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ADIOS: Serial API with Parallel Lib (#8409)

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Provides a patch for the fix in
  https://github.com/ornladios/ADIOS/pull/182

Installed ADIOS MPI-enabled libraries are with that able to also
perform serial I/O without the need to start the whole app via
`mpiexec`.
This commit is contained in:
Axel Huebl 2018-06-06 22:38:36 +02:00 committed by Adam J. Stewart
parent 8b261506cb
commit 0495b5474b
2 changed files with 19 additions and 0 deletions
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16
var/spack/repos/builtin/packages/adios/nompi.patch Normal file
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@ -0,0 +1,16 @@
diff --git a/src/core/adios_internals_mxml.c b/src/core/adios_internals_mxml.c
index 513fd45c..b9296050 100644
--- a/src/core/adios_internals_mxml.c
+++ b/src/core/adios_internals_mxml.c
@@ -2173,8 +2173,9 @@ int adios_parse_config (const char * config, MPI_Comm comm)
char * buffer = NULL;
//#if HAVE_MPI
int buffer_size = 0;
- int rank;
- MPI_Comm_rank (comm, &rank);
+ int rank = 0;
+ if (comm != MPI_COMM_NULL)
+ MPI_Comm_rank (comm, &rank);
init_comm = comm;
if (rank == 0)
{

3
var/spack/repos/builtin/packages/adios/package.py
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@ -121,6 +121,9 @@ class Adios(AutotoolsPackage):
# https://github.com/ornladios/ADIOS/commit/3b21a8a41509
# https://github.com/spack/spack/issues/1683
patch('adios_1100.patch', when='@:1.10.0^hdf5@1.10:')
# Fix ADIOS <=1.13.1 serial compile against parallel library
# https://github.com/ornladios/ADIOS/pull/182
patch('nompi.patch', when='@1.10.0:1.13.1')
def validate(self, spec):
"""Checks if incompatible variants have been activated at the same time