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Merged
merged 6 commits into from
Apr 6, 2025
Merged

Support OpenMPI #62

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b88c234
bug fix: use Python objects, instead of C
wkliao Apr 5, 2025
502c989
bug fix: explicitly use MPI.Datatype in function argument
wkliao Apr 5, 2025
4c64c65
support OpenMPI used to build mpi4py and PnetCDF
wkliao Apr 5, 2025
2013eed
add TESTMPIRUN to make ptests command line
wkliao Apr 5, 2025
6a0e74e
Github action: add CI for using OpenMPI
wkliao Apr 5, 2025
d6d0005
Github action: pnetcdf master now requires newer autotools
wkliao Apr 5, 2025
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22 changes: 11 additions & 11 deletions src/pnetcdf/_utils.pyx
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@Jonathanlyj Jonathanlyj Apr 5, 2025

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This should fix the OpenMPI compatibility issue. mpi4py.MPI are Python-level objects that safely wrap the underlying MPI_Datatype, regardless of whether it is an integer (as in MPICH) or a pointer (as in OpenMPI).

Original file line number Diff line number Diff line change
Expand Up @@ -44,17 +44,17 @@ _nptonctype = {'S1' : NC_CHAR_C,
'f4' : NC_FLOAT_C,
'f8' : NC_DOUBLE_C}

_nptompitype = {'S1' : MPI_CHAR,
'i1' : MPI_BYTE,
'u1' : MPI_UNSIGNED_CHAR,
'i2' : MPI_SHORT,
'u2' : MPI_UNSIGNED_SHORT,
'i4' : MPI_INT,
'u4' : MPI_UNSIGNED,
'i8' : MPI_LONG_LONG,
'u8' : MPI_UNSIGNED_LONG_LONG,
'f4' : MPI_FLOAT,
'f8' : MPI_DOUBLE}
_nptompitype = {'S1' : MPI.CHAR,
'i1' : MPI.BYTE,
'u1' : MPI.UNSIGNED_CHAR,
'i2' : MPI.SHORT,
'u2' : MPI.UNSIGNED_SHORT,
'i4' : MPI.INT,
'u4' : MPI.UNSIGNED,
'i8' : MPI.LONG_LONG,
'u8' : MPI.UNSIGNED_LONG_LONG,
'f4' : MPI.FLOAT,
'f8' : MPI.DOUBLE}


"""_nptompitype = {'S1' : MPI_CHAR,
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