To avoid fully initializing the osc/ucx component for MPI application
that are not using One-Sided functionality, the initialization happens
at the first MPI window creation.
This commit ensures atomicity of global state modifications.
Signed-off-by: Artem Polyakov <artpol84@gmail.com>
In common_ompi_aggregators calc_cost routine:
do not cast the real division to an int intermediately.
This patch removes the obsolete int variable c and assigns
the result of the P_a/P_x division directly to n_as.
With the intermediate int c variable, n_as gets 0 if P_a < P_x,
resulting in a division by 0 when computing n_s.
Signed-off-by: Harald Klimach <harald.klimach@uni-siegen.de>
The procedure names don't contain "_f08" of Fortran 2008 bindings of
Persistent Collective Operations(mpiext/pcollreq/use-mpi-f08).
This fix adds "_f08" to the procedure names of pcollreq/use-mpi-f08,
same as other Fortran 2008 routines in `ompi/mpi/fortran/use-mpi-f08/mod`.
Signed-off-by: Tsubasa Yanagibashi <fj2505dt@aa.jp.fujitsu.com>
This commit fixes an issue seem with some older versions of gcc
(verified to occur in gcc 6.x) where on x86_64 systems the
acquire memory barrier in C11 atomics acts as a no-op. On these
systems the three memory barriers should all be equivalent.
This is related to the error fixed in open-mpi/ompi@30119ee.
References #6655.
Signed-off-by: Nathan Hjelm <hjelmn@google.com>
Use the PVAR ctx to save the SPC index, so that no lookup nor
restriction on the SPC vars position is imposed.
Make sure the PVAR are always registered.
Signed-off-by: George Bosilca <bosilca@icl.utk.edu>
this commmit fixes coverty warnings CID 1445198 and CID 1445197
For a reason that is a bit unclear to me, coverty only complained about the read
files, but the write operations had the same issue, so I fixed that within the
same commit as well.
Signed-off-by: Edgar Gabriel <egabriel@central.uh.edu>
Java bindings in Open MPI support Java arrays and direct buffers
as buffers. All non-blocking methods must use direct buffers and
only blocking methods can choose between Java arrays and
direct buffers.
Though Comm.allToAllw() is a blocking method, Java applications
using Java arrays as buffers get compilation errors.
This fix enables using Java arrays in Comm.allToAllw().
Signed-off-by: Kurita, Takehiro <fj6370fp@aa.jp.fujitsu.com>
external32 data representation is now support by ompio for everything
but non-blocking collective I/O operations. The support can further be improved
in a second step to limit the temporary buffer size (at least for blocking operations),
but it does work now for many scenarios.
Signed-off-by: Edgar Gabriel <egabriel@central.uh.edu>
introduce separate convertors for memory vs. file representation. Adjust the interfaces for decode_datatype to provide the convertor to be used for that.
Signed-off-by: Edgar Gabriel <egabriel@central.uh.edu>
the infrastructure put in place to manage cuda buffers is actually
a lot more generic than just for cuda buffers. Specifically, we ca
reuse much of the code to implement the external32 data representation.
This commit converts the code from common_ompio_cuda* to
common_ompio_buffer*. There are just very few places where we actually need to keep the OPAL_CUDA_SUPPORT ifdef in place.
Signed-off-by: Edgar Gabriel <egabriel@central.uh.edu>
