clang 5.0 on trusty is busted with respect to C11 atomics
This can be evidenced with the simple program below.
This test was added into OPAL_PROG_CC_C11_HELPER() and disable
C11 atomics if it fails.
_Atomic uint32_t a;
uint32_t b;
atomic_fetch_xor_explicit(&a, b, memory_order_relaxed);
Refs. open-mpi/ompi#6264
Signed-off-by: Gilles Gouaillardet <gilles@rist.or.jp>
Update the OPAL glue configure code to correctly link the opal/pmix4
component to the hwloc used by OMPI instead of defaulting to the
system-level hwloc. Required a corresponding update to the PMIx hwloc
configure code so we treat hwloc the same way we handle libevent in
embedded scenarios.
Signed-off-by: Ralph Castain <rhc@pmix.org>
This commit fixes the ordering of the teardown for
opal_finalize_util. The installdirs and if frameworks need to come
down before the MCA system.
Fixes#6259
Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
Valgrind warns that *newtype is uninitialized when calling from
Fortran as e.g.
use mpi
integer :: t, err
call MPI_Type_create_f90_integer(5, t, err)
Since newtype is intent(out), this should not happen. There is
no reason to convert the type using PMPI_Type_f2c, only to over-
write it immediately afterwards. The other type_create_* functions
did not convert newtype.
The valgrind warnings:
==28441== Conditional jump or move depends on uninitialised value(s)
==28441== at 0x581B555: PMPI_Type_f2c (in [...]/lib/libmpi.so.0.0.0)
==28441== by 0x4E87AB7: MPI_TYPE_CREATE_F90_INTEGER (in [...]/lib/libmpi_mpifh.so.0.0.0)
==28441== by 0x400BA1: MAIN__ (in [...])
==28441== by 0x400C46: main (in [...])
==28441==
==28441== Conditional jump or move depends on uninitialised value(s)
==28441== at 0x581B563: PMPI_Type_f2c (in [...]/lib/libmpi.so.0.0.0)
==28441== by 0x4E87AB7: MPI_TYPE_CREATE_F90_INTEGER (in [...]/lib/libmpi_mpifh.so.0.0.0)
==28441== by 0x400BA1: MAIN__ (in [..])
==28441== by 0x400C46: main (in [...])
==28441==
==28441== Use of uninitialised value of size 8
==28441== at 0x581B577: PMPI_Type_f2c (in [...]/lib/libmpi.so.0.0.0)
==28441== by 0x4E87AB7: MPI_TYPE_CREATE_F90_INTEGER (in [...]/lib/libmpi_mpifh.so.0.0.0)
==28441== by 0x400BA1: MAIN__ (in [...])
==28441== by 0x400C46: main (in [...])
==28441==
Signed-off-by: Risto Toijala <risto.toijala@gmail.com>
The PMIX_MODEX and PMIX_INFO_ARRAY macros were removed from the PMIx 3.1 standard.
Open MPI does not really need them (they are only used to be reported as not supported),
so smply #ifdef protect them to support an external PMIx v3.1
Refs. open-mpi/ompi#6247
Signed-off-by: Gilles Gouaillardet <gilles@rist.or.jp>
This commit fixes a bug where add_procs can incorrectly return an
error when going through the dynamic add_procs path. This doesn't
happen normally, only when pml/ob1 is not in use.
References #6201
Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
be more careful about closing framewworks as part of
orte_finalize. Owing to recent restructuring in opal to handle
finalize in a more general fashion, the missing framework
closes were causing meltdowns as the mca vars subsystem
was cleaning itself up.
This problem was recently reported by Siegmar:
https://www.mail-archive.com/users@lists.open-mpi.org//msg32946.html
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
As pointed out in issue #6186 we have some challenges with
English spelling. Fixing title in the wiki page resulted
in it being renamed. So fix links to the now correctly
spelled title.
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Fixes scoll_basic failures with shmem_verifier, caused by recent changes
in handling of zero-size collectives.
- Check for zero-size length only for fixed size collect (shmem_fcollect),
but not for variable-size collect (shmem_collect)
- Add 'nlong_type' parameter to internal broadcast function, to indicate
whether the 'nlong' parameter is valid on non-root PEs, since it's
used by shmem_collect algorithm. Before this change, some components
assumed it's true (scoll_mpi) while others assumed it's false
(scoll_basic).
- In scoll_basic, if nlong_type==false, do not exit if nlong==0, since
this parameter may not be the same on all PEs.
- In scoll_mpi, fallback to scoll_basic if nlong_type==false, since MPI
requires the 'count' argument of MPI_Bcast to be valid on all ranks.
Signed-off-by: Yossi Itigin <yosefe@mellanox.com>
Allow MPI extensions to generate Fortran headers using Autoconf.
For example, allow following files.
```
ompi/mpiext/example/mpif-h/mpiext_example_mpifh.h.in
ompi/mpiext/example/use-mpi/mpiext_example_usempi.h.in
ompi/mpiext/example/use-mpi-f08/mpiext_example_usempif08.h.in
```
Generated MPI extension C headers are already allowed in commit
6a7d5271c4.
Signed-off-by: KAWASHIMA Takahiro <t-kawashima@jp.fujitsu.com>
If the default value of `ofc_type_size` is `$ac_cv_sizeof_int`,
`OMPI_SIZEOF_FORTRAN_*` of all unavailable types become `sizeof(int)`.
This leads `OMPI_SIZEOF_FORTRAN_REAL2 == OMPI_SIZEOF_FORTRAN_REAL`
to become true unintentionally and `OMPI_DATATYPE_MPI_REAL2` has a
wrong value in `ompi/datatype/ompi_datatype_internal.h`. This is not
an actual bug because datatypes for unavailable types are not used.
However it is confusing. I looked the source tree and the history but
could find any basis of `$ac_cv_sizeof_int`.
If we don't use `implicit none` in `OMPI_FORTRAN_GET_KIND_VALUE`, and
if a Fortran compiler does not support `ISO_C_BINDING` completely,
a random value is set in `value` and the fallback route is not used.
It is not our intention.
Signed-off-by: KAWASHIMA Takahiro <t-kawashima@jp.fujitsu.com>
opal_string_copy() takes care of all the string computations.
Specifically: when we converted to opal_string_copy(), we accidentally
left the *source* length as the argument, not the *target* length,
which resulted in one less character being copied than intended (as
was showing up in MTT C++ testing results).
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
