_JOBID CC=mpicc 
--enable-hdf5-mod=$EBROOTHDF5 --enable-apmpi-mod --enable-apmpi-coll-sync/
- Error msg: /configure: error: APMPI module requires MPI version 3+/
- without the new APMPI Options the configure steps ends successfully:
/cd darshan-runtime; ./configure 
--with-mem-align=8 --with-log-path-by-env=DARSHAN_LOG_PATH 
--with-jobid-env=SLURM_JOBID CC=mpicc --enable-hdf5-mod=$EBROOTHDF5

2. GCC/9.3.0 Compiler with ParaStationMPI/5.4.7-1 (based on MPICH 3.3.2) 
- darshan-runtime configured with /--enable-apmpi-mod 
- For a simple helloworld code (MPI + OMP) the application seems to be 
hanging in the MPI_FINALIZE call.
- if I open the *.darshan_partial file with `darshan-parser`, then the 
following output is printed:
/Error: incompatible darshan file.//
//Error: expected version 3.21, but got //
//Error: failed to read darshan log file header.
/- There are no issues without APMPI.

3. Further questions:
- Is it possible to switch on/off APMPI during runtime?
- Are there any examples available that demonstrate the additional value 
that can be achieved by using the new AutoPerf feature?
- Can you confirm that APMPI works on none-Cray systems ?

Best regards,

Thomas Breuer

Division Application Support             Forschungszentrum Jülich GmbH
Jülich Supercomputing Centre (JSC)       Wilhelm-Johnen-Straße
http://www.fz-juelich.de/ias/jsc         52425 Jülich (Germany)
Phone: +49 2461 61-96742 (currently not available via phone)
Email: t.breuer at fz-juelich.de
Forschungszentrum Juelich GmbH
52425 Juelich
Sitz der Gesellschaft: Juelich
Eingetragen im Handelsregister des Amtsgerichts Dueren Nr. HR B 3498
Vorsitzender des Aufsichtsrats: MinDir Volker Rieke
Geschaeftsfuehrung: Prof. Dr.-Ing. Wolfgang Marquardt (Vorsitzender),
Karsten Beneke (stellv. Vorsitzender), Prof. Dr.-Ing. Harald Bolt, Prof. Dr. Frauke Melchior

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