This commit contains the following changes:
The C++ bindings were removed from the standard in MPI-3.0. This
commit removes the entirety of the C++ bindings as well as the
support configury.
Removes all references to C++ from the man pages. This includes the
bindings themselves, all references to what C++ bindings return,
all not-available comments, and differences between C++ and other
language bindings.
If the user passes --enable-mpi-cxx, --enable-mpi-cxx-seek, or
--enable-cxx-exceptions, print a warning message an abort configure.
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
Signed-off-by: Nathan Hjelm <hjelmn@google.com>
This commit DELETES the removed MPI1 functions and datatypes from
both the mpi.h header and from the library (they were deleted from the
MPI standard in MPI-3.0).
WARNING: This changes the MPI API in a non-backwards compatible way.
This also removes the configure option that was added in Open
MPI v4.0.x, requiring users to change their apps if they are
using any of these almost 20 year old APIs.
This commit removes the following MPI1 removed functions and datatypes:
MPI_Address
MPI_Errhandler_create
MPI_Errhandler_get
MPI_Errhandler_set
MPI_Type_extent
MPI_Type_hindexed
MPI_Type_hvector
MPI_Type_struct
MPI_Type_UB
MPI_Type_LB
Signed-off-by: Geoffrey Paulsen <gpaulsen@us.ibm.com>
Refs https://github.com/open-mpi/ompi/issues/6278.
This commit is intended to be cherry-picked to v4.0.x and
the following commit will ammend to this functionality for
master's removal.
Changes the prototypes for MPI removed functions in the
following ways:
There are 4 cases:
1) User wants MPI-1 compatibility (--enable-mpi1-compatibility)
MPI_Address (and friends) are declared in mpi.h with
deprecation notice
2) User does not want MPI-1 compatibility, and has a C11-capable
compiler
Declare an MPI_Address (etc.) macro in mpi.h, which will
cause a compile-time error using _Static_assert C11 feature
3) User does not want MPI-1 compatibility, and does not have a
C11-capable compiler, but the compiler supports error function
attributes.
Declare an MPI_Address (etc.) macro in mpi.h, which will
cause a compile-time error using error function attribute.
4) User does not want MPI-1 compatibility, and does not have a
C11-capable compiler, or a compiler that supports error
function attributes.
Do not declare MPI_Address (etc.) in mpi.h at all.
Unless the user is compiling with something like -Werror,
this will allow the user's code to compile. We are
choosing this because it seems like a losing battle to
make some kind of compile time error that is friendly to
the user (and doesn't make it look like mpi.h itself is broken).
On v4.0.x, this will allow the user code to both compile
(albeit with a warning) and link (because the MPI_Address
will be in the MPI library because we are preserving ABI
back to 3.0.x).
On master/v5.0.x, this will allow the user code to compile,
but it will fail to link (because the MPI_Address symbol will
not be in the MPI library).
Signed-off-by: Geoffrey Paulsen <gpaulsen@us.ibm.com>
... and add `MPI_COMPLEX4`.
This commit changes values of existing `OMPI_DATATYPE_MPI_*` macros.
This change does not affect ABI compatibility of `libmpi.so` and the
like because these values are only used in OMPI internal code.
On the other hand, `ompi_datatype_t::id` values of existing datatypes
are not changed and 73 is newly assigned to for `MPI_COMPLEX4` to
retain ABI compatibility.
Signed-off-by: KAWASHIMA Takahiro <t-kawashima@jp.fujitsu.com>
When compiling mpi.h with a modern C++ compiler and a high degree of
pickyness (e.g., -Wold-style-cast), casting using (void*) in the
OMPI_PREDEFINED_GLOBAL and MPI_STATUS*_IGNORE macros will emit
warnings. So if we're compiling with a C++ compiler, use C++'s
static_cast<> instead of (void*).
Thanks to @shadow-fax for identifying the issue.
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
This is a holdover from LAM/MPI that was never implemented here in
Open MPI (and never will be). Might as well remove this dead code.
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
Commit 89da9651b inadvertantly #if'ed out both deprecated *and*
removed items from mpi.h. The intent was only to #if out items that
have been *removed* from the MPI specification and leave all items
that are merely deprecated.
This commit also re-orders the deleted typedef+functions to be in the
same order as they are listed in MPI-3.1 chapter 17, just to make
verifying/checking the code easier.
Note that --enable-mpi1-compatibility can still be used to restore
prototypes for the items that have been removed from the MPI
specification (e.g., MPI_Address()).
Signed-off-by: Geoffrey Paulsen <gpaulsen@us.ibm.com>
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
While we require C99 to build Open MPI, we do not require C99 to build
user MPI applications. As such, we shouldn't have C99-style comments
(i.e., "//"-style) in mpi.h.in.
Thanks to @AdamSimpson for reporting the issue.
This commit simply converts a //-style comment to a /**/-style
comment. No code or logic changes.
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
When --enable-mpi1-compatibility was specified, the ompi_mpi_ub/lb
symbols were #if'ed out of mpi.h. But the #defines for MPI_UB/LB
still remained. This commit also #if's out the MPI_UB/LB macros when
--enable-mpi1-compatibility is specified.
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
The old/deprecated form of the file errhandler typedef used "fn" as a
suffix. The new form uses the name "function".
The MPI API typedef name has already been updated to use "function";
this commit updates the internal Open MPI typedef to use the name
"function" to match the MPI API name and avoid confusion.
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
Intentionally do not mark some MPI-1 function pointer typedefs as
`__mpi_interface_removed__` because we have to use them in prototyping
some MPI-1 functions when `--enable-mpi1-compatibility` is used.
Fixes#5357.
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
so latest ROM-IO can be used with Open MPI.
