Problems with testing PNETCDF 1.6.1

Mon Feb 1 07:32:35 CST 2016

Dear PNETCDF developers:

I'm attempting to install PNETCDF1.6.1 on a Linux cluster running SLES 11.3.  I'm using Intel 15 Fortran and C compilers (no C++), and I'm trying to install for two separate MPI implementations (SGI MPT 2.12 and Intel MPI 5.1.2).

I'm encountering two problems when I run 'make ptest'.

1)  For both MPI implementations, the large file tests fail with an integer overflow.  The error message is:

*** Testing large files, slowly.
line 116 of large_files.c: Overflow when type cast to 4-byte integer.
*** Creating large file ./testfile.nc...srun.slurm: error: borgo018: task 0: Exited with exit code 1

I reviewed the README.large_files for guidance, and I can confirm that both 'MPI_Offset' and 'off_t' are 8 bytes.

2) For SGI MPT only, if I disable support for large file tests, 'make ptest' hangs when testing FLASH-IO:

make -w -C FLASH-IO ptest
make[2]: Entering directory `/gpfsm/dnb32/emkemp/NUWRFLIB/svn/trunk/builds/parallel-netcdf-1.6.1/benchmarks/FLASH-IO'
mpiexec_mpt -n 4 ./flash_benchmark_io ./flash_io_test_
srun.slurm: cluster configuration lacks support for cpu binding

The earlier tests with both single and multiple processes work for SGI MPT. And all tests (again, excluding large file tests) work for Intel MPI.

I can provide more information (e.g., output from the configure script) upon request.

Thanks,

-Eric

Eric M. Kemp (SSAI)
NASA/GSFC
Mail Code: 606
Greenbelt, MD 20771
301.286.9768
eric.kemp at nasa.gov
eric.kemp at ssaihq.com

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