Note this first and naive implementation does not use the wait_fn callback.
Signed-off-by: Gilles Gouaillardet <gilles@rist.or.jp>
This commit adds a new configure option: --enable-mpi1-compat. Without
this option we will no longer provide APIs, typedefs, and defines that
were removed from the standard in MPI-3.0. This option will exist for
one major release (Open MPI v4.x.x) and then the option and associated
code will be removed in Open MPI v5.x.x. Open MPI has already
internally prepared for this change. Please prepare your codes
accordingly.
Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
since Open MPI now requires a C99, and ptrdiff_t type is part of C99,
there is no more need for the abstract OPAL_PTRDIFF_TYPE type.
Signed-off-by: Gilles Gouaillardet <gilles@rist.or.jp>
This commit add the following Fortran named constants which are
defined in the MPI standard but are missing in Open MPI.
- `MPI_LONG_LONG` (defined as a synonym of `MPI_LONG_LONG_INT`)
- `MPI_CXX_FLOAT_COMPLEX`
- `MPI_C_BOOL`
And this commit also changes the value of the following Fortran
named constant for consistency.
- `MPI_C_COMPLEX`
`(MPI_C_FLOAT_COMPLEX` is defined as a synonym of this)
Each needs a different solution described below.
For `MPI_LONG_LONG`:
The value of `MPI_LONG_LONG` is defined to have a same value
as `MPI_LONG_LONG_INT` because of the following reasons.
1. It is defined as a synonym of `MPI_LONG_LONG_INT` in
the MPI standard.
2. `MPI_LONG_LONG_INT` and `MPI_LONG_LONG` has a same value
for C in `mpi.h`.
3. `ompi_mpi_long_long` is not defined in
`ompi/datatype/ompi_datatype_module.c`.
For `MPI_CXX_FLOAT_COMPLEX`:
Existing `MPI_CXX_COMPLEX` is replaced with `MPI_CXX_FLOAT_COMPLEX`
bacause `MPI_CXX_FLOAT_COMPLEX` is the right name defined in MPI-3.1
and `MPI_CXX_COMPLEX` is not defined in MPI-3.1 (nor older).
But for compatibility, `MPI_CXX_COMPLEX` is treated as a synonym
of `MPI_CXX_FLOAT_COMPLEX` on Open MPI.
For `MPI_C_BOOL`:
`MPI_C_BOOL` is newly added. The value which `MPI_C_COMPLEX` had
used (68) is assinged for it because the value becomes no longer
in use (described later) and it is a suited position as a datatype
added on MPI-2.2.
For `MPI_C_COMPLEX`:
Existing `MPI_C_FLOAT_COMPLEX` is replaced with `MPI_C_COMPLEX`
and `MPI_C_FLOAT_COMPLEX` is changed to have the same value.
In other words, make `MPI_C_COMPLEX` the canonical name and
make `MPI_C_FLOAT_COMPLEX` an alias of it.
This is bacause the relation of these datatypes is same as
the relation of `MPI_LONG_LONG_INT` and `MPI_LONG_LONG`, and
`MPI_LONG_LONG_INT` and `MPI_LONG_LONG` are implemented like that.
But in the datatype engine, we use `ompi_mpi_c_float_complex`
instead of `ompi_mpi_c_complex` as a variable name to keep
the consistency with the other similar types such as
`ompi_mpi_c_double_complex` (see George's comment in open-mpi/ompi#1927).
We don't delete `ompi_mpi_c_complex` now because it is used in
some other places in Open MPI code. It may be cleand up in the future.
In addition, `MPI_CXX_COMPLEX`, which was defined only in the Open MPI
Fortran binding, is added to `mpi.h` for the C binding.
This commit breaks binary compatibility of Fortran `MPI_C_COMPLEX`.
When this commit is merged into v2.x branch, the change of
`MPI_C_COMPLEX` should be excluded.
- MPI_Compare_and_swap
- MPI_Fetch_and_op
- MPI_Raccumulate
- MPI_Win_detach
Thanks to Michael Knobloch and Takahiro Kawashima for bringing this
to our attention
The definition of MPI_T_pvar_get_index was incorrect. This commit
fixes the definition and adds a missing return code.
Signed-off-by: Nathan Hjelm <hjelmn@me.com>
This commit adds support for MPI_Aint_add and MPI_Aint_diff. These
functions are implemented as macros in C (explicitly allowed by
MPI-3.1). The fortran implementations are a similar mess to the
MPI_Wtime implementations.
Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
Using the underlying hardware identification to split
communicators based on locality has been enabled using
the MPI_Comm_Split_Type function.
Currently implemented split's are:
HWTHREAD
CORE
L1CACHE
L2CACHE
L3CACHE
SOCKET
NUMA
NODE
BOARD
HOST
CU
CLUSTER
However only NODE is defined in the standard which is why the
remaning splits are referred to using the OMPI_ prefix instead
of the standard MPI_ prefix.
I have tested this using --without-hwloc and --with-hwloc=<path>
which both give the same output.
NOTE: I think something fishy is going on in the locality operators.
In my test-program I couldn't get the correct split on these requests:
NUMA, SOCKET, L3CACHE
where I suspected a full communicator but only got one.
See https://svn.mpi-forum.org/trac/mpi-forum-web/ticket/377
This ticket adds the following functions to the standard:
- MPI_T_cvar_get_index, MPI_T_pvar_get_index, and MPI_T_category_get_index
The ticket has passed and the functions are part of MPI-3.1 that will
be released sometime later this year. In Open MPI the functions expose
existing internal functionality so they are low-risk to add to 1.8.0. I
will leave it up to Ralph whether he wants to accept these into 1.8.
cmr=v1.8:reviewer=rhc
This commit was SVN r31037.
